英文同义词:
cyclohexylmethyl 17-beta-hydroxyestra-4,9,11-trien-3-one carbonate;ESTRA-4,9,11-TRIEN-3-ONE;17β-[[(Cyclohexylmethoxy)carbonyl]oxy]estra-4,9,11-trien-3-one;trenbolone cyclohexylmethylcarbonate;4CDC WHITE CRYSTALSL STIMULANTS 4CDC 99% PURITY 4-CDC STIMULANTS;carbonic acid cyclohexylmethyl (3-keto-13-methyl-2,6,7,8,14,15,16,17-octahydro-1H-cyclopenta[a]phenanthren-17-yl) ester;cyclohexylmethyl (13-methyl-3-oxo-2,6,7,8,14,15,16,17-octahydro-1H-cyclopenta[a]phenanthren-17-yl) carbonate;Estra-4,9,11-trien-3-one,17b-hydroxy-, cyclohexylMethylcarbonate (8CI)
相关类别:
医药原料;激素类;甾体激素原料中间体;晶体类;群勃龙;药物杂质及中间体;科研出口;Steroids;Vitamin Ingredients;Steroid and Hormone;trenbolone series;Chemical properties;Pharmaceutical intermediates;Chemical and pharmaceutical intermediates;Medical research;research chemical;Pharmaceutical intermediate;Raw material chemical;4-CDC;intermediate
制备
群勃龙环己甲基碳酸酯制备如下:在搅拌和氮气气氛下,在15℃下,于0℃将3g17/3-羟基-雌二醇-4,9,11-三烯-3-酮溶解于吡啶。将温度保持在0至10摄氏度之间。缓慢加入50ml六氢苄基氯甲酸酯,然后将整个混合物温热至环境温度,搅拌2小时,然后冷却至0℃。加入三乙胺,搅拌30分钟,使温度升至环境温度,并将反应混合物倒入水/冰混合物中。将其用二氯甲烷萃取,并将有机相用水洗涤至中性,用硫酸钠干燥,并真空蒸发至干。将残余物在硅胶上进行色谱分离,用4:1的苯/乙酸乙酯混合物洗脱,并将产物从异丙醚/己烷混合物中重结晶。再次在硅胶上进行色谱分离,用苯/乙酸乙酯乙酸乙酯混合物洗脱,最后从环己烷和石油醚中重结晶,得到1.60g 群勃龙环己甲基碳酸酯。该产物以可溶于乙醇,乙醚,苯,丙酮和氯仿的棱柱形式出现,但不溶于水,稀酸和碱水溶液。