Synthesis and Herbicidal Activity of 3-Arylsulfonyloxy (substituted) isothiazoles

Abstract

Abstract: To look for novel compounds with biological activity, 3-arylsulfonyloxy(substituted) isothiazoles were synthesized by the condensation of 3-hydroxy(substituted) isothiazoles with arylsulfonylchlorides in the presence of base. The strctures of target compounds were confirmed by elemental analysis, ¹H NMR, IR, MS. Also, the single crystal structures of compounds 3c and 4b were determined. All the facts ascertained that the sulfonylization position was oxygen atom of isothiazole heterocycle. The herbicidal activities of title compounds were determined and the result showed that it was possible that they were ALS inhibitors.

Key words: 3-Arylsulfonyloxy(substituted) isothiazole, Synthesis, Herbicidal activity

CLC Number:

O626.12

TrendMD:

YANG Xiao-Ping, LI Zheng-Ming, WANG Ling-Xiu, LI Yong-Hong. Synthesis and Herbicidal Activity of 3-Arylsulfonyloxy (substituted) isothiazoles[J]. Chem. J. Chinese Universities, 1998, 19(2): 228.

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Synthesis and Herbicidal Activity of 3-Arylsulfonyloxy (substituted) isothiazoles

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