Abstract: This invention provides a series of novel heterocyclic aliphatic carboxamides of formula I in which the group >Z--Y--X< is selected from >C.dbd.CH--N<, >N--CH.dbd.C<, >C.dbd.N--N< and >N--N.dbd.C< and the other radicals have the meanings defined in the following specification. The compounds of formula I are leukotriene antagonists. The invention also provides pharmaceutically acceptable salts of the formula I compounds; pharmaceutical compositions containing the formula I compound, or their salts, for use in the treatment of, for example, allergic or inflammatory diseases, or endotoxic or traumatic shock conditions; and processes for the manufacture of the formula I compounds, as well as intermediates for use in such manufacture.

Abstract: The present invention comprises certain amide and ester derivatives of 4-substituted-cinnoline-3-carboxylic acids and 3-acyl-4-substituted-cinnoline derivatives, and their use as central nervous system (CNS) depressants.

Abstract: The invention discloses a series of difluoroketone, mono- di- and tri-peptide derivatives of formula Ia, Ib and Ic:______________________________________ (Formula set out on pages following Examples) Ia (Formula set out on pages following Examples) Ib (Formula set out on pages following Examples) Ic ______________________________________and salts thereof where appropriate, and wherein the radicals are defined hereafter in the specification. The derivatives are useful in inhibiting the action of human leukocyte elastase. There are also disclosed methods and intermediates for the manufacture of, and pharmaceutical compositions comprising, the said derivatives.

Abstract: 11-[4-[2-(2-Hydroxyethoxy)ethyl]-1-piperazinyl]dibenzo[b,f][1,4 ]thiazepine is disclosed as a neuroleptic with a much reduced incidence of side effects such as acute dystonia and dyskinesia and tardive diskinesia.

Abstract: The invention relates to selected difluoro compounds of formulae Ia, Ib and Ic ( set out hereinafter) which are useful as inhibitors of human leukocyte elastase.

Abstract: The invention concerns novel, pharmaceutically useful, amide derivatives of certain benzoheterocyclylalkanoic acids (and related tetrazoles and acylsulphonamides) of the formula I and salts thereof, wherein the radicals R.sup.1, R.sup.2, L, X, Y, Z, A.sup.1, Q, A.sup.2 and M have the meanings set out in the specification. The invention also includes pharmaceutical compositions incorporating a formula I compound or a salt thereof, a process for the manufacture of the said compound, together with intermediates for use in the latter process.

Abstract: This invention provides a series of novel keto sulfones of formula I ##STR1## in which the group .dbd.A-- is selected from .dbd.C(Ra)-- and .dbd.N-- and the other radicals have the meanings defined in the following specification.The compounds of formula I are leukotriene antagonists. The invention also provides pharmaceutically acceptable salts of the formula I compounds; pharmaceutical compositions containing the formula I compound, or their salts, for use in the treatment of, for example, allergic or inflammatory diseases, or endotoxic or traumatic shock conditions; and processes for the manufacture of the formula I compounds, as well as intermediates for use in such manufacture.

Abstract: This invention provides a series of novel hydroxamic acids of formula I which are useful as inhibitors of metalloproteases such as endopeptidases.

Abstract: The invention provides a series of novel N-carboxyalkyl-peptides of formula I which are useful as inhibitors of proteoglycanase.

Abstract: This invention relates to pyrazolo[3,4-b]pyridine amides useful as anxiolytic agents.

Abstract: Novel pyrazolo[3,4-b]pyridine lactams which are useful as anxiolytics are disclosed including methods of preparation, pharmaceutical compositions containing them and intermediates used in their preparation.

Abstract: Proline derivatives of the formulae: ##STR1## wherein R.sup.1 through R.sup.11 have defined values, and acid- and base-addition salts thereof, and equilibrium addition compounds of the aldehyde group thereof; processes for their preparation; pharmaceutical compositions; and intermediates for preparing said proline derivatives. The proline derivatives are human leukocyte elastase inhibitors which are useful, for example, in treating pulmonary emphysema.

Abstract: A guanidine derivative of the formula I: ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, ring X and D are a variety of radicals defined in the specification and A is a 3-8C alkylene chain which is substituted by a hydroxy radical and into which is optionally inserted, as part of the backbone of the chain, one or two groups selected from oxygen and sulphur atoms and NH and 1-6C N-alkyl radicals; and the pharmaceutically-acceptable acid additions salts thereof. Pharmaceutical compositions and methods of manufacture are also described. The compound of the formula I is a histamine H-2 antagonist and is therefore useful in ulcer therapy.

Abstract: Compounds of the formula (I): ##STR1## wherein R.sup.1, R.sup.3, R.sup.4, R.sup.7 and R.sup.8 are as described herein, D is oxygen, n is 1 or 2 and the physiologically acceptable salts thereof useful in reducing anxiety in an animal such as man. The compounds are potent anxiolytics having reduced side effects compared to known anxiolytics. Also pharmaceutical compositions, intermediates and methods of treatment and synthesis are described.

Abstract: Proline derivatives of the formulae: ##STR1## wherein R.sup.1 through R.sup.11 have defined values, and acid- and base-addition salts thereof, and equilibrium addition compounds of the aldehyde group thereof; processes for their preparation; pharmaceutical compositions; and intermediates for preparing said proline derivatives. The proline derivatives are human leukocyte elastase inhibitors which are useful, for example, in treating pulmonary emphysema.

Abstract: Compounds of the formula (I): ##STR1## wherein R.sup.4 is hydrogen, D is oxygen or NR.sup.6, R.sup.1, R.sup.3, R.sup.6, R.sup.7 and R.sup.8 have defined values, and n is 1 or 2 are produced by internally cyclizing a compound of the formula (XV): ##STR2## wherein R.sup.19 is a value of R.sup.1 or hydrogen and, if R.sup.19 is hydrogen, reacting the cyclization product with R.sup.1 --Br and a weak base such as potassium carbonate.

Abstract: Compounds of the formula (I): ##STR1## wherein R.sup.1, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 have defined values and the N-oxides at the 7-position of the pyrazolo[3,4-b]pyridine ring system and the pharmaceutically-acceptable acid-addition salts thereof, processes for their preparation and use, pharmaceutical compositions, and intermediates for preparing said compounds of the formula (I). The compounds of formula (I) are central nervous system depressants, for example anxiolytic agents.

Abstract: Novel tetrahydropyrazolo-[3,4-b]quinolinones, cyclopenta[b]pyrazolo-[4,3-e]pyridinones and cyclohepta[b]-pyrazolo[4,3-e]pyridinones, useful as anxiolytics having reduced side effects, are disclosed, including methods of preparation, pharmaceutical compositions containing them and intermediates used in their preparation.