HRID2046695

反应详情

EQUATION

反应方程式

HRID 2046695 的结构方程式

PROCEDURE

实验过程

7-Bromo-4-oxo-spiro[chromane-2,4′-piperidine]-1′-carboxylic acid tert-butyl ester (9.1 g, 23 mmol) was treated with methyl acrylate according to the procedure for preparation of Intermediate 1, Step B, giving (E)-3-{1′-tert-butoxycarbonyl-4-oxo-spiro[chromane-2,4′-piperidine]-7-yl}-acrylic acid methyl ester (7.07 g) as a yellow solid.