메뉴 건너뛰기




Volumn 71, Issue 4, 2006, Pages 1750-1753

Synthesis of hydantoins from enantiomerically pure α-amino amides without epimerization

Author keywords

[No Author keywords available]

Indexed keywords

HYDANTOINS; IMIDAZOLE CARBAMATE; RACEMIZATION;

EID: 33644524043     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo052474s     Document Type: Article
Times cited : (58)

References (32)
  • 13
    • 15444370885 scopus 로고    scopus 로고
    • For a recent example of a solid-phase method for the preparation of enantiomerically pure hydantoins utilizing CDI, see: Vázquez, J.; Royo, M.; Albericio, F. Lett. Org. Chem. 2004, 1, 224-226.
    • (2004) Lett. Org. Chem. , vol.1 , pp. 224-226
    • Vázquez, J.1    Royo, M.2    Albericio, F.3
  • 19
    • 33644524224 scopus 로고    scopus 로고
    • note
    • 3. This method could accurately measuring 2% of the minor isomer.
  • 20
    • 33644524846 scopus 로고    scopus 로고
    • note
    • 2 gave racemic 7c. Cyclization of 6g (HCl salt) with CDI in DMF in the presence of DIPEA gave 7g as a mixture of diastereomers resulting from epimerzation of the hydantoin.
  • 21
    • 0141482492 scopus 로고
    • (a) Lazarus, R. A. J. Org. Chem. 1990, 55 (15), 4755-4757.
    • (1990) J. Org. Chem. , vol.55 , Issue.15 , pp. 4755-4757
    • Lazarus, R.A.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.