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

主要介绍了四种二氯甲醛的合成工艺路线,利弊,阐了对甲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.

合成了芳基环及芳基环上含有三氟乙氧基的标题化合物。