Hypolipidemic 2-[4-(1,1-dimethylethyl)phenyl]-4H-3,1-benzoxazin-4-ones. Structure-activity relationships of a novel series of high-density lipoprotein elevators.

Abstract:

:The preparation and plasma lipid altering characteristics of a series of 4H-3,1-benzoxazin-4-ones are described. Hypocholesterolemic, hypotriglyceridemic, and high-density-lipoprotein elevating properties are found for derivatives bearing a 4-(1,1-dimethylethyl)phenyl group at the 2-position, and this activity is displayed in both hypercholesterolemic and in normolipidemic rats when the ring system is substituted at position 6 with hydrogen, methyl, chloro, or iodo groups, and is optimal when the 6-position is substituted by a bromine atom. Evidence is presented suggesting that a metabolite or degradation product is responsible for the changes in lipoprotein concentration observed with active molecules of this type. Synthesis of anticipated degradation products of the active molecules gave products displaying the expected in vivo activity, but no improvement in the narrow therapeutic margin of the best compound, 6-bromo-2-[4-(1,1-dimethylethyl)phenyl]-4H-3,1-benzoxazin-4-one, was obtained.

journal_name

J Med Chem

authors

Fenton G,Newton CG,Wyman BM,Bagge P,Dron DI,Riddell D,Jones GD

doi

10.1021/jm00121a047

subject

Has Abstract

pub_date

1989-01-01 00:00:00

pages

265-72

issue

1

eissn

0022-2623

issn

1520-4804

journal_volume

32

pub_type

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