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Studies on furan derivatives. V . A novel ethoxycarbonylmethylation of the 5‐nitro‐2‐furan ring in the reaction of α‐(2‐furyl)‐β‐(5‐nitro‐2‐furyl)ethynyl with N ‐ethoxycarbonylmethylpyridinium ylide
Author(s) -
Tanaka Akira,
Usui Toshinao
Publication year - 1979
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.5570160723
Subject(s) - chemistry , nitro , furan , ylide , indolizine , ring (chemistry) , medicinal chemistry , organic chemistry , alkyl
An unexpected product, 1‐(4‐ethoxycarbonylmethyl‐5‐nitro‐2‐furyl)‐2‐(2‐furyl)‐3‐ethoxycarbonyl‐indolizine was obtained by the reaction of α‐(2‐furyl)‐β‐(5‐nitro‐2‐furyl)ethynyl with N ‐ethoxy‐carbonylmethylpyridinium ylide in N,N ‐dimethylformamide, together with 1‐(5‐nitro‐2‐furyl)‐2‐(2‐furyl)‐3‐ethoxycarbonylindolizine.