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Multicomponent Reactions for Diverse Synthesis of N -Substituted and NH 1,4-Dihydropyridines

✍ Scribed by Wan, Jieping; Zhou, Youyi; Liu, Yunyun; Fang, Zheng; Wen, Chengping


Book ID
121867763
Publisher
John Wiley and Sons
Year
2014
Tongue
English
Weight
632 KB
Volume
32
Category
Article
ISSN
0256-7660

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Synthesis and structure of quinoxaline-s
✍ G. Stumm; H.-J. Niclas; G. Winter; G. Reck 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 539 KB

## Abstract The preparation of a novel series of quinoxaline‐substituted 1,4‐dihydropyridines is described. Thus, the reaction of 1 with acetoacetates in the presence of ammonia leads to dialkyl 2,6‐dimethyl‐4‐(quinoxaline‐1,4‐dioxid‐2‐yl)‐1,4‐dihydropyridine‐3,5‐dicarboxylates 2a‐g. Compounds 4a‐c