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Acid-Mediated Cyclization of 3-Benzoyl-2-cyanobutyronitrile to 2-Amino-4-methyl-5-phenylfuran-3-carbonitrile.

✍ Scribed by Susumu Watanuki; Shuichi Sakamoto; Hironori Harada; Kazumi Kikuchi; Takahiro Kuramochi; Ken-ichi Kawaguchi; Toshio Okazaki; Shin-ichi Tsukamoto

Publisher
John Wiley and Sons
Year
2004
Weight
85 KB
Volume
35
Category
Article
ISSN
0931-7597

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Synthesis and reactions of 2-amino-6-(3-
Synthesis and reactions of 2-amino-6-(3-methyl-5-oxo-1-phenyl-2-pyrazolin-4-yl)-4-phenylpyridine-3-carbonitrile
✍ R. A. Ahmed; M. M. Kandeel; M. S. Abbady; M. S. K. Youssef 📂 Article 📅 2002 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 81 KB 👁 1 views

## Abstract 2‐Amino‐6‐(3‐methyl‐5‐oxo‐1‐phenyl‐2‐pyrazolin‐4‐yl)‐4‐phenylpyridine‐3‐carbonitrile (1) obtained by the reaction of 4‐(1‐iminoethyl)‐3‐methyl‐1‐phenyl‐2‐pyrazolin‐5‐one with benzylidenemalononitrile, was reacted with triethyl orthoformate followed by hydrazine hydrate, acetic anhydride

Tandem Michael addition/imino-nitrile cy
Tandem Michael addition/imino-nitrile cyclization synthesis of 2-amino-6-(1-aryl-5-methyl-1H-1,2,3-triazol-4yl)-4-phenylpyridine-3-carbonitrile
✍ Heng-Shan Dong; Hui-Cheng Wang; Zhong-Lian Gao; Rong-Shan Li; Fu-Hong Cui 📂 Article 📅 2010 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 776 KB

## Abstract magnified image Several 2–amino‐6‐(1‐aryl‐5‐methyl‐1__H__‐1,2,3‐triazol‐4‐yl)‐4‐phenylpyridine‐3‐carbonitrile have been synthesized by Tandem Michael addition/imino‐nitrile cyclization and the structures of these compounds were established by MS, IR, CHN, and ^1^H NMR spectral data. The