tert-Butyl thiazolidine-3-carboxylate synthesis

Yield:-

Steps:

Multi-step reaction with 3 steps
1: LiEt₃BH / tetrahydrofuran / 2 h / -78 °C
2: 63 percent / DMAP / pyridine / 1 h / Ambient temperature
3: 83 percent / triethylsilane, trimethylsilyl trifluoromethanesulfonate / 10 h / Ambient temperature

References:

Rassu;Rassu, Gloria;Zanardi;Zanardi, Franca;Cornia;Cornia, Mara;Casiraghi;Casiraghi, Giovanni [Nucleosides and Nucleotides,1996,vol. 15,# 5,p. 1113 - 1120]