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Bioorg Med Chem Lett. 1998 Jun 2;8(11):1369-74.

Asymmetric synthesis of Boc-N-methyl-p-benzoyl-phenylalanine. Preparation of a photoreactive antagonist of substance P.

Author information

1
Laboratoire de Chimie Organique Biologique associé au CNRS, Université P. et M. Curie, UMR 7613, Paris, France.

Abstract

The asymmetric synthesis of (S)-Boc-N-methyl-p-benzoyl-phenylalanine was performed by alkylation of sultam Boc-sarcosinate. The levorotatory sultam led to (S)-Boc-N-methyl amino acids with high optical purity. This photoreactive amino acid was incorporated into the sequence of a Substance P peptide antagonist. Comparison of the affinity and antagonistic properties of Biotinyl-apa-[D-Pro9, MePhe(pBz)10, Trp11]SP for human tachykinin NK-1 receptor demonstrated that this photoreactive antagonist should be a suitable tool for photolabelling studies.

PMID:
9871768
DOI:
10.1016/s0960-894x(98)00219-4
[Indexed for MEDLINE]

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