Synthesis and Molluscicidal Activity of New Chromene and Pyrano [2, 3??c] pyrazole Derivatives

…, O Kataeva, A Jaeger, SF El??Mahrouky

文献索引：Abdelrazek, Fathy M.; Metz, Peter; Kataeva, Olga; Jaeger, Anne; El-Mahrouky, Sherif F. Archiv der Pharmazie, 2007 , vol. 340, # 10 p. 543 - 548

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被引用次数: 138

摘要

Abstract The chromene derivative 4 reacts with acetic anhydride, phenylisothiocyanate and ethyl orthoformate to afford the N-acetyl derivative 6, the chromenopyrimidine 8 and the formimidate 9, respectively. 2-(1H-Indol-3-ylmethylene)-malononitrile 10b reacts with 1, 3- cyclohexanedione and dimedone 11a, b to afford the 4 (3-indolyl)-chromene derivatives 12a, b respectively, and with the pyrazolone derivatives 13a–d to afford the arylidene ...