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Volumn 63, Issue 26, 1998, Pages 9723-9727

(-)-15-Deoxyspergualin: A new and efficient enantioselective synthesis which allows the definitive assignment of the absolute configuration

Author keywords

[No Author keywords available]

Indexed keywords

15 DEOXYSPERGUALIN; SPERGUALIN DERIVATIVE;

EID: 0032567482     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo9811118     Document Type: Article
Times cited : (16)

References (61)
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    • Lebreton, L.1    Renaut, P.2    Durand, P.3
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    • (b) During preparation of the manuscript of this publication, a patent from BMS company has described a similar approach. Wang, X.; Thottahil, J. K Ear. Pat. Appl. EP 765, 866, Apr. 2, 1997.
    • (1997)
    • Wang, X.1    Thottahil, J.K.2
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    • Syntheses of α-halogenoglycines from α-thioalkylglycines: see ref 16bl
    • Syntheses of α-halogenoglycines from α-thioalkylglycines: see ref 16bl
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    • 4 hydrolysis of the nitrile compound afforded a mixture of 4 (32%) and the symmetrical bis(7-bromoheptane)imide(24%).
    • 4 hydrolysis of the nitrile compound afforded a mixture of 4 (32%) and the symmetrical bis(7-bromoheptane)imide(24%).
  • 47
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    • For recent improvement of the procedure and references for the synthesis of alkyl azide see: Alvarez, S. G.; Alvarez M. T. Synthesis, 1997, 4, 413-414.
    • (1997) Synthesis , vol.4 , pp. 413-414
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    • note
    • Optically active benzylic alcohols, S-(-)-1-phenyl ethanol, S-(-)-phenyl-1-butanol,S-(-)-1-(1-naphthyl)ethanol, S-(-)-α-methyl-2-naphthalenemethanol, S-(+)-1-indanol, R-(-)-α-tetralol are commercially available. A slight induction (d.e. 30%) was observed with the latter two compounds as determined by NMR analysis.
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    • Gilchrist, T.L.1
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    • The author has deposited crystallographic data for 7b with the Cambridge Crystallographic Data Center. The data can be obtained, on request, from the Director, Cambridge Crystallographic Data Center, 12 Union Road, Cambridge, CB2 1EZ, U.K.
    • The author has deposited crystallographic data for 7b with the Cambridge Crystallographic Data Center. The data can be obtained, on request, from the Director, Cambridge Crystallographic Data Center, 12 Union Road, Cambridge, CB2 1EZ, U.K.
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    • We have checked that there was no epimerisation during saponification of 7a by reesterification of the crude product with an ethereal diazomethane solution and analysis of the crude product by NMR. Attempts to purify and better characterize the acid intermediate revealed its instability.
    • We have checked that there was no epimerisation during saponification of 7a by reesterification of the crude product with an ethereal diazomethane solution and analysis of the crude product by NMR. Attempts to purify and better characterize the acid intermediate revealed its instability.
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    • See ref 8.
    • See ref 8.
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.