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Mirzaii M, Yaeghoobi M, Afzali M, Amirkhalili N, Mahmoodi M, Sajirani EB. Antifungal activities of quince seed mucilage hydrogel decorated with essential oils of Nigella sativa, Citrus sinensis and Cinnamon verum. Iran J Microbiol 2021; 13:352-359. [PMID: 34540174 PMCID: PMC8416591 DOI: 10.18502/ijm.v13i3.6398] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Background and Objectives: Candidiasis and pityriasis versicolor are opportunistic fungal infections that are caused by Candida spp. and Malassezia spp. yeasts. Conventional drugs like azole and amino derivatives are known to treat fungal skin diseases. However, drawbacks like long-term side effects and drug resistance lead to investigate on antifungal properties of phytochemicals as an alternative to available synthetic drugs. Materials and Methods: The herbal nano hydrogel was successfully synthesized from Quince Seed extract followed by ultrasonic treatment and it has been formulated using a mixture of essential oils. We evaluated the antifungal in vitro assay for a mixture of essential oils in combination with herbal nano hydrogel against Candida albicans and Malasezia furfur strains by micro dilution method. Results: The results indicated that essential oils possess antifungal activity with the MIC value of 12.5 and 6.24 mg/ml against C. albicans and M. furfur, respectively. No fungicidal effect was reported for the herbal hydrogel before nanofabrication while it shown some antifungal activity after ultrasonic treatment for 5 and 10 minutes. As anticipated; the antifungal property of essential oil mixture was appreciably improved when it combined with herbal nano hydrogel where the highest level of inhibition was observed at concentration of 3.125 mg/ml for both strains. The loss in biological activity observed when the ultrasonic treatment on herbal nano hydrogel performed for longer time. Conclusion: The proposed plant-based nano formulation shown promising in vitro antifungal activities against C. albicans and M. furfur strains and its antifungal properties were comparable with commercially available agents like clotrimazole. The new formulation expected to be safe with minimum long-term side effects. Further investigations are underway to confirm the safety and the mechanism of the action of this new herbal formulation.
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Affiliation(s)
- Mehdi Mirzaii
- Department of Microbiology, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran
| | - Marzieh Yaeghoobi
- Department of Microbiology, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran
| | - Meysam Afzali
- Department of Microbiology, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran
| | - Neginsadat Amirkhalili
- Young and Elite Research Club, Tehran North Branch, Islamic Azad University, Tehran, Iran
| | - Majid Mahmoodi
- Department of Microbiology, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran
| | - Esmaeil Babakhanzadeh Sajirani
- Department of Horticulture Crops Research, Horticultural Sciences Research Institute, Agricultural and Natural Resources Research Center of Semnan Province, Shahrood, Iran
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Chee C, Thy C, Murthy S, Lee Y, Yaeghoobi M, Rahman N. A Simple Aluminum Bromide-Promoted Diastereoselective Synthesis of Panduratin A Derivatives. Synlett 2018. [DOI: 10.1055/s-0036-1591561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
A facile diastereoselective synthesis of panduratin A derivatives using commercially available aluminum(III) bromide is reported. The effect of substituents on the Diels–Alder reaction of various trans-chalcones with (E)-ocimene was investigated. A series of panduratin A derivatives were prepared in moderate to good yields.
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Affiliation(s)
- Chin Chee
- Nanotechnology and Catalysis Research Centre
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Sakirolla R, Tadiparthi K, Yaeghoobi M, Rahman NA. Di-cationic Ionic Liquid Catalyzed Synthesis of 1,5-Benzothiazepines. Asian J Chem 2018; 30:107-115. [DOI: 10.14233/ajchem.2018.20920] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Frimayanti N, Iskandar B, Yaeghoobi M, Han HC, M. Zain S, Yusof R, Rahman NA. Docking, synthesis and bioassay studies of imine derivatives as potential inhibitors for dengue NS2B/ NS3 serine protease. APJTD 2017. [DOI: 10.12980/apjtd.7.2017d7-177] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Yaeghoobi M, Frimayanti N, Chee CF, Ikram KK, Najjar BO, Zain SM, Abdullah Z, Wahab HA, Rahman NA. QSAR, in silico docking and in vitro evaluation of chalcone derivatives as potential inhibitors for H1N1 virus neuraminidase. Med Chem Res 2016. [DOI: 10.1007/s00044-016-1636-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Yehye WA, Abdul Rahman N, Saad O, Ariffin A, Abd Hamid SB, Alhadi AA, Kadir FA, Yaeghoobi M, Matlob AA. Rational Design and Synthesis of New, High Efficiency, Multipotent Schiff Base-1,2,4-triazole Antioxidants Bearing Butylated Hydroxytoluene Moieties. Molecules 2016; 21:E847. [PMID: 27367658 PMCID: PMC6273539 DOI: 10.3390/molecules21070847] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2016] [Revised: 06/22/2016] [Accepted: 06/24/2016] [Indexed: 11/16/2022] Open
Abstract
A new series of multipotent antioxidants (MPAOs), namely Schiff base-1,2,4-triazoles attached to the oxygen-derived free radical scavenging moiety butylated hydroxytoluene (BHT) were designed and subsequently synthesized. The structure-activity relationship (SAR) of the designed antioxidants was established alongside the prediction of activity spectra for substances (PASS). The antioxidant activities of the synthesized compounds 4-10 were tested by the DPPH bioassay. The synthesized compounds 4-10 inhibited stable DPPH free radicals at a level that is 10(-4) M more than the well-known standard antioxidant BHT. Compounds 8-10 with para-substituents were less active than compounds 4 and 5 with trimethoxy substituents compared to those with a second BHT moiety (compounds 6 and 7). With an IC50 of 46.13 ± 0.31 µM, compound 6 exhibited the most promising in vitro inhibition at 89%. Therefore, novel MPAOs containing active triazole rings, thioethers, Schiff bases, and BHT moieties are suggested as potential antioxidants for inhibiting oxidative stress processes and scavenging free radicals, hence, this combination of functions is anticipated to play a vital role in repairing cellular damage, preventing various human diseases and in medical therapeutic applications.
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Affiliation(s)
- Wageeh A Yehye
- Nanotechnology & Catalysis Research Centre (NANOCAT), University of Malaya, Block 3A, Institute of Postgraduate Studies Building, Kuala Lumpur 50603, Malaysia.
| | - Noorsaadah Abdul Rahman
- Department of Chemistry, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia.
- Drug Design and Development Research Group, Department of Chemistry, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia.
| | - Omar Saad
- Department of Pharmacy, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia.
| | - Azhar Ariffin
- Department of Chemistry, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia.
| | - Sharifah Bee Abd Hamid
- Nanotechnology & Catalysis Research Centre (NANOCAT), University of Malaya, Block 3A, Institute of Postgraduate Studies Building, Kuala Lumpur 50603, Malaysia.
| | - Abeer A Alhadi
- Department of Chemistry, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia.
- Drug Design and Development Research Group, Department of Chemistry, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia.
| | - Farkaad A Kadir
- Division of Human Biology, School of Medicine, International Medical University, Kuala Lumpur 57000, Malaysia.
| | - Marzieh Yaeghoobi
- Department of Chemistry, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia.
- Drug Design and Development Research Group, Department of Chemistry, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia.
| | - Abdulsalam A Matlob
- Department of Environmental Technology, College of Environment, Mosul University, Mosul 41001, Iraq.
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Tee JT, Yaeghoobi M, Chee CF, Rahman NA. ChemInform Abstract: Efficient One-Pot Synthesis of 2,2-Dimethyl-2H-chromenes via Pd(II)-Catalyzed Coupling and SiO 2-Promoted Condensation of o-Halophenols with 2-Methyl-3-buten-2-ol. ChemInform 2015; 46:no-no. [DOI: 10.1002/chin.201549143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Yehye WA, Rahman NA, Ariffin A, Abd Hamid SB, Alhadi AA, Kadir FA, Yaeghoobi M. ChemInform Abstract: Understanding the Chemistry Behind the Antioxidant Activities of Butylated Hydroxytoluene (BHT): A Review. ChemInform 2015; 46:no-no. [DOI: 10.1002/chin.201541253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Tee JT, Yaeghoobi M, Chee CF, Rahman NA. Efficient One-Pot Synthesis of 2,2-Dimethyl-2 H-chromenes via Pd(II)-Catalyzed Coupling and SiO 2-Promoted Condensation of o-Halophenols with 2-Methyl-3-buten-2-ol. SYNTHETIC COMMUN 2015. [DOI: 10.1080/00397911.2015.1056371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Jia Ti Tee
- Department of Chemistry, University of Malaya, Kuala Lumpur, Malaysia
| | - Marzieh Yaeghoobi
- Department of Chemistry, University of Malaya, Kuala Lumpur, Malaysia
| | - Chin Fei Chee
- Department of Chemistry, University of Malaya, Kuala Lumpur, Malaysia
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Yehye WA, Rahman NA, Ariffin A, Abd Hamid SB, Alhadi AA, Kadir FA, Yaeghoobi M. Understanding the chemistry behind the antioxidant activities of butylated hydroxytoluene (BHT): a review. Eur J Med Chem 2015; 101:295-312. [PMID: 26150290 DOI: 10.1016/j.ejmech.2015.06.026] [Citation(s) in RCA: 208] [Impact Index Per Article: 23.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2015] [Revised: 06/08/2015] [Accepted: 06/09/2015] [Indexed: 11/17/2022]
Abstract
Hindered phenols find a wide variety of applications across many different industry sectors. Butylated hydroxytoluene (BHT) is a most commonly used antioxidant recognized as safe for use in foods containing fats, pharmaceuticals, petroleum products, rubber and oil industries. In the past two decades, there has been growing interest in finding novel antioxidants to meet the requirements of these industries. To accelerate the antioxidant discovery process, researchers have designed and synthesized a series of BHT derivatives targeting to improve its antioxidant properties to be having a wide range of antioxidant activities markedly enhanced radical scavenging ability and other physical properties. Accordingly, some structure-activity relationships and rational design strategies for antioxidants based on BHT structure have been suggested and applied in practice. We have identified 14 very sensitive parameters, which may play a major role on the antioxidant performance of BHT. In this review, we attempt to summarize the current knowledge on this topic, which is of significance in selecting and designing novel antioxidants using a well-known antioxidant BHT as a building-block molecule. Our strategy involved investigation on understanding the chemistry behind the antioxidant activities of BHT, whether through hydrogen or electron transfer mechanism to enable promising anti-oxidant candidates to be synthesized.
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Affiliation(s)
- Wageeh A Yehye
- Nanotechnology & Catalysis Research Centre, (NANOCAT), University of Malaya, Block 3A, Institute of Postgraduate Studies Building, 50603 Kuala Lumpur, Malaysia.
| | - Noorsaadah Abdul Rahman
- Department of Chemistry, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
| | - Azhar Ariffin
- Department of Chemistry, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
| | - Sharifah Bee Abd Hamid
- Nanotechnology & Catalysis Research Centre, (NANOCAT), University of Malaya, Block 3A, Institute of Postgraduate Studies Building, 50603 Kuala Lumpur, Malaysia
| | - Abeer A Alhadi
- Department of Chemistry, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
| | - Farkaad A Kadir
- Division of Human Biology, Faculty of Medicine, International Medical University, 57000 Kuala Lumpur, Malaysia
| | - Marzieh Yaeghoobi
- Drug Design and Development Research Group, Department of Chemistry, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
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Mai CW, Yaeghoobi M, Abd-Rahman N, Kang YB, Pichika MR. Chalcones with electron-withdrawing and electron-donating substituents: anticancer activity against TRAIL resistant cancer cells, structure-activity relationship analysis and regulation of apoptotic proteins. Eur J Med Chem 2014; 77:378-87. [PMID: 24675137 DOI: 10.1016/j.ejmech.2014.03.002] [Citation(s) in RCA: 81] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2013] [Revised: 02/28/2014] [Accepted: 03/02/2014] [Indexed: 02/05/2023]
Abstract
In the present study, a series of 46 chalcones were synthesised and evaluated for antiproliferative activities against the human TRAIL-resistant breast (MCF-7, MDA-MB-231), cervical (HeLa), ovarian (Caov-3), lung (A549), liver (HepG2), colorectal (HT-29), nasopharyngeal (CNE-1), erythromyeloblastoid (K-562) and T-lymphoblastoid (CEM-SS) cancer cells. The chalcone 38 containing an amino (-NH2) group on ring A was the most potent and selective against cancer cells. The effects of the chalcone 38 on regulation of 43 apoptosis-related markers in HT-29 cells were determined. The results showed that 20 apoptotic markers (Bad, Bax, Bcl-2, Bcl-w, Bid, Bim, CD40, Fas, HSP27, IGF-1, IGFBP-4, IGFBP-5, Livin, p21, Survivin, sTNF-R2, TRAIL-R2, XIAP, caspase-3 and caspase-8) were either up regulated or down regulated.
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Affiliation(s)
- Chun Wai Mai
- Department of Pharmaceutical Chemistry, School of Pharmacy, International Medical University, 126, Jalan Jalil Perkasa 19, Bukit Jalil, 57000 Kuala Lumpur, Malaysia
| | - Marzieh Yaeghoobi
- Drug Design and Development Research Group, Department of Chemistry, University of Malaya, Kuala Lumpur, Malaysia
| | - Noorsaadah Abd-Rahman
- Drug Design and Development Research Group, Department of Chemistry, University of Malaya, Kuala Lumpur, Malaysia
| | - Yew Beng Kang
- Department of Pharmaceutical Chemistry, School of Pharmacy, International Medical University, 126, Jalan Jalil Perkasa 19, Bukit Jalil, 57000 Kuala Lumpur, Malaysia
| | - Mallikarjuna Rao Pichika
- Department of Pharmaceutical Chemistry, School of Pharmacy, International Medical University, 126, Jalan Jalil Perkasa 19, Bukit Jalil, 57000 Kuala Lumpur, Malaysia.
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Loghmani-Khouzani H, Tamjidi P, Mohammadpoor-Baltork I, Yaeghoobi M, Rahman NA, Khosropour AR, Moghadam M, Tangestaninejad S, Mirkhani V, Habibi MH, Kashima A, Suzuki T. Efficient and Eco-friendly Syntheses of 1,5-Benzothiazepines and 1,5-Benzodiazepines Catalyzed by [Hmim][NO3] under Mild Conditions. J Heterocycl Chem 2013. [DOI: 10.1002/jhet.1827] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
| | - Panteha Tamjidi
- Catalysis Division, Department of Chemistry; University of Isfahan; Isfahan 81746-73441 Iran
| | | | - Marzieh Yaeghoobi
- Department of Chemistry; University of Malaya; 50603 Kuala Lumpur Malaysia
| | | | - Ahmad Reza Khosropour
- Catalysis Division, Department of Chemistry; University of Isfahan; Isfahan 81746-73441 Iran
| | - Majid Moghadam
- Catalysis Division, Department of Chemistry; University of Isfahan; Isfahan 81746-73441 Iran
| | - Shahram Tangestaninejad
- Catalysis Division, Department of Chemistry; University of Isfahan; Isfahan 81746-73441 Iran
| | - Valiolah Mirkhani
- Catalysis Division, Department of Chemistry; University of Isfahan; Isfahan 81746-73441 Iran
| | - Mohammad Hossein Habibi
- Catalysis Division, Department of Chemistry; University of Isfahan; Isfahan 81746-73441 Iran
| | - Ayana Kashima
- Department of Chemistry, Faculty of Science; Okayama University; Tsushima-naka 3-1-1 Okayama 700-8530 Japan
| | - Takayoshi Suzuki
- Department of Chemistry, Faculty of Science; Okayama University; Tsushima-naka 3-1-1 Okayama 700-8530 Japan
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Sakirolla R, Yaeghoobi M, Rahman NA. ChemInform Abstract: Synthesis of Flavanones, Azaflavanones, and Thioflavanones Catalyzed by PMA-SiO 2as a Mild, Efficient, and Reusable Catalyst. ChemInform 2012; 43:no-no. [DOI: 10.1002/chin.201234134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Sakirolla R, Yaeghoobi M, Abd. Rahman N. Synthesis of flavanones, azaflavanones, and thioflavanones catalyzed by PMA-SiO2 as a mild, efficient, and reusable catalyst. Monatsh Chem 2011. [DOI: 10.1007/s00706-011-0663-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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Yaeghoobi M, Khaledi H, Abdullah Z, Abd Rahman N. 3-(2-Amino-phenyl-sulfanyl)-1,3-diphenyl-propan-1-one. Acta Crystallogr Sect E Struct Rep Online 2011; 67:o1693. [PMID: 21837090 PMCID: PMC3152142 DOI: 10.1107/s1600536811022112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2011] [Accepted: 06/07/2011] [Indexed: 11/24/2022]
Abstract
In the title compound, C21H19NOS, the three aromatic rings are not coplanar, the dihedral angles between them being 84.75 (7), 88.01 (8) and 8.36 (16)°. In the crystal, two types of C—H⋯ π interactions, one of which is weak, and N—H⋯π interactions link the molecules into layers parallel to the ab plane.
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Affiliation(s)
- Marzieh Yaeghoobi
- Department of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia
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Loghmani-Khouzani H, Abdul Rahman N, Robinson WT, Yaeghoobi M, Kia R. (E)-3-(6-Nitro-benzo[d][1,3]dioxol-5-yl)-1-(2,4,6-trimethoxy-phen-yl)prop-2-en-1-one. Acta Crystallogr Sect E Struct Rep Online 2009; 65:o2545. [PMID: 21577987 PMCID: PMC2970272 DOI: 10.1107/s1600536809036435] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2009] [Accepted: 09/09/2009] [Indexed: 11/21/2022]
Abstract
In the mol-ecule of the title compound, C(19)H(17)NO(8), the benzodioxole unit is oriented at a dihedral angle of 61.45 (6)° with respect to the meth-oxy-substituted phenyl ring. The nitro group is not co-planar to the benzene ring to which it is attached, making a dihedral angle of 31.86 (17)°. In the crystal structure, inter-molecular C-H⋯O inter-actions link the mol-ecules into chains through R(2) (2)(8) ring motifs. The π⋯π contacts between the benzodioxole rings, [centroid-centroid distances = 3.7610 (9), 3.6613 (9) and 3.7975 (9) Å] may further stabilize the structure.
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Affiliation(s)
| | | | - Ward T. Robinson
- University of Malaya, Department of Chemistry, 50603, Kuala Lumpur, Malaysia
| | - Marzieh Yaeghoobi
- University of Malaya, Department of Chemistry, 50603, Kuala Lumpur, Malaysia
| | - Reza Kia
- Department of Chemistry, Science and Research Campus, Islamic Azad University, Poonak, Tehran, Iran
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Yaeghoobi M, Rahman NA, Ng SW. 4-Chloro-2-[( E)-2-(4-methoxyphenyl)ethyliminomethyl]phenol. Acta Crystallogr Sect E Struct Rep Online 2009; 65:o1070. [PMID: 21583886 PMCID: PMC2977750 DOI: 10.1107/s1600536809013348] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2009] [Accepted: 04/08/2009] [Indexed: 11/11/2022]
Abstract
In the title Schiff base, C16H16ClNO2, the 2-(4-methoxyphenyl)ethyl (CH3OC6H4CH2CH2–; r.m.s. deviation = 0.10 Å) and 4-chloro-2-(iminomethyl)phenol (N=CHC6H3ClOH; r.m.s. deviation = 0.01 Å) portions are both essentially planar, the two parts being inclined at an angle of 61.8 (1)°. The hydroxy group forms a hydrogen bond to the imino N atom.
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