Synthesis and structure-activity relationships of a novel and selective bone morphogenetic protein receptor (BMP) inhibitor derived from the pyrazolo[1.5-a]pyrimidine scaffold of dorsomorphin: the discovery of ML347 as an ALK2 versus ALK3 selective MLPCN

Abstract:

:A structure-activity relationship of the 3- and 6-positions of the pyrazolo[1,5-a]pyrimidine scaffold of the known BMP inhibitors dorsomorphin, 1, LDN-193189, 2, and DMH1, 3, led to the identification of a potent and selective compound for ALK2 versus ALK3. The potency contributions of several 3-position substituents were evaluated with subtle structural changes leading to significant changes in potency. From these studies, a novel 5-quinoline molecule was identified and designated an MLPCN probe molecule, ML347, which shows >300-fold selectivity for ALK2 and presents the community with a selective molecular probe for further biological evaluation.

journal_name

Bioorg Med Chem Lett

authors

Engers DW,Frist AY,Lindsley CW,Hong CC,Hopkins CR

doi

10.1016/j.bmcl.2013.03.113

subject

Has Abstract

pub_date

2013-06-01 00:00:00

pages

3248-52

issue

11

eissn

0960-894X

issn

1464-3405

pii

S0960-894X(13)00441-1

journal_volume

23

pub_type

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