申请人:KANEBO, LTD.
公开号:EP0039477A1
公开(公告)日:1981-11-11
A 1,3-dioxolen-2-one derivative of the general formula
wherein R, represents a hydrogen atom, a methyl group, or an aryl group, R, represents a hydrogen atom, or may be taken together with R, to form a divalent carbon chain residue, and X represents a halogen atom.
The above compound can be prepared by reacting a compound of the general formula
with a halogenating agent, and is useful as protective group-introducing reagents for introducing protective groups into reagents in various chemical reactions, or as modifiers for prodrug preparation in medicine.
通式如下的 1,3-二氧戊环-2-酮衍生物
其中 R 代表氢原子、甲基或芳基,R 代表氢原子,或可与 R 一起形成二价碳链残基,X 代表卤素原子。
上述化合物可通过将通式为
上述化合物可通过通式化合物与卤化剂反应制备,可用作保护基团引入试剂,用于在各种化学反应中向试剂中引入保护基团,或用作医药原药制备的改性剂。