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Barboza AA, Neto AC, Rosset IG, Jardim GAM, Ferreira MAB. Synthesis of 3-Carbonyl Trisubstituted Furans via Pd-Catalyzed Aerobic Cycloisomerization Reaction: Development and Mechanistic Studies. J Org Chem 2021; 86:3923-3942. [PMID: 33625861 DOI: 10.1021/acs.joc.0c02777] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Herein, we report the synthesis of 3-carbonyl-trisubstituted furans via Pd-catalyzed oxidative cycloisomerization reactions of 2-alkenyl-1,3-dicarbonyl scaffolds, using molecular oxygen as the sole oxidant to regenerate active palladium catalytic species, featuring good functional tolerance and mild reaction conditions. Deep investigation of intermediates and transition states of the reaction mechanism were conducted via experimental and DFT studies, providing a detailed mechanistical profile. The new developed methodology presents a greener alternative to Wacker-type cycloisomerizations and avoids the use of stoichiometric amounts of oxidants and strong acid additives.
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Affiliation(s)
- Amanda A Barboza
- Centre for Excellence for Research in Sustainable Chemistry (CERSusChem), Department of Chemistry, Federal University of São Carlos - UFSCar, Rodovia Washington Luís, km 235, SP-310, São Carlos, São Paulo 13565-905, Brazil
| | - Attilio Chiavegatti Neto
- Centre for Excellence for Research in Sustainable Chemistry (CERSusChem), Department of Chemistry, Federal University of São Carlos - UFSCar, Rodovia Washington Luís, km 235, SP-310, São Carlos, São Paulo 13565-905, Brazil
| | - Isac G Rosset
- Centre for Excellence for Research in Sustainable Chemistry (CERSusChem), Department of Chemistry, Federal University of São Carlos - UFSCar, Rodovia Washington Luís, km 235, SP-310, São Carlos, São Paulo 13565-905, Brazil.,Universidade Federal do Paraná - Departamento de Engenharias e Exatas, Rua Pioneiro, 2153, Jd. Dallas, Palotina, Paraná 85950-000, Brazil
| | - Guilherme A M Jardim
- Centre for Excellence for Research in Sustainable Chemistry (CERSusChem), Department of Chemistry, Federal University of São Carlos - UFSCar, Rodovia Washington Luís, km 235, SP-310, São Carlos, São Paulo 13565-905, Brazil
| | - Marco A B Ferreira
- Centre for Excellence for Research in Sustainable Chemistry (CERSusChem), Department of Chemistry, Federal University of São Carlos - UFSCar, Rodovia Washington Luís, km 235, SP-310, São Carlos, São Paulo 13565-905, Brazil
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Kawamura MY, Talero AG, Santiago JV, Garambel-Vilca E, Rosset IG, Burtoloso ACB. Six-Step Syntheses of (-)-1-Deoxyaltronojirimycin and (+)-1-Deoxymannonojirimycin from N-Z-O-TBDPS-l-serinal. J Org Chem 2016; 81:10569-10575. [PMID: 27501028 DOI: 10.1021/acs.joc.6b01575] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Highly stereoselective six-step syntheses of (-)-1-deoxyaltronojirimycin (altro-DNJ) and (+)-1-deoxymannojirimycin (manno-DNJ) from N-Cbz-O-TBDPS-l-serinal are described. Key transformations involve a two-step preparation of a functionalized dihydropyridin-3-one as a common intermediate followed by Luche reduction and dihydroxylation (for altro-DNJ). The same sequence employing an epoxidation/epoxide opening in place of dihydroxylation furnishes manno-DNJ.
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Affiliation(s)
- Meire Y Kawamura
- Instituto de Química de São Carlos, Universidade de São Paulo , CEP 13560-970, São Carlos, SP, Brazil
| | - Alexánder G Talero
- Instituto de Química de São Carlos, Universidade de São Paulo , CEP 13560-970, São Carlos, SP, Brazil
| | - João V Santiago
- Instituto de Química de São Carlos, Universidade de São Paulo , CEP 13560-970, São Carlos, SP, Brazil
| | - Edson Garambel-Vilca
- Instituto de Química de São Carlos, Universidade de São Paulo , CEP 13560-970, São Carlos, SP, Brazil
| | - Isac G Rosset
- Instituto de Química de São Carlos, Universidade de São Paulo , CEP 13560-970, São Carlos, SP, Brazil
| | - Antonio C B Burtoloso
- Instituto de Química de São Carlos, Universidade de São Paulo , CEP 13560-970, São Carlos, SP, Brazil
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Ferreira IM, Meira EB, Rosset IG, Porto AL. Chemoselective biohydrogenation of α,β- and α,β,γ,δ-unsaturated ketones by the marine-derived fungus Penicillium citrinum CBMAI 1186 in a biphasic system. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.molcatb.2015.01.017] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Affiliation(s)
- Isac G. Rosset
- Instituto de Química
de São Carlos, Universidade de São Paulo, CEP 13560-970, São Carlos, SP Brazil
| | - Rafael M. P. Dias
- Instituto de Química
de São Carlos, Universidade de São Paulo, CEP 13560-970, São Carlos, SP Brazil
| | - Vagner D. Pinho
- Instituto de Química
de São Carlos, Universidade de São Paulo, CEP 13560-970, São Carlos, SP Brazil
| | - Antonio C. B. Burtoloso
- Instituto de Química
de São Carlos, Universidade de São Paulo, CEP 13560-970, São Carlos, SP Brazil
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Sgobbi LF, Razzino CA, Rosset IG, Burtoloso AC, Machado SA. Electrochemistry and UV–vis spectroscopy of synthetic thiocholine: Revisiting the electro-oxidation mechanism. Electrochim Acta 2013. [DOI: 10.1016/j.electacta.2013.08.143] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Rosset IG, Burtoloso ACB. Preparation of Z-α,β-Unsaturated Diazoketones from Aldehydes. Application in the Construction of Substituted Dihydropyridin-3-ones. J Org Chem 2013; 78:9464-70. [DOI: 10.1021/jo401191s] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Isac G. Rosset
- Instituto de Química
de São Carlos, Universidade de São Paulo, CEP 13560-970, São Carlos, SP, Brazil
| | - Antonio C. B. Burtoloso
- Instituto de Química
de São Carlos, Universidade de São Paulo, CEP 13560-970, São Carlos, SP, Brazil
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G. Rosset I, M. Assaf E, L. M. Porto A. Biocatalytic Production of Ethyl Esters (Biodiesel) by Enzymatic Transesterification from Synthetic Triolein. ACTA ACUST UNITED AC 2013. [DOI: 10.2174/2211544711302010009] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Rocha LC, Rosset IG, Melgar GZ, Raminelli C, Porto ALM, Jeller AH. Chemoenzymatic Resolution of β-Azidophenylethanols byCandida antarcticaand their Application for the Synthesis of Chiral Benzotriazoles. J BRAZIL CHEM SOC 2013. [DOI: 10.5935/0103-5053.20130181] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Rocha LC, Luiz RF, Rosset IG, Raminelli C, Seleghim MHR, Sette LD, Porto ALM. Bioconversion of iodoacetophenones by marine fungi. Mar Biotechnol (NY) 2012; 14:396-401. [PMID: 22653656 DOI: 10.1007/s10126-012-9463-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2011] [Accepted: 10/30/2011] [Indexed: 06/01/2023]
Abstract
Nine marine fungi (Aspergillus sclerotiorum CBMAI 849, Aspergillus sydowii Ce19, Beauveria felina CBMAI 738, Mucor racemosus CBMAI 847, Penicillium citrinum CBMAI 1186, Penicillium miczynskii Ce16, P. miczynskii Gc5, Penicillium oxalicum CBMAI 1185, and Trichoderma sp. Gc1) catalyzed the asymmetric bioconversion of iodoacetophenones 1-3 to corresponding iodophenylethanols 6-8. All the marine fungi produced exclusively (S)-ortho-iodophenylethanol 6 and (S)-meta-iodophenylethanol 7 in accordance to the Prelog rule. B. felina CBMAI 738, P. miczynskii Gc5, P. oxalicum CBMAI 1185, and Trichoderma sp. Gc1 produced (R)-para-iodophenylethanol 8 as product anti-Prelog. The bioconversion of para-iodoacetophenone 3 with whole cells of P. oxalicum CBMAI 1185 showed competitive reduction-oxidation reactions.
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Affiliation(s)
- Lenilson C Rocha
- Instituto de Química de São Carlos, Universidade de São Paulo, Av. Trabalhador, São-carlense, 400, CP 780, 13560-970, São Carlos, SP, Brazil
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Rocha LC, Rosset IG, Luiz RF, Raminelli C, Porto AL. Kinetic resolution of iodophenylethanols by Candida antarctica lipase and their application for the synthesis of chiral biphenyl compounds. ACTA ACUST UNITED AC 2010. [DOI: 10.1016/j.tetasy.2010.05.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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