HRID1919427

反应详情

EQUATION

反应方程式

HRID 1919427 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

PROCEDURE

实验过程

Following the general procedure for the preparation of azides of Description 16, 11.0 g of a mixture of (ethoxycarbonyloxy)ethyl (2R)-4-[(3-chloropropyl)sulfonyloxy]-3,3-dimethyl-2-(phenylmethoxy)butanoate (32a) and (3R)-4,4-dimethyl-3-(phenylmethoxy)-3,4,5-trihydrofuran-2-one (1) dissolved in 100 mL of anhydrous dimethyl sulfoxide (DMSO) was reacted with 2.4 g (37 mmol) of sodium azide (NaN3). After work-up, the crude title compound (32b) was obtained and used in the next step without further purification. MS (ESI) m/z 524.07 (M+Na)+.