An improved synthesis for (E)-2(4-hydroxy-3-methyl-2-butenyl)-1H-isoindole-1,3(2H)-dione, an intermediate for the production of trans-zeatin, utilizes (E)-4-halo-2-methylbut-2-en-1-al or an aldehyde protected derivative thereof and an alkali metal phthalimide as starting materials.
(E)-2(
4-羟基-3-甲基-
2-丁烯基)-
1H-异吲哚-1,3(2H)-二酮是生产反
玉米素的中间体,其改进合成法是利用(E)-4-卤代-2-甲基丁-2-烯-1-醛或其醛保护衍
生物和碱
金属邻苯二甲
酰亚胺作为起始原料。