반응 #51347

ord-5cd8391a6c5340d0b17c3743d90b092e

반응 조건

상세 조건
See reaction.notes.procedure_details.

후처리

  1. 1
    기타The reaction was monitored by tlc on silica gel (Rf=0.6 in 33% ethyl acetate/hexanes) and purification
  2. 2
    추출was by extraction with Et2O

실험 절차

Following General Procedure BB and using 4-methylphenylacetic acid (Aldrich) and D,L-alanine iso-butyl ester hydrochloride (from Example BB above), the title compound was prepared as a solid having a melting point of 102°-104° C. The reaction was monitored by tlc on silica gel (Rf=0.6 in 33% ethyl acetate/hexanes) and purification was by extraction with Et2O followed by washes with aqueous K2CO3 and aqueous HCl.

출처

DOI: 10.6084/m9.figshare.5104873.v1특허: US06849650B2uspto-grants-2005_02