甲醇液相氧化羰基化法是人们最早研究的非光气法d MC合成工艺，也是众多DMC合成方法中成本最低、最经济的工业路线。

The oxidative carbonylation of methanol route is one of the earliest phosgene-free synthetic routes of DMC, and it also contains the virtue of low cost which made it more economical.

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甲醇氧化羰化羰化法是合成dmc的一种新工艺路线，该工艺与传统的光气法工艺相比，具有工艺流程简单、无三废污染及生产成本低等优点。

Compare to the traditional phosgene process, synthesis of DMC by oxidative carbonylation of methanol is more favorable because of its simple, environmental benign and cost-effective characters.

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用二（三氯甲基）碳酸酯（BTC）代替光气，“一锅法”合成了8种取代脲类除草剂，产物结构经元素分析、IR确证。

Eight substituted ureas herbicides were synthesized with bis(trichloromethyl) carbonate(BTC). The production structures were identified by elemental analysis and IR.

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