9.The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.
12.(-)-Methyl mandelate was produced by asymmetric reduction of methyl benzoylformate catalyzed by Saccharomyces cerevisiae LH1 screcned by our laboratory.
16.This article describes property, production and comprehensive manufacturing status of methyl chlorsilane, and the application and market status of derivate.
17.Objective:To explore the effects of Tripterygium wilfordii dilayer tablet on the the leukocytoplania of pleurisy caused by carboxy methyl cellulose.
19.Trimethylaluminum(TMA),usually used in organic catalysis and organic synthesis,was synthesized by reaction of triethylaluminium (TEA) with methyl bromide on iron-stibonium complex catalyst.