Synthesis and antiinflammatory activity of cis- and trans-6,6a,7,8,9,10,10a,11-octahydro-11-oxodibenzo[b,e]thiepinacetic and -oxepinacetic acids.

Abstract:

:A series of cis- and trans-6,6a,7,8,9,10,10a,11-octahydro-11- oxodibenzo[b,e]thiepinacetic acids (6-9) and -oxepinacetic acids (10-13) were prepared and their antiinflammatory activity was examined in the rat carrageenan hind paw edema test. The antiinflammatory activity of these compounds depended on their stereochemical features (C6a, C10a, and C2'). The 6a,10a-trans compounds exhibited considerable antiinflammatory activity, whereas the 6a,10a-cis compounds were inactive. Among the trans compounds, 6,6a,7,8,9,10,10a,11-octahydro-11-oxodibenzo[b,e]thiepin-3-p ropionic acid (9a) and its oxepin analogue (13a) showed an antiinflammatory activity superior to that of indomethacin. The phenethyl ester (25) of 9a showed potent antiinflammatory activity, and its safety index (UD50/ED50) was over 14 times higher than that of indomethacin. The phenethyl ester (25) is the most favorable compound with high antiinflammatory activity and little ulcerogenicity.

journal_name

J Med Chem

authors

Kurokawa M,Uno H,Nakamura H,Sato F,Naruto S

doi

10.1021/jm00164a006

subject

Has Abstract

pub_date

1990-02-01 00:00:00

pages

504-9

issue

2

eissn

0022-2623

issn

1520-4804

journal_volume

33

pub_type

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