carbenes中文什么意思

碳质沥青

亚碳化物

例句与用法

1. Research on enantioselective benzoin condensations using n - heterocyclic carbenes
   杂环卡宾催化不对称偶姻缩合研究进展
2. By using sterically hindered , electron - rich alkylphosphines and n - heterocyclic carbenes ( nhc ) , this process has encompassed a broad range of substrates including ketones , aldehydes , esters , amides , malonates , nitrocompounds , nitriles and sulfones
   随着大位阻、富电子烷基膦和氮杂环卡宾( nhc )为配体的催化体系的出现，该类反应的底物已从酮扩展到醛、酯、酰胺以及含酸性氢的化合物如丙二酸酯、硝基化合物、腈、砜等。