作者:Renzo Rossi、Adriano Carpita、M.Grazia Quirici
DOI:10.1016/s0040-4020(01)98966-5
日期:1981.1
(9Z, 11E) - 9,11 - tetradecadien - 1 - yl acetate (3), a sex pheromone component of Spodoptera littoralis, has been prepared (in 30.2% overall yield) by reaction of 10 - (2 - tetrahydropyranyloxy) - 1 - decynylamagnesium bromide with (E)-1-iodo-1-butene, in the presence of a Pd (O) catalyst, followed by acetylation of the crude product and by (Z)-stereoselective reduction of the obtained (E)-enyn-1-yl
通过以下反应方案制备了纯的(7E,9Z-7,9-十二碳烯基-1-基乙酸酯(1),即Lobesia botrana的性信息素),总收率为21.6%。E)-在Pd(O)催化剂和碱的存在下,带有1-溴-1-丁炔的8-(2-四氢吡喃氧基)-1-辛烯基二亚氨基硼烷;(ii)该反应粗产物的乙酰化;( iii)所述(ž)-stereoselective还原得到的共轭(共ë)-enyn -1-基乙酸酯(ê)-9,11十二碳二烯-1-基乙酸酯(2),的性信息素组分Diparopsis 板栗,通过(E的交叉偶联)类似地获得(总产率为54.3%)-在Pd(O)催化剂和碱的存在下,用乙烯基溴化物制得10-(2-四氢吡喃氧基)-1-癸烯基硼烷,然后将粗产物乙酰化。通过SiO 2 -AgNO 3上的柱色谱法纯化化学纯度为87.7%的化合物2 。化学纯(9 Ž,11 ë) - 9,11 - tetradecadien -