The formal racemic synthesis of LTB4 and LTB3 methyl esters 1 and 2 is reported by introducing in a one step-procedure the E,E,Z-conjugated trienic system provided by (1E,3E,5Z)-1,6-dibromohexa-1,3,5-triene 3 and (1E,3E,5Z)-1-bromo-7,7-diethoxyhepta-1,3,5-triene 4, respectively, as building blocks.
通过一步法引入分别由(1E,3E,5Z)-1,6-二
溴六-1,3,5-
三烯 3 和(1E,3E,5Z)-1-
溴-7,7-二乙氧基庚-1,3,5-
三烯 4 组成的 E,E,Z 共轭
三烯体系,报告了 LTB4 和 LTB3 甲酯 1 和 2 的正式外消旋合成。