Transesterification of the benzyl ester protecting group during purification of a protected pentapeptide
W Zeng, B Hemmasi, E Bayer
Tetrahedron Letters | Published : 1992
Partial transesterification of the benzyl ester protecting group of the N-terminal glutamic acid residue of a protected pentapeptide during gel chromatographic purification using methanol as eluting solvent is described. © 1992.