Thus, the reaction with aryl-substituted allylic carbonates is regioselective.
因此，与芳基取代的烯丙基碳酸反应选择性。
In addition, high reactivity with various nucleophiles leads to high regioselective and trans-stereospecific ring-opening products.
另外，各类亲核试剂对环氧的开环得到了区域选择性和反式的立体选择性都较高的开环产物。
Recent progress in regioselective synthesis of oligosaccharides with lightly protected glucosamine and galactose as acceptors was also outlined.
本文同时简述了用少保护的半乳糖和氨基葡萄糖为糖基受体合成寡糖的进展。
Bicyclic fused aziridines can generate regioselective ring opening reaction with various alcohols, catalyzed by slight concentrated sulfuric acid.
用醇作溶剂、微量的浓硫酸作催化剂，稠合双环氮杂环丙烷衍生物可发生区域选择性氮杂环开环反应。
A procedure for synthesizing 2, 6 dichlorophenol by chlorinating 2 chlorophenol with chlorine in the presence of the regioselective catalyst is reported.
报道一种在区域选择性催化剂存在下，以2氯苯酚直接氯化合成2,6二氯苯酚的方法。
The regioselective nitration of toluene and chlorobenzene with nitrates and supported nitrates on solid acid catalysts and supports in the presence of acetic anhydride is studied.
该文讨论了应用固体酸催化剂和载体，在醋酐存在下，采用硝酸盐和载体硝酸盐硝化甲苯和氯苯的选择性。
The regioselective nitration of toluene and chlorobenzene with nitrates and supported nitrates on solid acid catalysts and supports in the presence of acetic anhydride is studied.
该文讨论了应用固体酸催化剂和载体，在醋酐存在下，采用硝酸盐和载体硝酸盐硝化甲苯和氯苯的选择性。
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