期刊
CHEMOSPHERE
卷 51, 期 2, 页码 163-166出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0045-6535(02)00823-8
关键词
photochemistry; pesticide photodegradation; triadimenol; triadimefon; 9,10-dicyanoanthracene; 2,4,6-triphenylpyrylium tetrafluoroborate
The photochemical behaviour of triadimenol (1) under various conditions has been examined. Significant degradation is obtained only in the presence of electron-acceptor sensitizers as 9,10-dicyanoanthracene or 2,4,6-triphenylpyrylium tetrafluoroborate, and long irradiation times are required. 1H-1,2,4-Triazole (2), 4-chlorophenyl formate (3), 4-chlorophenol (4), 1-(4-chlorophenoxy)-3,3-dimethyl-1-(1H-1,2,4-triazol-1-yl)butan-2-one (5), 4-chlorophenyl 2,2-dimethylpropanoate (6) and 4-chlorobenzoic acid (7) were identified as photoproducts by NMR and GC-MS. (C) 2003 Elsevier Science Ltd. All rights reserved.
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