Chemistry Letters p. 295 - 298 (1986)
Update date:2022-08-11
Topics:
Cantos, Albert
March, Pere De
Moreno-Manas, Marcial
Pla, Anna
Sanchez-Ferrando, Francisco
Virgili, Albert
A clean synthesis of pyranopyrazolones is described.The reactions of 4-chloro-3-(1-chlorovinyl)-6-methyl-2-pyrone with arylhydrazines give pyrano<4,3-c>pyrazol-4(2H)-ones as the only identified products.However, the isomeric pyrano<4,3-c>pyrazol-4(1H)-one
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Doi:10.1021/jo960911k
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(1966)
