Synthesis and fungicidal activity of some novel thiazole Schiff bases derived from benzo[d][1,3]dioxole

Abstract

A series of novel thiazole Schiff base derivatives containing benzo[d][1,3]dioxole moiety was designed, synthesized and screened for their fungicidal activities. The preliminary results demonstrated that compounds 6p, 6q and 6r possessed potent activities against Phytophthora infestans, Pyricularia oryzae and Septoria tritici in vitro. Compounds 6d and 6r exhibited remarkable activities against Botrytis cinerea(whole plant) and Phytophthora infestans(leaf disk) respectively in vivo, which were identified as the most promising candidates for further study and could be used as possible lead compounds for developing new fungicides.

Keywords

Thiazole / Schiff base / Benzo[d][1,3]dioxole / Fungicidal activity

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