Wittig chain extension of unprotected carbohydrates: formation of carbohydrate-derived α,β-unsaturated esters
作者:Craig J. Railton、Derrick L.J. Clive
DOI:10.1016/0008-6215(95)00329-0
日期:1996.2
Abstract Unprotectedcarbohydrates react with Wittig reagents 6 and 7 to give unsaturated esters. This homologation has been used to prepare an intermediate ( 18 ) previously employed in a synthesis of Kdo ( 19 ).