The journal of peptide research : official journal of the American Peptide Society, 53(5), 554-559 (1999-07-29)
This study describes the synthesis and some pharmacological properties of three new analogs of arginine vasopressin (AVP) substituted in position 3 with (R)-alpha-hydroxymethylphenylalanine ([R]-HmPhe). All new peptides were tested for vasopressor and antidiuretic as well as uterotonic activity. None of
International journal of peptide and protein research, 44(5), 457-465 (1994-11-01)
A convenient enantioselective synthesis of p-hydroxymethyl-L-phenylalanine was developed which produces a 4/1 ratio of L/D enantiomers resulting from a chiral phase-transfer-catalyzed alkylation. This amino acid was coupled into the p56(1)ck tyrosine kinase substrate Ac-Leu-Pro-Tyr-Ala-NHCH3 as a replacement for Tyr and
To evaluate the role of aromatic amino-acids residues, four analogues of the mu-selective opioid peptide agonist DALDA (H-Tyr-D-Arg-Phe-Lys-NH2) containing the amphiphilic, a,a-disubstituted amino acid (R)- or (S)-alpha-hydroxymethyltyrosine (HmTyr) in position 1 and (R)- or (S)-alpha-hydroxymethylphenylalanine (HmPhe) in position 3 of
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