9-hydroxy-7-(3-methyl-2-octyl)-2,2,4,4-tetramethyl-1,2,3,4,-tetrahydrocyclopenta[c][1]-benzopyran 、
4-(4-吗啉基)丁酸盐酸盐 在
7-(3-methyl-2-octyl)-9-[4-morpholino)-butyryloxy 作用下,
以to produce 7-(3-methyl-2-octyl)-9-[4-morpholino)-butyryloxy]-2,2,4,4-tetramethyl-1,2,3,4-tetrahydrocyclopenta[ c][1]benzopyran hydrochloride的产率得到2,2,4,4-Tetramethyl-1,2,3,4-tetrahydrocyclopenta[c][1]benzopyran hydrochloride