申请人:SHIN-ETSU CHEMICAL CO., LTD.
公开号:US20160221924A1
公开(公告)日:2016-08-04
Target compounds are synthesized simply, efficiently and selectively. More specifically, provided are a method for producing (2,4,4-trimethyl-1-cyclohexene)carbaldehyde, comprising the steps of: reacting the carbonyl group of 2,4,4-trimethyl-2-cyclohexenone (1) to obtain a 2,4,4-trimethyl-2-cyclohexenylidenemethyl ether compound (2) and hydrolyzing Compound (2) to obtain the (2,4,4-trimethyl-1-cyclohexene)carbaldehyde (3); a method for producing (2,4,4-trimethyl-1-cyclohexene)methanol, comprising a step of reducing Compound (3) to obtain the (2,4,4-trimethyl-1-cyclohexene)methanol (4); and a method for producing a (2,4,4-trimethyl-1-cyclohexenyl)methyl ester compound, comprising a step of esterifying Compound (4) to obtain the (2,4,4-trimethyl-1-cyclohexenyOmethyl ester compound (5).
目标化合物简单、高效且选择性地合成。更具体地,提供了一种制备(2,4,4-三甲基-1-环己烯)甲醛的方法,包括以下步骤:将2,4,4-三甲基-2-环己烯酮(1)的羰基基团反应以获得2,4,4-三甲基-2-环己烯基甲醚化合物(2),并水解化合物(2)以获得(2,4,4-三甲基-1-环己烯)甲醛(3);一种制备(2,4,4-三甲基-1-环己烯)甲醇的方法,包括还原化合物(3)以获得(2,4,4-三甲基-1-环己烯)甲醇(4)的步骤;以及一种制备(2,4,4-三甲基-1-环己烯基)甲酸甲酯化合物的方法,包括酯化化合物(4)以获得(2,4,4-三甲基-1-环己烯基)甲酸甲酯化合物(5)的步骤。