BOC-CIT-ONP synthesis

Yield:-

Steps:

Multi-step reaction with 2 steps
1: further educts: Boc-Val-OH, Boc-Phe-OH, Boc-D-Tyr(Et)-OH, p-nitrophenyl β-(benzylthio)-β,β-pentamethylenepropionate; solid phase method
2: 1.) sodium, 2.) potassium ferricyanide / 1.) liquid ammonia, reflux, 2.) water, pH=7, 20 min

References:

Manning;Kruszynski;Bankowski;Olma;Lammek;Cheng;Klis;Seto;Haldar;Sawyer [Journal of Medicinal Chemistry,1989,vol. 32,# 2,p. 382 - 391]