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Synergists in pyrethrum. III. N-Substituted 4-cyclohexene-1,2-dicarboximides and their 4-chloro derivatives

M. Furdík, V. Sutoris, J. Drábek, and S. Pospíšilová

Komensky University, Bratislava

 

Abstract: The effect of structural changes at the chosen group on the synergistic insecticidal value was studied. By diene synthesis of butadiene or of chloroprene with corresponding N-alkylmaleimides the following were prepd.: N-methyl-, m. 67°, N-ethyl-, b10 128°, N-isopropyl-, m. 26°, b11 67°, N-allyl-, b12 134°, and N-phenyl-4-cyclohexene-1,2-dicarboximide, m. 115°, and N-methyl-, m. 61°, N-ethyl-, m. 113-15°, b0.75 95°, N-isopropyl-, m. 85°, N-allyl-, m. 33°, b14 193°, and N-phenyl-4-chloro-4-cyclohexene-1,2-dicarboximide, m. 101°. These compds., compared with analog compds. with an endomethylene bridge, prepd. from cyclopentadiene, are 1/2 as effective as synergistic insecticides in the mixt. with pyrethrum on Musca domestica. They are 30-40% less effective than the compds. with an endoxo bridge prepd. from furan, and about the same as the compds. with an endoethylene bridge prepd from cyclohexadiene.

Full paper in Portable Document Format: 1310a581.pdf (in Slovak)

 

Chemical Papers 13 (10) 581–587 (1959)

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