INTERMEDIATE OF LYCOPENE AND PREPARATION METHOD OF INTERMEDIATE THEREOF

摘要

The present invention relates to an intermediate (12) of lycopene of 2,6,10-trimethyl-1,1-dialkoxyl-3,5,9-undecantriene of formula,(12) and its intermediate of 4-methyl- 5,5-dialkoxyl-1-pentenyl-1-phosphonic acid dialkyl ester of formula (10), and their preparation methods. The process route is simple, the starting materials are available easily, the cost is low, and it is valuable in industry.