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Synthesis and biological evaluation of [1-(1 H -1,2,4-triazol-1-yl)alkyl]-1-silacyclopentanes

✍ Scribed by Yoo, Bok Ryul; Suk, Mi Yeon; Han, Joon Soo; Yu, Yong-Man; Hong, Soon-Gyu; Jung, Il Nam

Publisher: John Wiley and Sons
Year: 1998
Tongue: English
Weight: 256 KB
Volume: 52
Category: Article
ISSN: 1526-498X
DOI: 10.1002/(sici)1096-9063(199802)52:2<138::aid-ps678>3.0.co;2-g

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✦ Synopsis

A series of 1-aryl-1-(1H-1,2,4-triazol-1-yl)alkyl-1-silacyclopentanes has been synthesized by four-step reactions starting from 1-chloroalkyltrichlorosilane and tested for fungicidal activities in vitro for ten fungi and in vivo for four fungi occurring in rice, cucumber, tomato etc. Biological activities of the title compounds are strongly dependent upon the p-substituent on the phenyl group in the following order :

alkyl]-1-silacyclopentanes (alkyl \ methyl or ethyl) showed signiÐcant fungicidal activity with a broad spectrum comparable to Ñusilazole in in-vivo assay.

1998 SCI.

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