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Aminomethylation of derivatives of 2-amino-3-ethoxycarbonyl 4-arylthiophene

✍ Scribed by V. I. Shvedov; V. K. Ryzhkova; A. N. Grinev

Book ID
112441628
Publisher
Springer US
Year
1969
Tongue
English
Weight
111 KB
Volume
3
Category
Article
ISSN
0009-3122

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## Abstract In the reaction of methyl (__E,Z__)‐2‐(2‐benzoyl‐2‐ethoxycarbonyl‐1‐ethenyl)amino‐3‐dimethylaminopro‐penoate (1) with heteroarylhydrazines 2 in ethanol in the presence of catalytic amounts of hydrochloric acid two types of products were formed: methyl 2‐(2‐benzoyl‐2‐ethoxycarbonyl‐1‐eth