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

主要介绍四苯甲醛的工艺路线,并比较利弊,阐对甲苯磺酰化水解法的优越性。

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

芳磺酰基环及芳酰基环上含有三氟乙氧基的标题化物。