METHOD OF OBTAINING /ALPHA(4-METHOXYPHENYL)-2-HYDROXY-ACETOPHENON-4-IL/-O-BETA-D-TETRA-O-ACETYLGLUCOPYRANOZIDE

摘要

the invention u043au0430u0441u0430u0435u0442u0441u00a0 u0433u043bu0438u043au043eu0437u0438u0434u043eu0432, in particular u043fu043eu043bu0443u0447u0435u043du0438u00a0 [- (4 - u043cu0435u0442u043eu043au0441u0438u0444u0435u043du0438u043b) - 2 - u0433u0438u0434u0440u043eu043au0441u0438u0430u0446u0435u0442u043eu0444u0435u043du043eu043d - 4 - yl) - on - a - d -, tetra - u0430u0446u0435u0442u0438u043bu0433u043bu044eu043au043eu043fu0438u0440u0430u043du043eu0437u0438u0434u0430 - u043fu043eu043bu0443u043fu0440u043eu0434u0443u043au0442u0430 u0434u043bu00a0 synthesis the below is u043eu043du043eu043du0438u043du0430 in the standardization of plant u0441u044bu0440u044cu00a0 in the production of drugs. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - the way trust product and simplify the process.the last is the reaction u0430u0446u0435u0442u043eu0431u0440u043eu043cu0433u043bu044eu043au043eu0437u044b c - [4 - u043cu0435u0442u043eu043au0441u0438u0444u0435u043du0438u043b] - 2.4 - u0434u0438u0433u0438u0434u0440u043eu043au0441u0438u0430u0446u0435u0442u043eu0444u0435u043du043eu043du043eu043c in the presence of tertiary c1 - 4 - u0430u043bu043au0438u043bu0430u043cu0438u043du0430 in environment CHCL3 or toluene with 64 - 100u0441. better in the use of triethylamine. these u0443u0441u043bu043eu0432u0438u00a0 u043fu043eu0437u0432u043eu043bu00a0u044eu0442 improve the way the trust product, 20 to 40 - 61% while reducing the time of from 24 to 2 to 5 hours. 1, z. s - lu.