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2011 ; 2
(10
): 768-73
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Aryltriflates as a Neglected Moiety in Medicinal Chemistry: A Case Study from a
Lead Optimization of CXCL8 Inhibitors
#MMPMID24900265
Moriconi A
; Bigogno C
; Bianchini G
; Caligiuri A
; Resconi A
; Dondio MG
; D'Anniballe G
; Allegretti M
ACS Med Chem Lett
2011[Oct]; 2
(10
): 768-73
PMID24900265
show ga
Interleukin-8 and growth related oncogene-?-chemokines (formerly CXCL8 and CXCL1,
respectively) mediate chemotaxis of neutrophils to inflammatory sites via
interactions with two transmembrane receptors, the type A CXCL8 receptor (CXCR1)
and the type B CXCL8 receptor (CXCR2). In a previous work, we published the
molecular modeling-driven structure activity relationship (SAR) results
culminated in the discovery of
R-(-)-2-[(4'-trifluoromethanesulphonyloxy)phenyl]-N-methanesulfonyl propionamide
(19), in which an unusual aryltriflate moiety was embedded. Although triflates
are broadly used in organic synthesis, this group is scarcely used in medicinal
chemistry programs. Here we detail the drug profiling-driven approach used for
the selection and characterization of 19, the most potent dual CXCR1 and CXCR2
noncompetitive inhibitor described to date. Reported data suggest that the
aryltriflate moiety might represent a valid choice for the selection of clinical
candidates with suitable druglike properties.