3-甲基-5-(2,6,6-三甲基-1-环己烯-1-基)-2,4-戊二烯基膦酸二烷基酯的合成工艺改进
Improved Method of the Synthesis of 3-Methyl-5(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienylphosphonate
摘要
β-紫罗兰酮和1-膦酸酯基-2-溴乙烷在锌存在条件下,经历偶联反应得到3-甲基-5-(2,6,6-三甲基-1-环己烯-1-基)-2,4-戊二烯基膦酸二乙酯,含量为92%,收率45%,此产物是维生素A和类胡萝卜素的重要中间体.
β-Ionone and 1-phosphonate-2-bromo-ethane underwent coupling reaction in the presence of zinc to prepare 3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienyl phosphonate,which was an important intermediate of Retinol acetate and carotenoid with a yield of 45% and content of 92%.
出处
《绍兴文理学院学报》
2012年第7期1-4,共4页
Journal of Shaoxing University
基金
国家火炬计划资助项目(2006GH020636)
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