Synthesis of novel heterocycles : Oxazolo[4,5-b]pyridines and oxazolo[4,5-d]pyrimidines
作者:M Doise、F Dennin、D Blondeau、H Sliwa
DOI:10.1016/s0040-4039(00)88750-x
日期:1990.1
Novel purine isosters (title compounds) have been prepared by condensation of the appropriate o-hydroxyaminoazine with ethylorthoformate ; extension to other orthoesters and to benzyl thioacetimidate afford 2-alkyl substituted derivatives of these new fused heterocycles.
DOISE, M.;DENNIN, F.;BLONDEAU, D.;SLIWA, H., TETRAHEDRON LETT., 31,(1990) N, C. 1155-1156
作者:DOISE, M.、DENNIN, F.、BLONDEAU, D.、SLIWA, H.
DOI:——
日期:——
OEZDEN, SECKIN;YALCIN, ISMAIL;OEZDEN, TUNCEL, ANKARA UENIV. ESZACILIK FAK. DERG., 1984, 14, N 1, 53-66
作者:OEZDEN, SECKIN、YALCIN, ISMAIL、OEZDEN, TUNCEL
DOI:——
日期:——
Syntheses of Oxazolo [4,5-<i>b</i>]pyridines and [4,5-<i>d</i>]pyrimidines
作者:Muriel Doise、Dominique Blondeau、Henri Sliwa
DOI:10.1080/00397919208021112
日期:1992.11
Abstract Oxazolo [4, 5-b] pyridines and [4, 5-d] pyrimidines and their 2-substituted compounds have been prepared respectively by condensation of orthoesters or thioimidates derivatives with 2-amino-3-hydroxypyridine and 4-amino-5-hydroxypyrimidine.