Anthranilic acid based CCK1 receptor antagonists: preliminary investigation on their second "touch point".

Abstract:

:In this phase of structure-affinity relationship study of VL-0395, a new anthranilic acid based CCK1 selective antagonist, we propose a series of unnatural aminoacidic derivatives. The result of this work is the identification of a new CCK ligand, which possesses an affinity (IC50 = 35 nm) one order of magnitude greater than the lead and, as a general rule, it points out how the hypothesized receptorial pocket which accommodates the Phe residue allows much more structural modification than that interacting with the N-terminal group. Hence, the modification of the C-terminal pharmacophoric group of our lead VL-0395 can not only enhance the affinity of anthranilic acid derivatives but can modulate the selectivity for one CCK receptor subtype or afford mixed antagonists.

journal_name

Eur J Med Chem

authors

Varnavas A,Lassiani L,Valenta V,Mennuni L,Makovec F,Hadjipavlou-Litina D

doi

10.1016/j.ejmech.2005.01.002

subject

Has Abstract

pub_date

2005-06-01 00:00:00

pages

563-81

issue

6

eissn

0223-5234

issn

1768-3254

pii

S0223-5234(05)00003-6

journal_volume

40

pub_type

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