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Reaction of 2-dimethylaminomethylene-1,3-diones with Dinucleophiles. IV. Synthesis of 5,7-dihydrothiopyrano[3,4-c]pyrazol-4(1H)-ones, 5H-Thiopyrano[4,3-d]isoxazol-4(7H)-one and 6H-Thiopyrano[3,4-d]pyrimidin-5(8H)-ones

✍ Scribed by Giulia Menozzi; Luisa Mosti; Pietro Schenone


Book ID
112127628
Publisher
Journal of Heterocyclic Chemistry
Year
1984
Tongue
English
Weight
195 KB
Volume
21
Category
Article
ISSN
0022-152X

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## Abstract The synthesis of new planar derivatives characterized by the presence of a pyridothiopyranopyrazole or pyridothiopyranopyrimidine nucleus, carrying a substituted aryl group, is reported. The novel 1,4‐dihydropyrido[3β€²,2β€²:5,6]thiopyrano[4,3‐__c__]pyrazole derivatives were obtained by con