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苯醛工艺路线,并利弊,阐述了对苯磺酰氯氯化水解法优越性。

Effects of phenylsulfonyl and t - butylsulfonyl on the reduction of P - sulfonyl alcohol derivatives with Na - Hg were compared.

香族砜基和脂肪族砜基对钠-汞齐还原β-砜基醇衍生物反应影响。