摘要:
The invention relates to heterocyclic derivatives having antibacterial activity, to processes for their preparation, to compositions containing them, and to their medicinal uses. The derivatives according to the invention have the following general formula: ##STR1##
摘要:
Compounds of the general formula (I) ##STR1## in which: R.sub.1 represents a hydroxyl protecting group; andR.sub.2 represents a hydrogen or halogen atom, an azido group, a C.sub.1-3 alkyl group, a group (CH.sub.2).sub.m OR.sub.3 wherein m is zero or one and R.sub.3 represents a hydrogen atom or a hydroxyl protecting group, an azidoethoxy group, a protected hydroxyethoxy group or a group XR.sub.4 in which X is an oxygen atom or the group S(O).sub.n in which n is zero, 1 or 2 and R.sub.4 represents a C.sub.1-5 alkyl, C.sub.3-7 cycloalkyl or phenyl group or when X is oxygen or sulphur then R.sub.4 may also represent the group AlkNR.sub.5 R.sub.6 in which Alk represents a C.sub.2-6 straight or branched alkylene chain and R.sub.5 and R.sub.6 independently represent a hydrogen atom or C.sub.1-4 alkyl group or R.sub.5 and R.sub.6 together with the nitrogen atom to which they are attached form a pyrrolidino or piperidino ring or the group NR.sub.5 R.sub.6 represents a protected amino group, or R.sub.2 represents the group (CH.sub.2).sub.m NR.sub.7 R.sub.8 in which m is zero or 1 and R.sub.7 and R.sub.8 independently represent a hydrogen atom or a C.sub.1-4 alkyl group or NR.sub.7 R.sub.8 represents a protected amino group, or R.sub.2 and the carbon atom to which it is attached represent a keto group or a ketal derivative thereof; and acid addition salts of such compounds containing basic centers.
摘要:
The present invention relates to compounds of formula (I) ##STR1## and salts and metabolically labile esters thereof; wherein R is a 5 or 6 membered nitrogen containing heteroaryl group, which heteroaryl group optionally contains 1 or 2 additional heteroatoms selected from nitrogen, oxygen or sulphur and said heteroaryl group is linked to the alkylene chain (CH.sub.2)n via a nitrogen atom in the heteroaryl group; n is an integer from 2 to 4, to processes for their preparation and to their use as antibacterial agents.
摘要:
A compound of the formula 1-cyclohexyloxycarbonyloxethyl (4S, 8S, 9R 10S, 12R)-4-methoxy-10-(1-hydroxyethyl)-11-oxo-1-azatricyclo[7.2.0.0..sup.3,8 ]undec-2-ene-2-carboxylate which is useful as a pharmaceutical composition to treat bacterial infection.
摘要:
Compounds of formula ##STR1## in which R.sub.1 is hydrogen or a hydroxyl protecting group and --X--Y-- is --CH.dbd.CH-- or ##STR2## useful as intermediates in the preparation of antibacterially active compounds.
摘要:
The present invention relates to compounds of formula (I) ##STR1## and salts and metabolically labile esters thereof. These compounds and compositions containing them have antibacterial activity. Processes for preparing these compounds are also disclosed, as well as methods of treatment of a human or non-human subject to combat bacterial infections.
摘要:
The present invention relates to a novel process for preparing compounds of formula (IA), which are potent and specific antagonists of corticotropin-releasing factor (CRF) receptors, from intermediate compounds of formula (I), by a coupling reaction catalysed by copper.
摘要:
Compounds of general formula (I) ##STR1## in which R.sub.1 represents a hydrogen atom or a hydroxyl protecting group, R.sub.2 represents a hydrogen atom or a carboxyl protecting group, and R.sub.3 represents the group N(R.sub.4)--CH.dbd.NR.sub.5 wherein R.sub.4 represents a hydrogen atom and R.sub.5 represents a hydrogen atom; and salts, metabolically labile esters and solvates thereof and a process for their production. The compounds of formula (I) are either antibacterial agents and or useful intermediates for the preparation of antibacterial agents.
摘要:
A process for the preparation of the phosphonium compound of formula (1), which comprises reacting N-phenylpyrrolidinone (II), with pyridinium bromide perbromide, in the presence of a tertiary organic base and a suitable lewis acid and then treating the resultant bromo derivative (III) with the phosphine (IV, R1R2R1P) and the use of compound (I) when so prepared for the preparation of the glycine antagonist.
摘要:
The present invention relates to novel pyrrolopyridine derivatives, pharmaceutical compositions containing these compounds and their use in the treatment of diseases, particularly pain, which diseases are caused directly or indirectly by an increase or decrease in activity of the cannabinoid receptor.