摘要:
Compounds of the formula ##STR1## and the pharmaceutically acceptable salts thereof are disclosed. In these compounds, R.sup.1 is halogen, --SR.sup.4 wherein R.sup.4 is H or alkyl of 1 to 4 carbon atoms, --OCH.sub.3, --OSO.sub.2 Ar wherein Ar is phenyl or alkyl substituted phenyl wherein the alkyl group has 1 to 6 carbon atoms, --NR.sup.4 R.sup.5 wherein R.sup.4 is as defined above and R.sup.5 is H, alkyl of 1 to 4 carbon atoms, amino, alkanoyl of 1 to 8 carbon atoms, benzoyl, methoxy or hydroxy or R.sup.1 is --N(CH.sub.3).sub.3.sup.+ X.sup.-whereinX is halogen or --OSO.sub.2 Ar wherein Ar is phenyl or alkyl substituted phenyl wherein the alkyl group has 1 to 6 carbon atoms;R.sup.2 is H, alkanoyl of 1 to 8 carbon atoms or benzoyl;R.sup.3 is A or B whereinA is ##STR2## and B is ##STR3## wherein R.sup.6 and R.sup.7 are independently selected from H and ##STR4## wherein R.sup.8 and R.sup.9 are independently selected from pharmaceutically acceptable cations and H, or R.sup.6 and R.sup.7 taken together are ##STR5## wherein R.sup.10 is selected from pharmaceutically acceptable cations and H; with the proviso that R.sup.4 is not H when: R.sup.5 is H, R.sup.3 is A, and R.sup.6 and R.sup.7 are H. The compounds have anti-viral activity.
摘要:
The compound having the formula: ##STR1## has antiviral activity, specifically in the prevention or treatment of infection by retroviruses, including HIV, and immunosuppressive activity, either as a compound, pharmaceutically acceptable salt, or a pharmaceutical composition ingredient, whether or not in combination with other antivirals, immunomodulators, antibiotics or vaccines. Methods of preventing or treating viral infections and modulating immune responses in vivo are also described.
摘要:
There are disclosed certain 6-piperazinopurines and heteroaromatic derivatives thereof which have oral hypoglycemic acitivity and with such ability to lower blood sugar are useful in the treatment of type II diabetes and/or obesity with associated insulin resistance. Processes for the preparation of such compounds and compositions containing such compounds as the active ingredient thereof are also disclosed.
摘要:
Certain prodrugs such as ##STR1## are useful in the inhibition of herpes virus thymidine kinase, the prevention or treatment of recurrent infection by herpes virus, either as compounds, pharmaceutically acceptable salts, pharmaceutical composition ingredients, whether or not in combination with other antivirals, immunomodulators, antibiotics or vaccines. Methods of preventing or treating recurrent infection by herpes virus are also described.
摘要:
A process for preparing 9-substituted guanine-containing acyclonucleosides comprising selective alkylation at the 9-position of the purine by utilizing a blocking group at the 6-position.
摘要:
Disclosed are compounds of the formula: ##STR1## and the pharmaceutically acceptable salts thereof wherein R.sup.1 and R.sup.2 are independently alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl or haloalkynyl, each having 1 to 19 carbon atoms, or R.sup.2 is hydrogen; R.sup.3 is hydrogen, alkyl having 1 to 6 carbon atoms or hydroxyalkyl having 1 to 6 carbon atoms; R.sup.4 is hydrogen, halogen, amino or alkyl having 1 to 4 carbon atoms; R.sup.5, R.sup.6 and R.sup.7 are independently selected from hydrogen, hydroxy, alkyl having 1 to 6 carbon atoms, acyloxy having 1 to 8 carbon atoms, alkoxy having 1 to 6 carbon atoms, hydroxyalkyl having 1 to 6 carbon atoms, acyloxyalkyl having 1 to 12 carbon atoms, amino, alkylamino of 1 to 6 carbon atoms and --PO.sub.3.sup.=, or two of R.sup.5, R.sup.6 and R.sup.7 taken together form a group --OPO.sub.2 O.sup.- --, --CH.sub.2 OPO.sub.2 O.sup.- --, --CH.sub.2 OPO.sub.2 OPO.sub.2 O.sup.= --, or --OPO.sub.2 OPO.sub.2 O.sup.= --; A is O, S or CH.sub.2 and X is a pharmaceutically acceptable anion. The compounds have antiviral activity, especially against viruses of the herpes class.
摘要:
The present invention relates to a method for treating mammals having acquired immuno-deficiency syndrome (AIDS) or AIDS-related complex or who are infected with other retroviruses, which comprises the administration of a therapeutically effective amount of a cyclic monophosphate derivative of a purine or pyrimidine acyclonucleoside. Process for the preparation of such compounds and compositions containing such compounds as the active ingredient thereof are also disclosed.
摘要:
Compounds of structural Formula (I) and pharmacologically acceptable salts and esters thereof possess 5α-reductase inhibitory activity. These compounds inhibit 5α-reductase type 1 and type 2. The compounds of structural Formula I are useful in the systemic, including oral, and parenteral, including topical, treatment and prevention of hyperandrogenic conditions including prostatic carcinoma, benign prostatic hyperplasia, acne vulgaris, seborrhea, androgenic alopecia (also called androgenetic alopecia) which includes male- and female-pattern baldness, female hirsutism, and prostatitis. A class of compounds of the present invention are also potent antiandrogens. The present invention also relates to novel compositions containing such compounds, methods of their use and methods of their manufacture.
摘要:
The instant invention is concerned with aryl and heteroaryl oxyacetic acid type compounds which are useful antidiabetic compounds. Compositions and methods for the use of the compounds in the treatment of diabetes and related diseases and for lowering triglyceride levels are also disclosed.