The inversion reaction of hydroxy lamine was investigated by using the ab initiointrinsic reaction coordinate(IRC)method with 4-31G basis set.Our results indicate
The composite ZSM—5 zeolite/vermiculite catalyst,in which tiny ZSM—5 zeolite parti-cles embedded in the vermiculite substrate,has been synthesized by hydrothe
Comparative experiments show that ultrasonic irradiation reduces thereaction times and improves the yields in the di-alkylation and cyclo-di-alkylationof ethyl
Enantiomers of a-substituted-(2-pyridyl)-methylarfdnes uere separated on SC-7 gas chromatograph with a 20m×0.25mm Chirasil-Val capIlary column,Carrier gas