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Volumn 66, Issue 32, 2010, Pages 6167-6173

A short formal synthesis of three epimers of penmacric acid

Author keywords

Epimers; Lithium enolate; Penmacric acid; Pyroglutamate; Titanium enolate

Indexed keywords

AMINO ACID; IMINE; PENMACRIC ACID; PYROGLUTAMIC ACID; UNCLASSIFIED DRUG;

EID: 77955413062     PISSN: 00404020     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tet.2010.05.102     Document Type: Article
Times cited : (10)

References (37)
  • 27
    • 77955427885 scopus 로고    scopus 로고
    • 6-epi, 4-epi, 4,6-epi Corresponds to 1′-epi, 3-epi, 3,1′-epimers of 1 respectively according to usual pyroglutamate numbering
    • 6-epi, 4-epi, 4,6-epi Corresponds to 1′-epi, 3-epi, 3,1′-epimers of 1 respectively according to usual pyroglutamate numbering.
  • 30
    • 77955422480 scopus 로고    scopus 로고
    • Note
    • ORTEP diagrams of 7 (CCDC reference number 770723) and 11 (CCDC reference number 770724) are available in supporting information.
  • 36
    • 77955426670 scopus 로고    scopus 로고
    • Note
    • In absence of the directing ester group in imines 2 and 5, approach to the enolate of 6 (Li and Ti) is directed in a different manner where both steric bulk and chelating ability of N-substituent determine the stereo-outcome of the reaction.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.