Chinese Journal of Magnetic Resonance ›› 1989, Vol. 6 ›› Issue (1): 41-46.
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Jiao Ding, Shen Qifeng
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Abstract: The ester conformation of some synthetic pyrethroids were studied by 1H-NMR with the rule of ASIS effect of carbonyl group, We found, if pyrethroid molecule had α-CN group, the α-CN and ester C=0 were coplanar:if it had α-CH3, the α-H and ester C=0 were coplanar. Our experiments supported Hopfinger's results from calculation with molecular dynamics. Therefore, We confirmed tha the conformations of α-CN pyrethroidsin solution and orystal were different.
Key words: ASIS, Comformaticn in solution, Pyrethroids
Jiao Ding, Shen Qifeng. NMR STUDIES ON SYNTHETIC PYRETHROID PESTICIDES Ⅱ NMR STUDIES OF ESTER CONFORMATION OF PYRETHROIDS BY ASIS EFFECT[J]. Chinese Journal of Magnetic Resonance, 1989, 6(1): 41-46.
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http://magres.apm.ac.cn/EN/Y1989/V6/I1/41
