Journal of Medicinal Chemistry p. 1887 - 1897 (1992)
Update date:2022-08-06
Topics:
Klunder, Janice M.
Hargrave, Karl D.
West, MaryAnn
Cullen, Ernest
Pal, Kollol
et al.
Dibenz<1,4>oxazepin-11(10H)-ones (III), pyrido<2,3-b><1,4>benzoxazepin-6(5H)-ones (IV), and pyrido<2,3-b><1.5>benzoxazepin-5(6H)-ones (V) were found to inhibit human immunodeficiency virus type 1 reverse transcriptase with IC50 values as 19 nM.A-ring substitution has a profound effect on activity, with appropriate substituents at the positions ortho and para to the lactam nitrogen providing dramatically enhanced potency.Substitution in the C-ring is generally neutral or detrimental to activity.Although a C-ring amino substituent at the position meta to the lactam carbonyl is generally beneficial to activity, it has essentially no effect when the A-ring is optimally substituted.Like the dipyridodiazepinone nevirapine, compounds III-V are specific for HIV-1 RT, exhibiting no inhibitory activity against HIV-2 RT or other virial reverse transcriptase enzymes.
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