HRID2095599

反应详情

EQUATION

反应方程式

HRID 2095599 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

PROCEDURE

实验过程

In analogy to intermediate 15, (S)-4-[(S)-4-(3-chloro-4-trifluoromethyl-phenyl)-3-methyl-2-oxo-piperazin-1-yl]-5-methoxy-pentanoic acid (61% ds) (intermediate 45) and 1.1 eq. of (S)-6-aza-spiro[2.5]octan-4-ol; hydrochloride (intermediate 2) gave after flash chromatography (SiO2, n-heptane/isopropanol 1:1) the titled compound in 30% yield (90% ds) as off-white waxy solid. MS: 532.22 (MH+, 1Cl).