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Milton JP, Milanowski A, Andersson M, Gryko D. Photochemical cyclopropanation in aqueous micellar media - experimental and theoretical studies. Chem Commun (Camb) 2024; 60:4483-4486. [PMID: 38564316 DOI: 10.1039/d4cc00828f] [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: 04/04/2024]
Abstract
While in nature, reactions occur in water-based confined compartments, for a long time, water has been often regarded as an unsuitable medium for organic reactions. We have, however, found that photochemical cyclopropanation of styrenes with diazo compounds or their precursors can be performed in micellar systems. COSMO-RS studies revealed that the reactivity correlates with the predicted critical micelle concentration (CMC), with higher CMC values delivering higher yields.
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Affiliation(s)
- Joseph P Milton
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw 01-224, Poland.
| | - Adam Milanowski
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw 01-224, Poland.
- Department of Chemistry, Warsaw University of Technology, Noakowskiego 3, Warsaw 00-664, Poland
| | - Martin Andersson
- Center for Integrative Petroleum Research, King Fahd University of Petroleum and Minerals, Dhahran 31261, Kingdom of Saudi Arabia.
| | - Dorota Gryko
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw 01-224, Poland.
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Ma X, Beard AM, Burgess SA, Darlak M, Newman JA, Nogle LM, Pietrafitta MJ, Smith DA, Wang X, Yue L. General Synthesis of Conformationally Constrained Noncanonical Amino Acids with C( sp3)-Rich Benzene Bioisosteres. J Org Chem 2024; 89:5010-5018. [PMID: 38532573 DOI: 10.1021/acs.joc.4c00225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
Abstract
Recent years have seen novel modalities emerge for the treatment of human diseases resulting in an increase in beyond rule of 5 (bRo5) chemical matter. As a result, synthetic innovations aiming to enable rapid access to complex bRo5 molecular entities have become increasingly valuable for medicinal chemists' toolkits. Herein, we report the general synthesis of a new class of noncanonical amino acids (ncAA) with a cyclopropyl backbone to achieve conformational constraint and bearing C(sp3)-rich benzene bioisosteres. We also demonstrate preliminary studies toward utilities of these ncAA as building blocks for medicinal chemistry research.
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Affiliation(s)
- Xiaoshen Ma
- Department of Discovery Chemistry, Merck & Co., Inc., 33 Ave. Louis Pasteur, Boston, Massachusetts 02215, United States
| | - Adam M Beard
- Department of Discovery Chemistry, Merck & Co., Inc., 33 Ave. Louis Pasteur, Boston, Massachusetts 02215, United States
| | - Samantha A Burgess
- Analytical Research & Development, Merck & Co., Inc., 33 Ave. Louis Pasteur, Boston, Massachusetts 02215, United States
| | - Miroslawa Darlak
- Department of Discovery Chemistry, Merck & Co., Inc., 33 Ave. Louis Pasteur, Boston, Massachusetts 02215, United States
| | - Justin A Newman
- Analytical Research and Development, Merck & Co., Inc., 126 E. Lincoln Ave., Rahway, New Jersey 07065, United States
| | - Lisa M Nogle
- Department of Discovery Chemistry, Merck & Co., Inc., 33 Ave. Louis Pasteur, Boston, Massachusetts 02215, United States
| | - Mark J Pietrafitta
- Department of Discovery Chemistry, Merck & Co., Inc., 33 Ave. Louis Pasteur, Boston, Massachusetts 02215, United States
| | - David A Smith
- Department of Discovery Chemistry, Merck & Co., Inc., 33 Ave. Louis Pasteur, Boston, Massachusetts 02215, United States
| | - Xiao Wang
- Analytical Research and Development, Merck & Co., Inc., 126 E. Lincoln Ave., Rahway, New Jersey 07065, United States
| | - Lei Yue
- Department of Discovery Chemistry, Merck & Co., Inc., 33 Ave. Louis Pasteur, Boston, Massachusetts 02215, United States
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Simões MMQ, Cavaleiro JAS, Ferreira VF. Recent Synthetic Advances on the Use of Diazo Compounds Catalyzed by Metalloporphyrins. Molecules 2023; 28:6683. [PMID: 37764459 PMCID: PMC10537418 DOI: 10.3390/molecules28186683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 09/12/2023] [Accepted: 09/15/2023] [Indexed: 09/29/2023] Open
Abstract
Diazo compounds are organic substances that are often used as precursors in organic synthesis like cyclization reactions, olefinations, cyclopropanations, cyclopropenations, rearrangements, and carbene or metallocarbene insertions into C-H, N-H, O-H, S-H, and Si-H bonds. Typically, reactions from diazo compounds are catalyzed by transition metals with various ligands that modulate the capacity and selectivity of the catalyst. These ligands can modify and enhance chemoselectivity in the substrate, regioselectivity and enantioselectivity by reflecting these preferences in the products. Porphyrins have been used as catalysts in several important reactions for organic synthesis and also in several medicinal applications. In the chemistry of diazo compounds, porphyrins are very efficient as catalysts when complexed with low-cost metals (e.g., Fe and Co) and, therefore, in recent years, this has been the subject of significant research. This review will summarize the advances in the studies involving the field of diazo compounds catalyzed by metalloporphyrins (M-Porph, M = Fe, Ru, Os, Co, Rh, Ir) in the last five years to provide a clear overview and possible opportunities for future applications. Also, at the end of this review, the properties of artificial metalloenzymes and hemoproteins as biocatalysts for a broad range of applications, namely those concerning carbene-transfer reactions, will be considered.
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Affiliation(s)
- Mário M. Q. Simões
- Department of Chemistry & LAQV-REQUIMTE, University of Aveiro, 3810-193 Aveiro, Portugal; (M.M.Q.S.); (J.A.S.C.)
| | - José A. S. Cavaleiro
- Department of Chemistry & LAQV-REQUIMTE, University of Aveiro, 3810-193 Aveiro, Portugal; (M.M.Q.S.); (J.A.S.C.)
| | - Vitor F. Ferreira
- Departamento de Tecnologia Farmacêutica Química, Universidade Federal Fluminense, Niterói 24241-002, RJ, Brazil
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Shisaka Y, Sakakibara E, Suzuki K, Stanfield JK, Onoda H, Ueda G, Hatano M, Sugimoto H, Shoji O. Tetraphenylporphyrin Enters the Ring: First Example of a Complex Between Highly Bulky Porphyrins and a Protein. Chembiochem 2022; 23:e202200095. [PMID: 35352458 DOI: 10.1002/cbic.202200095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/17/2022] [Indexed: 11/08/2022]
Abstract
Tetraphenylporphyrin (TPP) is a symmetrically substituted synthetic porphyrin whose properties can be readily modified, providing it with significant advantages over naturally occurring porphyrins. Herein, we report the first example of a stable complex between a native biomolecule, the haemoprotein HasA, and TPP as well as its derivatives. The X-ray crystal structures of nine different HasA-TPP complexes were solved at high resolutions. HasA capturing TPP derivatives was also demonstrated to inhibit growth of the opportunistic pathogen Pseudomonas aeruginosa . Mutant variants of HasA binding FeTPP were shown to possess a different mode of coordination, permitting the cyclopropanation of styrene.
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Affiliation(s)
- Yuma Shisaka
- Nagoya University, Chemistry, Furo-cho, Chikusa-ku, 464-8602, Nagoya, JAPAN
| | - Erika Sakakibara
- Nagoya University, Chemistry, Furo-cho, Chikusa-ku, 464-8602, Nagoya, JAPAN
| | - Kazuto Suzuki
- Nagoya University, Chemistry, Furo-cho, Chikusa-ku, 464-8602, Nagoya, JAPAN
| | | | - Hiroki Onoda
- Nagoya University, Chemistry, Furo-cho, Chikusa-ku, 464-8602, Nagoya, JAPAN
| | - Garyo Ueda
- Nagoya University, Chemistry, Furo-cho, Chikusa-ku, 464-8602, Nagoya, JAPAN
| | - Miu Hatano
- Nagoya University, Chemistry, Furo-cho, Chikusa-ku, 464-8602, Nagoya, JAPAN
| | - Hiroshi Sugimoto
- RIKEN: Rikagaku Kenkyujo, SPring-8 Centre, 1-1-1 Kouto, 679-5148, Sayo, JAPAN
| | - Osami Shoji
- Nagoya University, Graduate School of Science, Furo, Chikusa,, 464-8602, Nagoya, JAPAN
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Lisuzzo L, Cavallaro G, Milioto S, Lazzara G. Halloysite nanotubes as nanoreactors for heterogeneous micellar catalysis. J Colloid Interface Sci 2022; 608:424-434. [PMID: 34626986 DOI: 10.1016/j.jcis.2021.09.146] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [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: 07/01/2021] [Revised: 09/22/2021] [Accepted: 09/23/2021] [Indexed: 02/08/2023]
Abstract
HYPOTHESIS Electrostatic attractions between the anionic head group of sodium alkylsulphates and the positively charged inner surface of halloysite nanotubes (HNTs) drive to the formation of tubular inorganic micelles, which might be employed as nanoreactors for the confinement of non polar compounds in aqueous media. On this basis, sodium alkylsulphates/halloysite hybrids could be efficient nanocatalysts for organic reactions occurring in water. EXPERIMENTS Sodium decylsulphate (NaDeS) and sodium dodecylsulphate (NaDS) were selected for the functionalization of the halloysite cavity. The composition, the structure and the surface charge properties of the hybrid nanotubes were determined. The actual formation of inorganic micelles was explored by studying the microviscosity and polarity characteristics of the surfactant modified nanotubes through fluorescence spectroscopy experiments using DiPyme as probe. The performances of the sodium alkylsulphates/halloysite composites as micellar catalysts for the Belousov-Zhabotinsky (BZ) reaction were investigated. FINDINGS The halloysite functionalization with sodium alkylsulphates generated the formation of hydrophobic microdomains with an enhanced microviscosity. Compared to the surfactant conventional micelles, the functionalized nanotubes induced larger enhancements on the rate constant of the BZ reaction. This is the first report on the surfactant/halloysite hybrids showing their efficiencies as reusable nanocatalysts, which are dependent on their peculiar microviscosity and polarity properties.
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Affiliation(s)
- Lorenzo Lisuzzo
- Dipartimento di Fisica e Chimica, Università degli Studi di Palermo, Viale delle Scienze, pad. 17, Palermo 90128, Italy
| | - Giuseppe Cavallaro
- Dipartimento di Fisica e Chimica, Università degli Studi di Palermo, Viale delle Scienze, pad. 17, Palermo 90128, Italy.
| | - Stefana Milioto
- Dipartimento di Fisica e Chimica, Università degli Studi di Palermo, Viale delle Scienze, pad. 17, Palermo 90128, Italy
| | - Giuseppe Lazzara
- Dipartimento di Fisica e Chimica, Università degli Studi di Palermo, Viale delle Scienze, pad. 17, Palermo 90128, Italy
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Roelfes G. Repurposed and artificial heme enzymes for cyclopropanation reactions. J Inorg Biochem 2021; 222:111523. [PMID: 34217039 DOI: 10.1016/j.jinorgbio.2021.111523] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 06/10/2021] [Accepted: 06/16/2021] [Indexed: 10/21/2022]
Abstract
Heme enzymes are some of the most versatile catalysts in nature. In recent years it has been found that they can also catalyze reactions for which there are no equivalents in nature. This development has been driven by the abiological catalytic reactivity reported for bio-inspired and biomimetic iron porphyrin complexes. This review focuss es on heme enzymes for catalysis of cyclopropanation reactions. The two most important approaches used to create enzymes for cyclopropanation are repurposing of heme enzymes and the various strategies used to improve these enzymes such as mutagenesis and heme replacement, and artificial heme enzymes. These strategies are introduced and compared. Moreover, lessons learned with regard to mechanism and design principles are discussed.
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Affiliation(s)
- Gerard Roelfes
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747, AG, Groningen, the Netherlands.
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Abstract
Herein, we report a novel methodology to access N-aryl proline derivatives using amino-tethered α-diazoesters and cheap, readily available iron salts. Mechanistically, the aminocyclization reaction involves the initial formation of an iron-carbene complex followed by a nucleophilic attack of the aniline nitrogen atom to give an ammonium ylide intermediate, which finally undergoes the iron-promoted dealkylation.
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Affiliation(s)
- Daniel Solé
- Laboratori de Química Orgànica, Facultat de Farmàcia i Ciències de l'Alimentació, Universitat de Barcelona, Av. Joan XXIII 27-31, 08028 Barcelona, Spain.
| | - Arianna Amenta
- Laboratori de Química Orgànica, Facultat de Farmàcia i Ciències de l'Alimentació, Universitat de Barcelona, Av. Joan XXIII 27-31, 08028 Barcelona, Spain.
| | - Cristina Campos
- Laboratori de Química Orgànica, Facultat de Farmàcia i Ciències de l'Alimentació, Universitat de Barcelona, Av. Joan XXIII 27-31, 08028 Barcelona, Spain.
| | - Israel Fernández
- Departamento de Química Orgánica I and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Facultad de Ciencias Químicas, Universidad Complutense de Madrid, 28040 Madrid, Spain.
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Mamardashvili G, Kaigorodova E, Dmitrieva O, Koifman O, Mamardashvili N. Molecular Recognition of Imidazole Derivatives by Co(III)-Porphyrinsin Phosphate Buffer (pH = 7.4) and Cetylpyridinium Chloride Containing Solutions. Molecules 2021; 26:molecules26040868. [PMID: 33562133 PMCID: PMC7915429 DOI: 10.3390/molecules26040868] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [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: 01/03/2021] [Revised: 01/27/2021] [Accepted: 02/02/2021] [Indexed: 02/05/2023] Open
Abstract
Bymeans of spectrophotometric titration and NMR spectroscopy, the selective binding ability ofthe Co(III)-5,15-bis-(3-hydroxyphenyl)-10,20-bis-(4-sulfophenyl)porphyrin (Со(III)Р1) andCo(III)-5,15-bis-(2-hydroxyphenyl)-10,20-bis-(4-sulfophenyl)porphyrin (Со(III)Р2) towards imidazole derivatives of various nature (imidazole (L1), metronidazole (L2), and histamine (L3)) in phosphate buffer (pH 7.4) has been studied. It was found that in the case of L2, L3 the binding of the "first" ligand molecule by porphyrinatesCo(III)P1 and Co(III)P2 occurs with the formation of complexes with two binding sites (donor-acceptor bond at the center and hydrogen bond at the periphery of the macrocycle), while the "second" ligand molecule is added to the metalloporphyrin only due to the formation of the donor-acceptor bond at the macrocycle coordination center. The formation of stable complexes with two binding sites has been confirmed by density functional theory method (DFT) quantum chemical calculations and two-dimensional NMR experiments. It was shown that among the studied porphyrinates, Co(III)P2 is more selective towards to L1-L3 ligands, and localization of cobalt porphyrinates in cetylpyridinium chloride (CPC) micelles does not prevent the studied imidazole derivatives reversible binding. The obtained materials can be used to develop effective receptors for recognition, delivery, and prolonged release of drug compounds to the sites of their functioning. Considering that cetylpyridinium chloride is a widely used cationic biocide as a disinfectant, the designed materials may also prove to be effective antimicrobial agents.
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Shen T, Zhou S, Ruan J, Chen X, Liu X, Ge X, Qian C. Recent advances on micellar catalysis in water. Adv Colloid Interface Sci 2021; 287:102299. [PMID: 33321331 DOI: 10.1016/j.cis.2020.102299] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 10/19/2020] [Accepted: 10/23/2020] [Indexed: 01/29/2023]
Abstract
Water is the universal solvent in nature to catalyze the biological transformation processes. However, owing to the immiscibility of many reagents in water, synthesis chemistry relies heavily on organic solvent. Micellar media is a green alternative to traditional petroleum feedstock derived solvents, which is recently attracting increasing research attention. The present review deals with the recent advances in micellar catalysis with an emphasis on the new "tailor-made" surfactants for various reactions. A brief overview of commercial surfactants, including anionic micelles, cationic micelles, and nonionic micelles is presented. More importantly, an attempt was made to discuss systematically the recent research progress on new surfactants by introducing structures, micellar effects and recycling process, aiming to serve as the basis for future development of surfactants.
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Affiliation(s)
- Vasco F. Batista
- LAQV-REQUIMTE and Department of Chemistry, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal
| | - Diana C. G. A. Pinto
- LAQV-REQUIMTE and Department of Chemistry, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal
| | - Artur M. S. Silva
- LAQV-REQUIMTE and Department of Chemistry, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal
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Abstract
This review provides an overview of the catalytic activity of iron complexes of nitrogen ligands in driving carbene transfers towards CC, C–H and X–H bonds. The reactivity of diazo reagents is discussed as well as the proposed reaction mechanisms.
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Affiliation(s)
| | - Paolo Sonzini
- Department of Chemistry
- University of Milan
- 20133 Milan
- Italy
| | - Emma Gallo
- Department of Chemistry
- University of Milan
- 20133 Milan
- Italy
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