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Chong E, Qu B, Zhang Y, Cannone ZP, Leung JC, Tcyrulnikov S, Nguyen KD, Haddad N, Biswas S, Hou X, Kaczanowska K, Chwalba M, Tracz A, Czarnocki S, Song JJ, Kozlowski MC, Senanayake CH. A versatile catalyst system for enantioselective synthesis of 2-substituted 1,4-benzodioxanes. Chem Sci 2019; 10:4339-4345. [PMID: 31057761 PMCID: PMC6472100 DOI: 10.1039/c8sc05612a] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2018] [Accepted: 03/12/2019] [Indexed: 12/14/2022] Open
Abstract
We report the synthesis of enantiomerically enriched 1,4-benzodioxanes containing alkyl, aryl, heteroaryl, and/or carbonyl substituents at the 2-position. The starting 1,4-benzodioxines were readily synthesized via ring closing metathesis using an efficient nitro-Grela catalyst at ppm levels. Excellent enantioselectivities of up to 99:1 er were obtained by using the versatile catalyst system [Ir(cod)Cl]2/BIDIME-dimer in the asymmetric hydrogenation of 2-substituted 1,4-benzodioxines. Furthermore, DFT calculations reveal that the selectivity of the process is controlled by the protonation step; and coordinating groups on the substrate may alter the interaction with the catalyst, resulting in a change in the facial selectivity.
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Affiliation(s)
- Eugene Chong
- Chemical Development, Boehringer Ingelheim Pharmaceuticals, Inc. , 900 Ridgebury Road , Ridgefield , CT 06877 , USA . ; ;
| | - Bo Qu
- Chemical Development, Boehringer Ingelheim Pharmaceuticals, Inc. , 900 Ridgebury Road , Ridgefield , CT 06877 , USA . ; ;
| | - Yongda Zhang
- Chemical Development, Boehringer Ingelheim Pharmaceuticals, Inc. , 900 Ridgebury Road , Ridgefield , CT 06877 , USA . ; ;
| | - Zachary P Cannone
- Chemical Development, Boehringer Ingelheim Pharmaceuticals, Inc. , 900 Ridgebury Road , Ridgefield , CT 06877 , USA . ; ;
| | - Joyce C Leung
- Chemical Development, Boehringer Ingelheim Pharmaceuticals, Inc. , 900 Ridgebury Road , Ridgefield , CT 06877 , USA . ; ;
| | - Sergei Tcyrulnikov
- Department of Chemistry , University of Pennsylvania Philadelphia , PA 19104 , USA .
| | - Khoa D Nguyen
- Chemical Development, Boehringer Ingelheim Pharmaceuticals, Inc. , 900 Ridgebury Road , Ridgefield , CT 06877 , USA . ; ;
| | - Nizar Haddad
- Chemical Development, Boehringer Ingelheim Pharmaceuticals, Inc. , 900 Ridgebury Road , Ridgefield , CT 06877 , USA . ; ;
| | - Soumik Biswas
- Chemical Development, Boehringer Ingelheim Pharmaceuticals, Inc. , 900 Ridgebury Road , Ridgefield , CT 06877 , USA . ; ;
| | - Xiaowen Hou
- Chemical Development, Boehringer Ingelheim Pharmaceuticals, Inc. , 900 Ridgebury Road , Ridgefield , CT 06877 , USA . ; ;
| | - Katarzyna Kaczanowska
- Apeiron Synthesis S.A. Wroclaw Technology Park ul , Duńska 9 , 54-427 Wrocław , Poland
| | - Michał Chwalba
- Apeiron Synthesis S.A. Wroclaw Technology Park ul , Duńska 9 , 54-427 Wrocław , Poland
| | - Andrzej Tracz
- Apeiron Synthesis S.A. Wroclaw Technology Park ul , Duńska 9 , 54-427 Wrocław , Poland
| | - Stefan Czarnocki
- Apeiron Synthesis S.A. Wroclaw Technology Park ul , Duńska 9 , 54-427 Wrocław , Poland
| | - Jinhua J Song
- Chemical Development, Boehringer Ingelheim Pharmaceuticals, Inc. , 900 Ridgebury Road , Ridgefield , CT 06877 , USA . ; ;
| | - Marisa C Kozlowski
- Department of Chemistry , University of Pennsylvania Philadelphia , PA 19104 , USA .
| | - Chris H Senanayake
- Chemical Development, Boehringer Ingelheim Pharmaceuticals, Inc. , 900 Ridgebury Road , Ridgefield , CT 06877 , USA . ; ;
- Astatech BioPharmaceutical Corporation , 488 Kelin West Road, Wenjiang Dist. , Chengdu , Sichuan 611130 , P. R. China
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Yin X, Huang Y, Chen Z, Hu Y, Tao L, Zhao Q, Dong XQ, Zhang X. Enantioselective Access to Chiral 2-Substituted 2,3-Dihydrobenzo[1,4]dioxane Derivatives through Rh-Catalyzed Asymmetric Hydrogenation. Org Lett 2018; 20:4173-4177. [PMID: 29968478 DOI: 10.1021/acs.orglett.8b01469] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Rh-catalyzed asymmetric hydrogenation of various benzo[ b][1,4]dioxine derivatives was successfully developed to prepare chiral 2-substituted 2,3-dihydrobenzo[1,4]dioxane derivatives using ZhaoPhos and N-methylation of ZhaoPhos ligands with high yields and excellent enantioselectivities (up to 99% yield, >99% enantiomeric excess (ee), turnover number (TON) = 24 000). Moreover, this asymmetric hydrogenation methodology, as the key step with up to 10 000 TON, was successfully applied to develop highly efficient synthetic routes for the construction of some important biologically active molecules, such as MKC-242, WB4101, BSF-190555, and ( R)-doxazosin·HCl.
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Affiliation(s)
- Xuguang Yin
- Key Laboratory of Biomedical Polymers, Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences , Wuhan University , Wuhan , Hubei 430072 , People's Republic of China
| | - Yi Huang
- Key Laboratory of Biomedical Polymers, Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences , Wuhan University , Wuhan , Hubei 430072 , People's Republic of China
| | - Ziyi Chen
- Key Laboratory of Biomedical Polymers, Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences , Wuhan University , Wuhan , Hubei 430072 , People's Republic of China
| | - Yang Hu
- Key Laboratory of Biomedical Polymers, Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences , Wuhan University , Wuhan , Hubei 430072 , People's Republic of China
| | - Lin Tao
- Key Laboratory of Biomedical Polymers, Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences , Wuhan University , Wuhan , Hubei 430072 , People's Republic of China
| | - Qingyang Zhao
- Key Laboratory of Synthetic and Natural Functional Molecule, Chemistry of Ministry of Education, College of Chemistry and Materials Science , Northwest University , Xi'an , People's Republic of China
| | - Xiu-Qin Dong
- Key Laboratory of Biomedical Polymers, Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences , Wuhan University , Wuhan , Hubei 430072 , People's Republic of China
| | - Xumu Zhang
- Key Laboratory of Biomedical Polymers, Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences , Wuhan University , Wuhan , Hubei 430072 , People's Republic of China.,Department of Chemistry , Southern University of Science and Technology , Shenzhen , Guangdong 518055 , People's Republic of China
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Straniero V, Casiraghi A, Fumagalli L, Valoti E. How do reaction conditions affect the enantiopure synthesis of 2-substituted-1,4-benzodioxane derivatives? Chirality 2018; 30:943-950. [PMID: 29752740 DOI: 10.1002/chir.22968] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Revised: 03/13/2018] [Accepted: 03/28/2018] [Indexed: 01/31/2023]
Abstract
Several biologically active compounds structurally include the enantiopure 2-substituted-1,4-benzodioxane scaffold. The straightforward racemization that affects reactions involving most of the common chemical reactives is thus a crucial issue. The developing of a completely stereo-controlled synthetic route that does not affect the enantiomeric excess is consequently mandatory. It is also important to set up a reliable chiral HPLC method, able to follow the reaction, and to improve the synthetic performances. Here, we report the chiral investigation of two different synthons, we specifically evaluated the synthetic pathways that could be run in order to afford them, avoiding the racemization processes, which could normally occur in basic conditions. In addition, we developed peculiar chiral HPLC methods in order to resolve the enantiomers, define the enantiomeric excess, and fully characterize these compounds.
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Affiliation(s)
- Valentina Straniero
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Milano, Milan, Italy
| | - Andrea Casiraghi
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Milano, Milan, Italy
| | - Laura Fumagalli
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Milano, Milan, Italy
| | - Ermanno Valoti
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Milano, Milan, Italy
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Bolchi C, Valoti E, Straniero V, Ruggeri P, Pallavicini M. From 2-aminomethyl-1,4-benzodioxane enantiomers to unichiral 2-cyano- and 2-carbonyl-substituted benzodioxanes via dichloroamine. J Org Chem 2014; 79:6732-7. [PMID: 24945589 DOI: 10.1021/jo500964y] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
2-Substituted 1,4-benzodioxanes, such as 2-cyano-, 2-methoxycarbonyl-, 2-aminocarbonyl-, and 2-formyl-1,4-benzodioxane, are key synthons that for the most part are never described as enantiomers or are inadequately characterized for enantiomeric purity. They were prepared by quantitative N,N-dichlorination of (R)- and (S)-2-aminomethyl-1,4-benzodioxane and successive functional group conversions in high yields without any racemization of the stereogenic benzodioxane C(2).
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Affiliation(s)
- Cristiano Bolchi
- Dipartimento di Scienze Farmaceutiche, Sezione "Pietro Pratesi", Università degli Studi di Milano , via Mangiagalli 25, I-20133 Milano, Italia
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Rouf A, Aga MA, Kumar B, Taneja SC. A facile approach to chiral 1,4-benzodioxane toward the syntheses of doxazosin, prosympal, piperoxan, and dibozane. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.09.040] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Rouf A, Gupta P, Aga MA, Kumar B, Chaubey A, Parshad R, Taneja SC. Chemoenzymatic synthesis of piperoxan, prosympal, dibozane, and doxazosin. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.tetasy.2012.10.018] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Liu K, Zhong D, Chen X. Enantioselective determination of doxazosin in human plasma by liquid chromatography–tandem mass spectrometry using ovomucoid chiral stationary phase. J Chromatogr B Analyt Technol Biomed Life Sci 2010; 878:2415-20. [DOI: 10.1016/j.jchromb.2010.07.027] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2010] [Revised: 07/27/2010] [Accepted: 07/30/2010] [Indexed: 11/28/2022]
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Varma R, Kasture SM, Nene S, Kalkote UR. Lipases catalyzed enantioselective hydrolysis of (R,S)-methyl 1,4-benzodioxan-2-carboxylate intermediate for (S)-doxazosin mesylate. World J Microbiol Biotechnol 2007. [DOI: 10.1007/s11274-007-9504-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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. RV, . SMK, . BGG, . SN, . URK. Lipase Catalysed Enantioselective Amidation of α-phenylethylamine. ACTA ACUST UNITED AC 2007. [DOI: 10.3923/ajb.2007.279.283] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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