(2,3,4-trimethoxy-6-methylphenyl)(2,6-dichloro-4-trifluoromethyl-pyridin-3-yl)methanol 在
manganese dioxide
甲苯 作用下,
以
甲苯 为溶剂,
反应 6.0h,
以to obtain 4.4 g (yield 81%) of 3-(2,3,4-trimethoxy-6-methylbenzoyl)-2,6-dichloro-4-trifluoromethylpyridine (compound No. 3; m.p. 81-83° C.)的产率得到3-(2,3,4-trimethoxy-6-methylbenzoyl)-2,6-dichloro-4-trifluoromethylpyridine