(3-methoxy-2-(methoxycarbonyl)-5-methylphenyl)methanide 、
methyl (9S,10S,12R)-12-(3-methoxy-3-oxoprop-1-en-2-yl)-9,10-dihydro-9,10-ethanoanthracene-12-carboxylate 以
四氢呋喃 为溶剂,
以80%的产率得到methyl (9S,10S,12R)-12-(8-methoxy-2-(methoxycarbonyl)-6-methyl-1-oxo-1,2,3,4-tetrahydronaphthalen-2-yl)-9,10-dihydro-9,10-ethanoanthracene-12-carboxylate