The water soluble amphiphilic cholesteryl-bearing carboxymethylcellulose sodium derivative (CCSD) was first synthesized with the help of coupling agent and catalyst at room temperature.
首次合成出水溶性两亲性含胆固醇基的羧甲基纤维素钠衍生物(CCSD)。
The new catalyst works at room temperature, in neutral pH water, and is easy to set up, Nocera said.
Nocera说，这个新的催化剂工作在中性pH和室温条件下，而且容易使用。
A simple method for preparing m -cresol from m -toluidine via diazonium salt at room temperature using copper salt as a catalyst is proposed.
提出一种以间甲苯胺为原料，在铜盐催化室温条件下，经重氮盐制备间甲苯酚的简单方法。
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