Bj. Kim et al., Practical synthesis of ethyl cis-4-amino-3-methoxy-1-piperidine carboxylate, a key intermediate of cisapride, SYN COMMUN, 31(7), 2001, pp. 1081-1089
A practical synthesis of ethyl cis-4-amino-3-methoxy-1-piperidinecarboxylat
e 1, a key intermediate of cisapride as a potent gastrointestinal stimulant
, has been accomplished from 1-methyl-1,2,3,6-tetrahydropyridine 2 via an e
fficient formation of eis-fused oxazolidinopiperidine 7.