2-allyl-4-chloro-6-isopropyl-3-methylphenol 、
间氯过氧苯甲酸 、
potassium carbonate 、 (+/-)-[7-chloro-4-(trifluoromethyl)-2,3-dihydro-1-benzofuran-2-yl]methanol 、 (+/-)-(5-chloro-7-isopropyl-4-methyl-2,3-dihydro-1-benzofuran-2-yl)methanol 、
对甲苯磺酰氯 、 (+/-)-[7-chloro-4-(trifluoromethyl)-2,3-dihydro-1-benzofuran-2-yl]methyl 4-methylbenzenesulfonate 以afforded 6.71 g (69%) (±)-(5-chloro-7-isopropyl-4-methyl-2,3-dihydro-1-benzofuran-2-yl)methyl 4-methylbenzenesulfonate as a white solid的产率得到(+/-)-(5-chloro-7-isopropyl-4-methyl-2,3-dihydro-1-benzofuran-2-yl)methyl 4-methylbenzenesulfonate