Synthesis and evaluation of novel phenoxypropanolamine derivatives containing acetanilides as potent and selective beta3-adrenergic receptor agonists.

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Maruyama T, Onda K, Hayakawa M, Seki N, Takahashi T, Moritomo H, Suzuki T, Matsui T, Takasu T, Nagase I, Ohta M

Synthesis and evaluation of novel phenoxypropanolamine derivatives containing acetanilides as potent and selective beta3-adrenergic receptor agonists.

Bioorg Med Chem. 2009 May 1;17(9):3283-94. doi: 10.1016/j.bmc.2009.03.044. Epub 2009 Mar 27.

PubMed ID

19362005 [ View in PubMed

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Abstract

In the search for potent and selective human beta3-adrenergic receptor (AR) agonists as potential drugs for the treatment of obesity and noninsulin-dependent (type II) diabetes, a novel series of phenoxypropanolamine derivatives containing acetanilides were prepared and their biological activities were evaluated at the human beta3-, beta2-, and beta1-ARs. Several of the analogues (21a, 21b, and 27a) exhibited potent agonistic activity at the beta3-AR. Among the compounds described herein, the N-methyl-1-benzylimidazol-2-ylacetanilide derivative (21b) was found to be the most potent and selective beta3-AR agonist, with an EC(50) value of 0.28 microM and no agonistic activity for either the beta1- or beta2-AR. In addition, 21b showed significant hypoglycemic activity in a rodent diabetic model.

DrugBank Data that Cites this Article

Binding Properties

Drug	Target	Property	Measurement	pH	Temperature (°C)
Isoprenaline	Beta-1 adrenergic receptor	EC 50 (nM)	100	N/A	N/A	Details
Isoprenaline	Beta-3 adrenergic receptor	EC 50 (nM)	12	N/A	N/A	Details