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The diels-alder reaction of 5-aminopyrazole-4-carbonitrile with dmad: Synthesis and structural determination of dimethyl 2-(p-toluenesulfonylamino)-3-cyano-4-imino-1,4-dihydropyridine-5,6-dicarboxylate

โœ Scribed by Yoshinori Tominaga; Raymond N. Castle; N. Kent Dalley


Book ID
112130586
Publisher
Journal of Heterocyclic Chemistry
Year
1993
Tongue
English
Weight
283 KB
Volume
30
Category
Article
ISSN
0022-152X

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๐Ÿ“œ SIMILAR VOLUMES


Reaction of 5-amino-1-phenylpyrazole-4-c
โœ Yoshinori Tominaga; Noriko Yoshioka; Raymond N. Castle; Jiann-Kuan Luo; Tadashi ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› Journal of Heterocyclic Chemistry ๐ŸŒ English โš– 570 KB

## Abstract The reaction of 5โ€aminoโ€1โ€phenylpyrazoleโ€4โ€carbonitriles 1aโ€c with dimethyl acetylenedicarboxylate in the presence of potassium carbonate in dimethyl sulfoxide gave trimethyl 4,5,5a,8โ€tetrahydroโ€1โ€phenylโ€4,8โ€dioxoโ€1__H__โ€pyrazolo[3,4โ€__e__]indolizineโ€5,5a,6โ€tricarboxylate derivatives 3a