泛酸钙中间体α-羟基-β,β-二甲基-γ-丁内酯合成路线概述

The Introduction About the Synthetic Processes of the Intermediary Mattir α-Hydroxyl-β,β-Dimethyl-γ-Butyrolactone of Calcium Pantothenate

本文综述了国内外生产α－羟基－β，β－二甲基－γ－丁内酯的合成方法及工艺路线。

This thesis summarizes the synthetic methods and technological processes of producing α-hydroxyl-β,β-dimethyl-γ-butyrolactone in the world,and discusses their developing prospects.