Trichloroethyl group as a protecting group for sulfonates and its application to the synthesis of a disulfonate analog of the tyrosine sulfated PSGL-143− 50 peptide
AM Ali, B Hill, SD Taylor
文献索引:Hari, Anitha; Miller, Benjamin L. Organic Letters, 1999 , vol. 1, # 13 p. 2109 - 2111
... stable to acid, a key characteristic that led to a straightforward enantioselective synthesis of l-FmocPhe(p ... brine, and the organic layer was dried (Na 2 SO 4 ) and concentrated. ... The filtrate was concentrated by rotary evaporation to half the volume and cold t-butylmethyl ether was ...