Journal of Medicinal Chemistry p. 1492 - 1495 (1982)
Update date:2022-08-04
Topics:
Green, Michael J.
Tiberi, Robert L.
Friary, Richard
Lutsky, Barry N.
Berkenkoph, Joseph
et al.
1,3-Dipolar cycloaddition of N-methylnitrone, N-benzylnitrone, and pyrroline N-oxide to 1,4,16-pregnatriene-3,20-diones is described.In each case only <16α,17α-d>isoxazolidines were isolated.The pentacyclic adducts 16-19 were active topical antiinflammatory agents in mice, with 18 being more potent than any of the standard compound tested.The hexacyclic adduct 20 was inactive in this assay.
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Doi:10.1021/om00073a011
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(1967)
