Modification of pyridine‐3‐carboxamide (nicotinamide) by radical substitution
作者:
Masaru Tada,
Yurie Yokoi,
期刊:
Journal of Heterocyclic Chemistry
(WILEY Available online 1989)
卷期:
Volume 26,
issue 1
页码: 45-48
ISSN:0022-152X
年代: 1989
DOI:10.1002/jhet.5570260110
出版商: Wiley‐Blackwell
数据来源: WILEY
摘要:
AbstractPyridine‐3‐carboxamide (1) was reacted with alkyl radicals to give mono‐, di‐, and tri‐alkylated products. Thet‐butyl radical gives only 6‐t‐butylpyridine‐3‐carboxamide (4a). The reactivity decreases in the order oft‐butyl, isopropyl, and ethyl radicals. The product4areacts further with the 2‐phthalimidoethyl radical to give 2‐ and 4‐substituted products9and10, which were transformed into tetrahydronaphthy
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