the Beijing Forestry University Excellent Young Scientist Fund(No.BLYX200904);National Innovation Experiment Program for University Students(No.091002234);Major State Basic Research Development Program of China(973 Program,No.2010CB732204) are gratefully acknowledged.
Sulfamic acid has been proved to be the most efficient and recyclable catalyst in carbamate synthesis from alkylamine and dialkyl carbonate.High selectivity,cost-efficiency and simple product separation were the advan...
The National Basic Research Program(973Program,Grant No.2004CB518904).
Aim To develop a novel selective protection strategy for the synthesis of ribostamycin cyclic carbamate derivatives. Methods Ribostamycin protected by carbobenzoxy group was treated with Nail, to give different protec...