- Synthesis and pharmacological evaluation of bis-3-(3,4-dichlorophenyl)acrylamide derivatives as glycogen phosphorylase inhibitors.
Synthesis and pharmacological evaluation of bis-3-(3,4-dichlorophenyl)acrylamide derivatives as glycogen phosphorylase inhibitors.
Bioorganic & medicinal chemistry (2008-08-30)
Kenichi Onda, Ryota Shiraki, Yasuhiro Yonetoku, Kazuhiro Momose, Naoko Katayama, Masaya Orita, Tomohiko Yamaguchi, Mitsuaki Ohta, Shin-Ichi Tsukamoto
PMID18723356
ABSTRACT
During our research using a high-throughput screening system for discovery of a new class of human liver glycogen phosphorylase a (hLGPa) inhibitors, a series of 3-(3,4-dichlorophenyl)acrylamide derivatives were synthesized, and their inhibitory activities toward hLGPa were evaluated. Among the derivatives, (2E,2'E)-N,N'-pentane-1,5-diylbis[3-(3,4-dichlorophenyl)acrylamide] (6c) inhibited hLGPa with an IC(50) value of 0.023 microM. An X-ray crystallographic study of the enzyme-6c complex showed that the inhibitor is bound at the dimer interface site, where the 3,4-dichlorophenyl moiety interacts hydrophobically with the enzyme.
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