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Volumn 46, Issue 49, 2005, Pages 8563-8566

Enantioselective three-component synthesis of 4-arylated dehydroprolines: [3+2] annulation of allenylstannane and α-imino ester

Author keywords

Imino ester; Allenylstannane; Annulation; Asymmetric synthesis; Proline; Stille coupling

Indexed keywords

ESTER DERIVATIVE; PROLINE DERIVATIVE;

EID: 27644441478     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2005.09.194     Document Type: Article
Times cited : (10)

References (31)
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    • 27644590216 scopus 로고    scopus 로고
    • note
    • 4,7c.
  • 24
    • 27644445326 scopus 로고    scopus 로고
    • note
    • 1H NMR analysis). Partial protonolysis of 5 took place on silica gel during purification.
  • 25
    • 27644575737 scopus 로고    scopus 로고
    • note
    • Ee value was not improved further by carrying out the reaction in an oil bath of 60°C (93% ee) and the yield of 4 decreased to 13%.
  • 29
    • 0001172865 scopus 로고
    • B.M. Trost I. Fleming Pergamon Press Oxford
    • J.S. Panek B.M. Trost I. Fleming Comprehensive Organic Synthesis Vol. 1 1991 Pergamon Press Oxford 579
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  • 31
    • 27644496842 scopus 로고    scopus 로고
    • note
    • 4, 10 mol % of (R)-TolBINAP, toluene, 80°C). Compound 4 of 83% ee afforded 91% recovery of 4 with 83% ee even after 5 h stirring.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.