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Synthesis of fused pyrimidines with N ‐, S ‐heterocyclic moieties by double‐annelation reaction
Author(s) -
Chowdhury A. Z. M. Shaifullah,
Shibata Yasuyuki
Publication year - 2001
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570380333
Subject(s) - annulation , chemistry , pyrimidine , thiazine , stereochemistry , medicinal chemistry , organic chemistry , catalysis
A variety of tri‐ and tetracyclic hetero systems were obtained by reaction of heteroaromatic ortho ‐aminoesters or ortho ‐aminonitriles with iminothioether, yielding double‐annelation of a thiazolo[3,2‐a]‐pyrimidine, pyrimido[2,l‐b]thiazine, imidazo[1,2‐a]pyrimidine, and pyrimido[1,2‐a]pyrimidine moieties in a one‐pot process.
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