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Synthesis of condensed pyrazoles by cyclization of hydrazones with polyphosphoric acid

โœ Scribed by William A. Mosher; Thurston E. Banks

Book ID
112122544
Publisher
Journal of Heterocyclic Chemistry
Year
1971
Tongue
English
Weight
127 KB
Volume
8
Category
Article
ISSN
0022-152X

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๐Ÿ“œ SIMILAR VOLUMES

The synthesis of substituted indazoles v
The synthesis of substituted indazoles via cyclization of various hydrazones in the presence of polyphosphoric acid (PPA)
โœ Qiu Guofu; Su Jiangtao; Feng Xichun; Wu Lamei; Xu Wenjin; Hu Xianming ๐Ÿ“‚ Article ๐Ÿ“… 2004 ๐Ÿ› Journal of Heterocyclic Chemistry ๐ŸŒ English โš– 134 KB

## Abstract Research directed toward the discovery of nitric oxide synthase inhibitor led to synthesis of a series of substituted indazoles via the intramolecular cyclization of various hydrazones of substituted acetophenones and benzophenones in the presence of polyphosphoric acid (PPA). The struc