Synthesis of All Diastereomers of the 2-Deoxypentoses and the 2,6-Dideoxyhexoses from 2-Phenyl-1,3-dioxan-5-one Hydrate
作者:Trond Ulven、Per H. J. Carlsen
DOI:10.1002/1099-0690(200109)2001:17<3367::aid-ejoc3367>3.0.co;2-h
日期:2001.9
All diastereomers of the 2-deoxypentoses and the 2,6-dideoxyhexoses were synthesized from 2-phenyl-1,3-dioxan-5-one hydrate (1), by alkylation via the RAMP-hydrazone (2). Some of the diastereomers were synthesized in the racemic form via the dimethylhydrazone (28). The 2-deoxypentoses were synthesized by alkylation with allyl bromide, followed by stereoselective reduction, ozonolysis, and deprotection
2-脱氧戊糖和 2,6-二脱氧己糖的所有非对映异构体均由 2-苯基-1,3-二恶烷-5-酮水合物 (1) 通过 RAMP-腙 (2) 烷基化合成。一些非对映异构体通过二甲基腙 (28) 以外消旋形式合成。2-脱氧戊糖是通过用烯丙基溴进行烷基化,然后进行立体选择性还原、臭氧分解和脱保护来合成的。2,6-二脱氧戊糖是通过烯丙基溴和甲基碘二烷基化合成的。