This invention relates to a novel method for the synthesis of (2E,4E,6Z,8E)-8-(3,4- dihydronaphthalen-1 (2H)-ylidene)-3,7-dimethylocta-2,4,6-trienoic acid. In particular, the invention relates to several improvements in several individual steps of the multi- step synthesis scheme
本发明涉及一种合成(2E,4E,6Z,8E)-8-(3,4-二氢
萘-1(2H)-亚基)-3,7-二甲基-2,4,6-辛
三烯酸的新方法。特别是,本发明涉及在多步合成方案中的几个单独步骤的几项改进。