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Research on 2- acyl-3-aminobenzofurans II. Synthesis of heterocyclic systems from 2-acyl-3-aminobenzofuran derivatives

✍ Scribed by F. A. Trofimov; L. I. Shevchenko; G. F. Lelyak; A. N. Grinev


Book ID
112384755
Publisher
Springer US
Year
1975
Tongue
English
Weight
233 KB
Volume
11
Category
Article
ISSN
0009-3122

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## Abstract An unexpected cyclization reaction of 2‐azido‐1‐(2‐hydroxyphenyl)ethanones with terminal alkynoates catalyzed by 4‐dimethylaminopyridine (DMAP) was developed, and 2‐aminobenzofuran‐3(2__H__)‐one derivatives were obtained in moderate to good yields under mild reaction conditions within 2