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Synthesis of benzopyrano[3,4-c]-and benzothiopyrano[3,4-c]-[2,1,3]selenadiazol-4-ones

โœ Scribed by V. L. Saval'ev; O. L. Samsonova; L. D. Smirnov

Book ID
112361545
Publisher
Springer US
Year
1986
Tongue
English
Weight
64 KB
Volume
22
Category
Article
ISSN
0009-3122

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๐Ÿ“œ SIMILAR VOLUMES

The correct synthesis of 2,3-dihydro-2-a
The correct synthesis of 2,3-dihydro-2-aryl-4-r-[1]benzopyrano[4,3-c]pyrazole-3-ones.
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.