Abstract:
:The ester methyl [4-[2-[(2-hydroxy-3-phenoxypropyl)amino]ethoxy]phenoxy]acetate (1) (R1 = OMe) had previously been identified as the most interesting member of a series of selective beta 3-adrenergic agonists of brown adipose tissue and thermogenesis in the rat. In vivo it acts mainly via the related acid 1 (R1 = OH). Amides have been examined to determine whether they have advantages over the ester. In particular, in the rat and dog the half-lives of amides of appropriate potency were no longer than those of the ester. The amide (S)-4-[2-[(2-hydroxy-3-phenoxypropyl)amino]ethoxy]-N-(2- methoxyethyl)phenoxyacetamide [S-27, ICI D7114] was selected as having properties consistent with a sustained-release formulation should that prove necessary. Unlike the ester it is resistant to hydrolysis in the gut lumen. Further testing of ICI D7114 has shown that in the rat, cat, and dog it stimulates the beta 3-adrenergic receptor in brown adipose tissue at doses lower than those at which it affects beta 1- and beta 2-adrenergic receptors in other tissues. Slimming effects were observed in the dog. ICI D7114 may be a selective thermogenic agent in man and may be useful in the treatment of obesity and diabetes.
journal_name
J Med Chemjournal_title
Journal of medicinal chemistryauthors
Howe R,Rao BS,Holloway BR,Stribling Ddoi
10.1021/jm00088a010keywords:
subject
Has Abstractpub_date
1992-05-15 00:00:00pages
1759-64issue
10eissn
0022-2623issn
1520-4804journal_volume
35pub_type
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