羰基保护基团的新进展何敬文.pdf

2007 27 Vol. 27, 2007 5 , 576586 Chinese Journal of Organic Chemistry No. 5, 576586 ·· a *,b (a 255314) (b 200032) () . ; (); (); () Recent Progress in Protecting Groups for Carbonyl Groups HE, Jing-Wena WU, Yi-Kang*,b a ( Zhibo Vocational Institute, Zhibo 255314) (b State Key Laboratory of Bioorganic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032) Abstract The conditions/reagents for protecting carbonyl groups as acetals, thioacetals and oxothioacetals as well as the corresponding deprotection processes published during the period ofare briefly surveyed. Some examples of the inter-conversions between the three types of protecting groups are also given. Keywords carbonyl group; acetal; thioacetal; oxothioacetal , [1] , , , . , . . () . ), . , . 1 () , , () , . . , * E-mail: yikangwu@mail.sioc.ac.cn Received January 4, 2007; revised and accepted March 2, 2007. (Nos. 20025207