Synthesis and insecticidal activity of α substituted (3 phenoxy) benzaldehyde O (methyl carbamoyl) oxime were studied.The products were characterized by IR, 1HNMR and elemental analysis.The experimental findings of i...Synthesis and insecticidal activity of α substituted (3 phenoxy) benzaldehyde O (methyl carbamoyl) oxime were studied.The products were characterized by IR, 1HNMR and elemental analysis.The experimental findings of insecticidal activity demonstrated that these compounds have the notable effect on the Aphis medicaginis Koch.展开更多
The kinetic behaviors of Wittig Horner reaction between α naphthylmethyl dibutyl phosphate and substituted benzaldehydes have been investigated.The mechanism of the reaction is discussed on the basis of the rate cons...The kinetic behaviors of Wittig Horner reaction between α naphthylmethyl dibutyl phosphate and substituted benzaldehydes have been investigated.The mechanism of the reaction is discussed on the basis of the rate constant k,Hammett ρ,correlative coefficient r,ΔS ≠.The yields of the competing reactions between benzaldehyde and p nitrobenzaldehyde and lihewis studied by the way..展开更多
文摘Synthesis and insecticidal activity of α substituted (3 phenoxy) benzaldehyde O (methyl carbamoyl) oxime were studied.The products were characterized by IR, 1HNMR and elemental analysis.The experimental findings of insecticidal activity demonstrated that these compounds have the notable effect on the Aphis medicaginis Koch.
文摘The kinetic behaviors of Wittig Horner reaction between α naphthylmethyl dibutyl phosphate and substituted benzaldehydes have been investigated.The mechanism of the reaction is discussed on the basis of the rate constant k,Hammett ρ,correlative coefficient r,ΔS ≠.The yields of the competing reactions between benzaldehyde and p nitrobenzaldehyde and lihewis studied by the way..
