Four kinds of methods to synthesize o-Dichlorobenzaldehyde were introduced. the advantages of hydrolysis methods to reduce p-toluene sulfonyl chloride were discussed.

主要四种二氯苯甲醛的合成工艺路线,并比较利弊,阐对甲苯氯氯化水解法的优越性。

The title compounds containing trifluoroethoxy groups in the aryl sulfonyl rings and aroyl rings have been synthesized.

合成芳环及芳环上含有三氟乙氧的标题化合物。