๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

Regioselective synthesis of [1]benzopyrano[4,3-c]pyrazol-4-(1H)-one and [1]benzopyrano[3,4-c]pyrazol-4(3H)-one derivatives

โœ Scribed by Hamdi M. Hassaneen; Ahmad S. Shawali; Mohammed S. Algharib; Nehal M. Elwan


Book ID
112960070
Publisher
Springer
Year
1993
Tongue
English
Weight
246 KB
Volume
16
Category
Article
ISSN
0253-6269

No coin nor oath required. For personal study only.


๐Ÿ“œ SIMILAR VOLUMES


The correct synthesis of 2,3-dihydro-2-a
โœ Vittoria Colotta; Lucia Cecchi; Fabrizio Melani; Giovanna Palazzino; Guido Filac ๐Ÿ“‚ Article ๐Ÿ“… 1987 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 192 KB

The claimed synthesis of 2a from 2-methyl-3-chromonecarbonitrile is shown not to lead to%, as previously reported but to 1,4-dihydro-l-phenyl-3-methyl[l]benzopyrano~3,4-d]pyrazole-4-one IOa.