4-Hydroxy-benzopyran-2-ones and 4-hydroxy-cycloalkyl [B] pyran-2-ones useful for treating infections due to hiv and other retroviruses

摘要

PCT No. PCT/US94/00938 Sec. 371 Date Aug. 4, 1995 Sec. 102(e) Date Aug. 4, 1995 PCT Filed Feb. 3, 1994 PCT Pub. No. WO94/18188 PCT Pub. Date Aug. 18, 1994The present invention relates to compounds of formula I which are 4-hydroxy-benzopyran-2-ones and 4-hydroxy-cycloalkyl[b]pyran-2-ones useful for inhibiting a retrovirus in a mammalian cell infected with said retrovirus. I Wherein R10 and R20 taken together are: II III