Glycine → HCID 178491777, 화합물

참여 물질

반응 단계

Fmoc-Arg(Mtr)-Gly-Asp(OBut)-DPhe-NMeVal-ONa (SEQ ID NO 41) is synthesized using solid-phase Merrifield-type procedures by sequentially adding NMeVal, DPhe, Asp(OBut), Gly and Fmoc-Arg(Mtr) in a step-wise manner to a 4-hydroxymethyl-phenoxymethyl-polystyrene resin (Wang type resin) (customary Merrifield-type methods of peptide synthesis are applied as described in Houben-Weyl, l.c., Volume 15/II, Pages 1 to 806 (1974). The polystyrene resin and amino acid residues precursors are commercially available from Aldrich, Sigma or Fluka chemical companies). After completion of sequential addition of the amino acid residues, the resin is then eliminated from the peptide chain using a 1:1 mixture of TFA/dichloromethane which provides the Fmoc-Arg(Mtr)-Gly-Asp(OBut)-DPhe-NMeVal-OH product (SEQ ID NO 42). The Fmoc group is then removed with a 1:1 mixture of piperidine/DMF which provides the crude Arg(Mtr)-Gly-Asp(OBut)-DPhe-NMeVal-OH (SEQ ID NO 43) precursor which is then purified by HPLC in the customary manner.

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