Structure-Biodegradability Relationships of Dialkyl Dithiolanylidenemalonates in Rice Plants and Rat Liver Homogenate
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- UCHIDA Matazaemon
- Institute of Life Science Research, Nihon Nohyaku Co., Ltd.
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- YOSHIDA Masanori
- Chemical Research Center, Nihon Nohyaku Co., Ltd.
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- KURONO Hitoshi
- Chemical Research Center, Nihon Nohyaku Co., Ltd.
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- SUGIMOTO Tatsuyoshi
- Institute of Life Science Research, Nihon Nohyaku Co., Ltd.
Bibliographic Information
- Other Title
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- 殺菌剤 dialkyl dithiolanylidenemalonate 類のイネ体内およびラット肝ホモジネートでの生分解性
- 殺菌剤dialkyl dithiolanylidenemalonate類のイネ体内およびラット肝ホモジネートでの生分解性〔英文〕
- サッキンザイ dialkyl dithiolanylidenemalonate
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Abstract
All dialkyl 1, 3-dithiolan-2-ylidenemalonates examined are considerably stable in rice plants, showing their t1/2 of 2.0-3.8 days. A non-cyclic analog with the t1/2 of 0.8 day, however, is rapidly metabolized probably through the oxidation at its thioether groups. Although the rat liver homogenate has both oxidation and hydrolysis activities, it shows predominantly the esterase activity in the absence of NADPH. In the rat liver homogenate, again, the non-cyclic analog is much more susceptible to oxidative metabolism in the presence of NADPH than, but as stable against the ester hydrolysis as the cyclic counterparts. The ester hydrolysis rates of the compounds well relate to the branching (s) at the α-position or the resulting electronic (σ*) or steric (Ecs) effects of alcoholic alkyl groups.
Journal
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- Journal of Pesticide Science
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Journal of Pesticide Science 8 (3), 327-332, 1983
Pesticide Science Society of Japan
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Details 詳細情報について
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- CRID
- 1390001205211319296
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- NII Article ID
- 110001711786
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- NII Book ID
- AN00196227
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- ISSN
- 03851559
- 13490923
- 1348589X
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- NDL BIB ID
- 2602720
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- Data Source
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- JaLC
- IRDB
- NDL
- Crossref
- NDL-Digital
- CiNii Articles
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- Abstract License Flag
- Disallowed