烯式吡虫啉(olefin IMI)光解及其光解产物研究

doi:CNKI:SUN:NCST.0.2009-02-027

Journal of Ecology and Rural Environment ›› 2009, Vol. 25 ›› Issue (2): 103-106.doi: CNKI:SUN:NCST.0.2009-02-027

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Photolysis of Olefin IMI and Its Photolytic Products

GE Feng, SHAN Zheng-Jun, DAI Yi-Jun, CHEN Ting, YUAN Sheng

Nanjing Institute of Environmental Science,Ministry of Environmental Protection

Received:2008-12-16 Online:2009-04-25 Published:2011-04-08
Contact: DAI Yi-Jun College of Life Science,Nanjing Normal University E-mail:daiyijun90@yahoo.com.cn

Abstract

Abstract: A study was done on photic stability,photolytic dynamics and pathway of photolytic metabolism of olefin IMI.Results show that olefin IMI was stable in darkness.It decreased by 3% in concentration after having been kept in room temperature and darkness for 400 days.However in the laboratory under simulated sunlight,olefin IMI was unstable and easily degraded.Its photolytic reaction fitted the first-order kinetic equation(r>0.99),and its half life was figured out to be 4 days.Its photolytic reaction followed two pathways,either through hydroxylation into 4,5-dihydroxy IMI,which is oxidized,breaking its nitroimine pharmacophore and turned into carbonyl product,or through formation of guanidine metabolites by breaking off nitroimine group.

Key words: olefin IMI, photolysis, photolytic product

CLC Number:

X132

GE Feng, SHAN Zheng-Jun, DAI Yi-Jun, CHEN Ting, YUAN Sheng. Photolysis of Olefin IMI and Its Photolytic Products[J]. Journal of Ecology and Rural Environment, 2009, 25(2): 103-106.

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Photolysis of Olefin IMI and Its Photolytic Products

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