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Volumn 12, Issue 2, 2008, Pages 168-177

Kilogram synthesis of a selective serotonin reuptake inhibitor

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EID: 58149171592     PISSN: 10836160     EISSN: 1520586X     Source Type: Journal    
DOI: 10.1021/op700125z     Document Type: Article
Times cited : (29)

References (54)
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    • Currently available drugs in this class include Citalopram, Escitalopram, Fluoxetine, Fluvoxamine, Paroxetine, and Sertraline. Malinin, A.; Oshrine, B.; Serebruany, V. Med. Hypothesis 2004. 63, 103.
    • (a) Currently available drugs in this class include Citalopram, Escitalopram, Fluoxetine, Fluvoxamine, Paroxetine, and Sertraline. Malinin, A.; Oshrine, B.; Serebruany, V. Med. Hypothesis 2004. 63, 103.
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    • Mattson, R. J, Denhart, D. J, Deskus, J. A, Ditta, J. L, Marcin, L. R, Epperson, J. R, Catt, J. D, King, D, Higgins, M. A, Bristol- Myers Squibb Cyclopropylindole derivatives as selective serotonin reuptake inhibitors, U.S. patent US6777437 B2, Aug 17, 2004
    • (a) Mattson, R. J.; Denhart, D. J.; Deskus, J. A.; Ditta, J. L.; Marcin, L. R.; Epperson, J. R.; Catt, J. D.; King, D.; Higgins, M. A. (Bristol- Myers Squibb) Cyclopropylindole derivatives as selective serotonin reuptake inhibitors, U.S. patent US6777437 B2, Aug 17, 2004.
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    • Mattson, R. J, Bristol-Myers Squibb Cyclopropylindole derivatives as selective serotonin reuptake inhibitors, U.S. patent US6822100 B2, Nov 23, 2004
    • (b) Mattson, R. J. (Bristol-Myers Squibb) Cyclopropylindole derivatives as selective serotonin reuptake inhibitors, U.S. patent US6822100 B2, Nov 23, 2004.
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    • Mattson, R. J, Denhart, D. J, Deskus, J. A, Ditta, J. L, Marcin, L. R, Epperson, J. R, Catt, J. D, King, D, Higgins, M. A, Bristol-Myers Squibb Cyclopropylindole derivatives as selective serotonin reuptake inhibitors, PCT Int. Appl. WO 0279152, 2002
    • (c) Mattson, R. J.; Denhart, D. J.; Deskus, J. A.; Ditta, J. L.; Marcin, L. R.; Epperson, J. R.; Catt, J. D.; King, D.; Higgins, M. A. (Bristol-Myers Squibb) Cyclopropylindole derivatives as selective serotonin reuptake inhibitors, PCT Int. Appl. WO 0279152, 2002.
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    • Similar disconnection was employed during multi-kilogram scale preparation of a melatonin antagonist. Simpson, J. H, Godfrey, J, Fox, R, Kotnis, A, Kacsur, D. J, Hamm, J, Totleben, M, Rosso, V, Mueller, R, Delaney, E, Deshpande, R. P. Tetrahedron Asymmetry 2003, 14, 3569
    • Similar disconnection was employed during multi-kilogram scale preparation of a melatonin antagonist. Simpson, J. H.; Godfrey, J.; Fox, R.; Kotnis, A.; Kacsur, D. J.; Hamm, J,; Totleben, M.; Rosso, V.; Mueller, R.; Delaney, E.; Deshpande, R. P. Tetrahedron Asymmetry 2003, 14, 3569.
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    • The Drug Discovery conversion of aldehyde 5 to vinyl indole 2 involved Wittig olefination. Although the Wittig chemistry was effective, two-step methyl Grignard addition followed by dehydration was found to be operationally simpler.
    • The Drug Discovery conversion of aldehyde 5 to vinyl indole 2 involved Wittig olefination. Although the Wittig chemistry was effective, two-step methyl Grignard addition followed by dehydration was found to be operationally simpler.
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    • mL/g refers to milliliters of solvent per grams of substrate
    • mL/g refers to milliliters of solvent per grams of substrate.
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    • A 4 min HPLC method was developed to minimize exposure of the product to the reaction conditions.
    • A 4 min HPLC method was developed to minimize exposure of the product to the reaction conditions.
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    • Subsequent to the work described here, significant advances in the field of cyclopropanation chemistry were reported by many research groups. For representative examples, see
    • (a) Subsequent to the work described here, significant advances in the field of cyclopropanation chemistry were reported by many research groups. For representative examples, see: Lebel, H.; Marcoux, J.-F.; Molinaro, C.; Charette, A. B Chem. Rev. 2003, 103, 977.
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    • Lebel, H.1    Marcoux, J.-F.2    Molinaro, C.3    Charette, A.B.4
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    • Searle, N. E. Organic Syntheses; Wiley: New York, 1963; Collect. IV, p 424.
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    • (f) DelMonte, A. J.; Dowdy, E. D.; Watson, D. J. Development of Transition Metal-Mediated Cyclopropanation Reactions. In Topics in Organometallic Chemistry; Larsen, R. D., Ed.; Springer: Berlin, New York, 2004; Vol. 6, Organometallics in Process Chemistry; pp 97-122.
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    • Results from the solvent screen at 30 mL/g with the slow addition (16 h) of 2.2 M EDA intoluene are as follows: in THF (50-60 °C, 86-89% ee with 9.7-10.8:1 trans:cis ratio with 91-99% conversion; in ethyl acetate (50 °C, 87.1, ee with 9.7:1 tmnsicis ratio with 98.6% conversion; in toluene (50 °C, 88.2% ee with 11.4:1 trans:cis ratio and 95.9% conversion; in acetone (reflux, 82.6% ee with 10.7:1 trans: cis ratio and 87.8% conversion; in CH2CI2 (reflux, 92.4% ee with 13.1:1 trans:cis ratio and 56.5% conversion; in MTBE (50 °C, 87.6% ee with 12.9:1 trans:cis ratio and >99% conversion; in methylisobutylketone (50 °C, 86.3% ee with 14.7:1 trans:cis ratio and 82.7% conversion; in butylacetate (50 °C, 85.6% ee with 11.6:1 trans:cis ratio and 98.7% conversion; in triflurotouluene (50 °C, 86.3% ee (trans:cis ratio ND) and 67.9% conversion; in acetonitrile no conversion w
    • 2 (reflux), 92.4% ee with 13.1:1 trans:cis ratio and 56.5% conversion; in MTBE (50 °C), 87.6% ee with 12.9:1 trans:cis ratio and >99% conversion; in methylisobutylketone (50 °C), 86.3% ee with 14.7:1 trans:cis ratio and 82.7% conversion; in butylacetate (50 °C), 85.6% ee with 11.6:1 trans:cis ratio and 98.7% conversion; in triflurotouluene (50 °C), 86.3% ee (trans:cis ratio ND) and 67.9% conversion; in acetonitrile no conversion was achieved, most likely due to complexation of acetonitrile with ruthenium (See: Cadiemo, V.; Gamasa, M. P.; Gimeno, J.; Inglesias, L.; Garcia-Granda, S. Inorg. Chem. 1999, 38, 2874.
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    • For a detailed analysis of a similar system see: Org. Process Res. Dev. 2004, 6, 1072-1075.
    • For a detailed analysis of a similar system see: Org. Process Res. Dev. 2004, 6, 1072-1075.
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.