2-Ethylhexyl p methoxycinnamate was synthesized with phase transfer catalyst polyethylene glycol (PEG). The result showed that the catalytic effect of PEG400 was the best and the yield reached 75.2% .The b.p,Ms ,IR an...2-Ethylhexyl p methoxycinnamate was synthesized with phase transfer catalyst polyethylene glycol (PEG). The result showed that the catalytic effect of PEG400 was the best and the yield reached 75.2% .The b.p,Ms ,IR and HNMR spectral data indicated that the synthetic product was 2 ethylhexyl p methoxycinnamate.展开更多
A new method of synthesis of 2 methyl 1 benzyl benzimidazole starting from 2 methyl benzimdazole and benzyl bromide was reported with KF Al 2O 3 as catlyst and DMF as solution.The influence of some reaction condition ...A new method of synthesis of 2 methyl 1 benzyl benzimidazole starting from 2 methyl benzimdazole and benzyl bromide was reported with KF Al 2O 3 as catlyst and DMF as solution.The influence of some reaction condition on yield was also tested,and the optimum conditions were obtained,the molecular ratio of catlyst and 2 methyl benzimdazole and benzyl bromide 1∶1∶1 05,the reaction temperature 20-25,and the yield 70 8%.展开更多
文摘2-Ethylhexyl p methoxycinnamate was synthesized with phase transfer catalyst polyethylene glycol (PEG). The result showed that the catalytic effect of PEG400 was the best and the yield reached 75.2% .The b.p,Ms ,IR and HNMR spectral data indicated that the synthetic product was 2 ethylhexyl p methoxycinnamate.
文摘A new method of synthesis of 2 methyl 1 benzyl benzimidazole starting from 2 methyl benzimdazole and benzyl bromide was reported with KF Al 2O 3 as catlyst and DMF as solution.The influence of some reaction condition on yield was also tested,and the optimum conditions were obtained,the molecular ratio of catlyst and 2 methyl benzimdazole and benzyl bromide 1∶1∶1 05,the reaction temperature 20-25,and the yield 70 8%.
