Chiral Pool Synthesis of N-Cbz-cis-(3R,4R)-3-methylamino-4-methylpiperidine from L-Malic acid
作者:Bao-Yu Hao、Jin-Qiang Liu、Wei-Han Zhang、Xin-Zhi Chen
DOI:10.5012/bkcs.2013.34.5.1371
日期:2013.5.20
A new synthetic route to N-Cbz-cis-(3R,4R)-3-methylamino-4-methylpiperidine, key intermediate for CP-690,550, was disclosed with L-malic acid as the chiral pool starting material. The title compound was obtained in 16 steps with a total yield of 26% and more than 98% ee.
一种合成N-Cbz-顺-(3R,4R)-3-甲基氨基-4-甲基哌啶的新路线被揭示,以L-苹果酸作为手性池起始原料。该目标化合物经过16步反应,总产率为26%,并且具有超过98%的ee值。