1265829-16-0

Upstream product

• 1265828-97-4 2-[2-oxo-2H-6-(4-methoxyphenoxy)acenaphthylen-1-ylidene]malononitrile 
• 1265828-83-8 5-(4-methoxyphenoxy)acenaphthenequinone 
• 26254-35-3 5-bromoacenaphthylene-1,2-dione 
• 82-86-0 acenaphthene quinone 

Relevant academic research and scientific papers

3-Thiomorpholin-8-oxo-8 h -acenaphtho[1,2- b ]pyrrole-9-carbonitrile (S1) based molecules as potent, dual inhibitors of B-cell lymphoma 2 (Bcl-2) and myeloid cell leukemia sequence 1 (Mcl-1): Structure-based design and structure-activity relationship studies

We recently described the discovery of a dual inhibitor of Bcl-2 and Mcl-1, 3-thiomorpholin-8-oxo-8H-acenaphtho[1,2-b]pyrrole-9-carbonitrile (3, S1). Here we report a structure-guided design in combination with structure-activity relationship studies to exploit the difference in the p2 binding pocket of Bcl-2 and Mcl-1, from which a novel dual inhibitor 3-(4-aminophenylthio)-8-oxo-8H- acenaphtho[1,2-b]pyrrole-9-carbonitrile (6h) was obtained, which showed significant enhanced IC50 value against Mcl-1 (5 nM), greater Mcl-1/Bak disruption potential, and accordingly a 10-fold increased cytotoxicity over 3.

Probing the difference between BH3 groove of Mcl-1 and Bcl-2 protein: Implications for dual inhibitors design

Based on our previous discovery of a dual inhibitor of Mcl-1 and Bcl-2, 3-thiomorpholin-8-oxo-8H-acenaphtho[1,2-b]pyrrole-9-carbonitrile (1, S1), and guided by structure insight of 1 complex with Mcl-1 and Bcl-2, we exploited the spatial orientation of BH3 groove of the two proteins by a series of analogues of 1. These analogues contain substitutes with various steric hindrance designed to explore the width and length of the p2 pocket. The structure-activity relationships (SARs) studies together with docking studies and cell-based assays proved that the p2 pocket of Mcl-1 is relatively wider and shorter than that of Bcl-2. A novel dual inhibitor 6 was obtained based on these new findings that it exhibited nanomalar affinities toward Mcl-1 and Bcl-2, as well as nanomalar cytotoxicity activity against multiple cancer cell lines.