(-)-[1,2,3,4,4a,9b-hexahydro-1,4a,9b-trimethyl-1,4-methanodibenzofuran-8-yl]carboxylic acid 以
氯仿 为溶剂,
以results in the laevorotatory enantiomer 13 exhibiting the same physicochemical characteristics as those of the enantiomer 12的产率得到(+)-4-[(1,2,3,4,4a,9b-Hexahydro-1,4a,9b-trimethyl-1,4-methanodibenzofuran-8-yl)carbonyloxy]benzoic acid