Abstract: The present invention relates to an automated format for the yeast two hybrid assay for protein-protein interactions.

Abstract: An improved process for the synthesis of (3S)-tetrahydro-3-furyl N-[(1S,2R)-3 -(4-amino-N-isobutylbenzenesulphonamido)-1-benzyl-2-hydroxypropyl]carbamate comprising four steps form the compound of formula A and a novel intermediate thereto.

Abstract: A process for the preparation of carbocyclic stereoisomers of formulae (I), (I'), (IIA'), (IIB'), (VA') and (VB'), including enantiomerically pure (IIA'), (I) and (I') utilizing fractional crystallization of salts formed with a chiral base; a reducing agent; a protecting group removing agent or a protecting group providing agent.

Abstract: A pharmaceutical composition and a method of inhibiting human immunodeficiency virus (HIV) is disclosed which comprises administering to an HIV infected patient a homogenous combination of lamivudine, zidovudine and a pharmaceutical glidant in an amount which achieves antiviral efficacy.

Abstract: Synergistic combinations of nucleoside derivatives, pharmaceutical formulations containing said combinations and use of the combinations in the treatment of retroviral infections are disclosed.

Abstract: A process for the preparation of a compound of formula (III) ##STR1## by hydrolyzing a compound of formula (I) or (II) ##STR2## wherein R.sup.1 and R.sup.2, which may be the same or different, are selected from C.sub.1-8 alkyl, C.sub.3-8 cycloalkyl, and optionally substituted aryl, in the presence of acid at a pH above 2.0.

Abstract: The present invention relates to pharmaceutical formulations containing (2R, cis)-4-amino-1-(2-hydroxymethyl-1,3-oxathiolan-5-yl)-(1H)-pyrimidin-2 -one (-)-2',3'-dideoxy,3'-thiacytidine, lamivudine, that are substantially free of ethanol and ethylenediamine-tetraacitic acid, and their use in medical therapy.

Abstract: The present invention relates to intermediates for the preparation of sulphonic acid salts of 4-amino-2-cyclopentane-1-carboxylic acid.

Abstract: The present invention is related to a process of making of 2,6-diaminopurines wherein the 6-amino group is substituted by R.sup.4 and R.sup.5, by reacting a compound of formula (VI) ##STR1## with an excess of amine NHR.sup.4 R.sup.5.

Abstract: The present invention relates to a process for the preparation of 2,5-diamino-4,6-dichloropyrimidine.

Abstract: Treatment of animals or humans carrying or infected with HTLV-I, HTLV-I (including HTLV-I-associated leukemias or lymphomas), non-A, non-B hepatitis virus, hepatitis B virus, EBV, equine infectious anaemia or other lentiviruses or having antibodies to said viruses is disclosed using the compound 3'-azido-3'-deoxythymidine or a pharmaceutically acceptable basic salt thereof.Also disclosed is the use of the 5'-mono-, di- and triphosphate of 3'-azido-3'-deoxythymidine or a pharmaceutically acceptable basic salt thereof for the same purpose.

Abstract: A method of treating AIDS with 3'-azido-3'-deoxythymidine in combination with interleukin II or phosphonoformate is presented.

Abstract: The present invention relates to certain purine nucleoside analogues containing a carbocyclic ring ill place of trip sugar residue, salts, esters and pharmaceutically acceptable derivatives thereof, processes for there preparation, pharmaceutical formulations containing them, and to the use of such compounds in therapy, particularly the treatment of or prophylaxis of certain viral infections.

Abstract: 6-Alkoxy derivatives of Ara-G, and pharmaceutically acceptable esters thereof, are described as being useful in tumor therapy. Novel pharmaceutically acceptable esters, their preparation and pharmaceutical formulations containing them are also disclosed.

Abstract: The present invention relates to certain purine nucleoside analogues containing a carbocyclic ring in place of the sugar residue, salts, esters and pharmaceutically acceptable derivatives thereof, processes for their preparation, pharmaceutical formulations containing them and to the use of such compounds in therapy, particularly the treatment or prophylaxis of certain viral infections.

Abstract: 6-Alkoxy derivatives of Ara-G, and pharmaceutically acceptable esters thereof, are described as being useful in tumour therapy. Novel pharmaceutically acceptable esters, their preparation and pharmaceutical formulations containing them are also disclosed.

Abstract: Treatment of AIDS or humans carrying or infected with the AIDS virus or having antibodies to the AIDS virus is disclosed using the compound 3'-azido-3'-deoxythymidine or a pharmaceutically acceptable basic salt thereof. Also disclosed is the use of the 5'-mono-, di- and triphosphate of 3'-azido-3'-deoxythymidine or a pharmaceutically acceptable basic salt thereof for the same purpose. Additionally, there is disclosed the treatment of Kaposi's sarcoma with 3'-azido-3'-deoxythymidine (AZT) and the synergistic activity in the treatment of humans infected with HTLV-III of AZT and interferon as well as AZT and acyclovir and AZT and 2-amino-9-(2-hydroxyethoxymethyl)purine or an ester thereof.

Abstract: 2',3'-Dideoxy-3'-fluoro-(B-D-ribofuranosyl) purine nucleosides possessing the ability to inhibit hepatitis B and HIV viral infections.

Abstract: Treatment of animals or humans carrying or infected with HTLV-I, HTLV-I (including HTLV-I-associated leukemias or lymphomas), non-A, non-B hepatitis virus, hepatitis B virus, EBV, equine infectious anaemia or other lentiviruses or having antibodies to said viruses is disclosed using the compound 3'-azido-3'-deoxythymidine or a pharmaceutically acceptable basic salt thereof. Also disclosed is the use of the 5'-mono-, di- and triphosphate of 3'-azido-3'-deoxythymidine or a pharmaceutically acceptable basic salt thereof for the same purpose.

Abstract: The present invention relates to certain purine nucleoside analogues containing a carbocyclic ring in place of the sugar residue, salts, esters and pharmaceutically acceptable derivatives thereof, processes for their preparation, pharmaceutical formulations containing them and to the use of such compounds in therapy, particularly the treatment or prophylaxis of certain vital infections.