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Synthesis and insecticidal evaluation of novel N-oxalyl derivatives of diacylhydrazines containing methylcarbamate moieties

✍ Scribed by Chunhui Mao; Qingmin Wang; Runqiu Huang; Li Chen; Jian Shang; Fuchun Bi

Publisher
John Wiley and Sons
Year
2005
Tongue
English
Weight
77 KB
Volume
16
Category
Article
ISSN
1042-7163

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✦ Synopsis

A series of new N-oxalyl derivatives of diacylhydrazines containing methylcarbamate moieties were synthesized by the reaction of N-oxalyl chloride of N-methylcarbmates with N-tert-butyl-N,N -diacylhydrazines in the presence of sodium hydride. The reaction of oxalyl chloride with N-tert-butyl-N, N -diacylhydrazines to yield 1,3,4oxadiazole and 4-tert-butyl-2-substituted-phenyl-4H-1,3,4-oxadiazine-5,6-dione was found, and the reaction was studied in some detail. The title compounds were evaluated for molting hormone mimicking activity. The results of bioassay showed that the title compounds exhibit moderate larvicidal activities, and toxicity assays indicated that these compounds can induce a premature, abnormal, and lethal larval molt.

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