摘要:
Optically and therapeutically active compounds of the formula: ##STR1## wherein R represents a member selected from the group consisting of a straight or branched alkyl group of from one to twenty carbon atoms (C.sub.1 -C.sub.5 being preferred), an ethoxycarbonyl group, a benzyloxycarbonyl group, a phenyl group, an ##STR2## WHEREIN R is as defined above and R.sub.3 is a member selected from the group consisting of a hydrogen atom, a methyl group and a phenyl group, and a 2-, 3-, or 4-pyridyl group, or the HX salts thereof, wherein X represents a pharmaceutically acceptable acid addition salt anion, are prepared optically active m-hydroxy-.alpha.-[methylamino)methyl]benzyl alcohol (phenylephrine).The compounds prepared by the process of this invention find therapeutic application to warm-blooded animals (e.g., humans) in the management of asthma, nasal congestion and as decongestants, vasoconstrictors, mydriatic agents, and anti-glaucomatous agents in the practice of ophthalmology.Upon administration, these compounds will enzymatically "cleave," thus releasing optically active phenylephrine (m-hydroxy-.alpha.-[(methylamino)methyl]benzyl alcohol, the therapeutically active moiety thereof.
摘要:
Compounds of the formula: ##STR1## wherein R represents a straight or branched C.sub.1 -C.sub.5 alkyl group; and R.sub.1 in each occurrence represents an acyl member which is alkanoyl having 1-22 carbon atoms, alkenoyl having one or two double bonds and having 4-22 carbon atoms, ##STR2## having a total of 4-10 carbon atoms of which 3-7 are ring carbon atoms in cycloalkyl and wherein n is zero, one, or two, phenoxyacetyl, naphthalenecarbonyl, pyridinecarbonyl, ##STR3## wherein n is zero, one or two and phenyl is unsubstituted or is substituted by 1-3 alkyl having 1-4 carbon atoms, alkoxy having 1-4 carbon atoms, halo, trifluoromethyl, dialkylamino having 2-8 carbon atoms, or alkanoylamino having 1-6 carbon atoms groups; are prepared in substantial purity and yield, using as the chloride ion donor, cesium chloride (CsCl).The compounds prepared by the process claimed herein exhibit sympathomimetic activity and are thus useful in eliciting sympathomimetic responses in warm-blooded animals, e.g., reduction in intraocular pressure, miosis, mydriasis, bronchodilation, etc.
摘要:
Optically and therapeutically active compounds of the formula: ##STR1## wherein R represents a member selected from the group consisting of a straight or branched alkyl group of from one to twenty carbon atoms (C.sub.1 -C.sub.5 being preferred), an ethoxycarbonyl group, a benzyloxycarbonyl group, a phenyl group, an ##STR2## group, wherein R is as defined above and R.sub.3 is a member selected from the group consisting of a hydrogen atom, a methyl group and a phenyl group, and a 2-, 3-, or 4-pyridyl group, or the HX salts thereof, wherein X represents a pharmaceutically acceptable acid addition salt anion, are prepared using optically active m-hydroxy-.alpha.-[(methylamino)methyl]benzyl alcohol (phenylephrine).
摘要:
Compounds of the formula: ##STR1## wherein R represents a member selected from the group consisting of a straight or branched alkyl group of from one to twenty carbon atoms (C.sub.1 -C.sub.5 being preferred), an ethoxycarbonyl group, a benzyloxycarbonyl group, a phenyl group, an ##STR2## WHEREIN R is as defined above and R.sub.3 is a member selected from the group consisting of a hydrogen atom, a methyl group and a phenyl group, and a 2-, 3-, or 4-pyridyl group, or the HX salts thereof, wherein X represents a pharmaceutically acceptable acid addition salt anion, are extremely valuable in the treatment of conditions responsive to sympathomimetic agents.The compounds of this invention find therapeutic application to warm-blooded animals (e.g., humans) in the management of asthma, nasal congestion and as decongestants, vasoconstrictors, mydriatic agents, and anti-glaucomatous agents in the practice of opthalmology.Upon administration, these compounds will enzymatically "cleave," thus releasing optically active phenylephrine (m-hydroxy-.alpha.-[(methylamino)methyl]benzyl alcohol, the therapeutically active moiety thereof.
摘要:
This invention deals with chemical intermediates having the formula ##STR1## wherein R.sub.1 and R.sub.2 together with the carbon atom to which they are attached form a single hetero atom member selected from the group consisting of a five-to seven-membered heterocycle containing one hetero-N-atom and a N-substituted five-to seven-membered heterocycle containing an hetero-N-atom whose substituent is C.sub.1 -C.sub.2 alkyl. These compounds are useful in the synthesis of compounds having a variety of uses as pharmaceuticals.
摘要:
Optically and therapeutically active compounds of the formula: ##SPC1##Wherein R represents a member selected from the group consisting of a straight or branched alkyl group of from one to twenty carbon atoms (C.sub.1 -C.sub.5 being preferred), an ethoxycarbonyl group, a benzyloxycarbonyl group, a phenyl group, an ##EQU1## group, wherein R is as defined above and R.sub.3 is a member selected from the group consisting of a hydrogen atom, a methyl group and a phenyl group, and a 2-, 3-, or 4-pyridyl group, or the HX salts thereof, wherein X represents a pharmaceutically acceptable acid addition salt anion, are prepared using optically active m-hydroxy-.alpha.-[(methylamino)-methyl]benzyl alcohol (phenylephrine).The compounds prepared by the process of this invention find therapeutic applicaton to warm-blooded animals (e.g., humans) in the management of asthma, nasal congestion and as decongestants, vasoconstrictors, mydriatic agents, and anti-glaucomatous agents in the practice of opthalmology.Upon administration, these compounds will enzymatically "cleave," thus releasing optically active phenylephrine (m-hydroxy-.alpha.-[(methylamino)methyl]benzyl alcohol, the therapeutically active moiety thereof.
摘要:
Labile quaternary ammonium salts of the following formula (I) and (II) are provided: ##STR1## wherein N represents a tertiary aliphatic amine; wherein N represents an unsaturated amine; wherein R represents a member selected from the group consisting of a hydrogen atom, a C.sub.1 -C.sub.8 open chain or cyclo alkyl group, a C.sub.1 -C.sub.8 alkoxyalkyl group, a C.sub.1 -C.sub.8 acyloxyalkyl group, a C.sub.1 -C.sub.8 haloalkyl group, a C.sub.1 -C.sub.8 carboxyalkyl group, a C.sub.2 -C.sub.8 alkenylphenyl group, an aryl group, and a substituted aryl group, whose substituents are selected from the group consisting of a halogen atom, an O-lower alkyl (C.sub.1 -C.sub.4) group, an O-acyl group, a nitro group, a carboxyl group, and a carboethoxy group; wherein R.sub.1 which may be the same or different, represents any member defined by R above with the proviso that R.sub.1 cannot be a hydrogen atom; wherein X is --O-- or --S--; and wherein Y represents a member selected from the group consisting of a halogen atom or any other organic or inorganic monovalent equivalent anion; with the further proviso that N and N, respectively cannot represent trimethylamine and pyridine or quinoline when R represents a hydrogen atom and R.sub.1 represents a methyl group or a phenyl group. The compounds described above are characterized by their extreme solubility and resistance to oxidation, dealkylation, and protonation prior to chemical and/or enzymatic hydrolysis. Upon chemical and/or enzymatic hydrolysis, these compounds will "cleave," thus releasing their active constituent or constituents, according to the following general scheme(s): ##STR2## In other words, the title compounds hydrolyze (chemically or enzymatically) releasing a tertiary amine or unsaturated amine derivative, an aldehyde, a carboxylic acid and a hydrogen halide (HX) per the above reaction scheme.
摘要:
Compounds of the formula: ##STR1## wherein R represents a member selected from the group consisting of a hydrogen atom, a C.sub.1 -C.sub.20 open chain or cyclo alkyl group, a C.sub.1 -C.sub.20 alkoxyalkyl group, a C.sub.1 -C.sub.20 alkanoyloxyalkyl group, a C.sub.1 -C.sub.20 haloalkyl group, a C.sub.1 -C.sub.20 carboxyalkyl group, a phenyl group, a naphthyl group and a substituted phenyl or naphthyl group, whose substituents are selected from the group consisting of a halogen atom, an O-C.sub.1 -C.sub.4 alkyl group, an O-C.sub.1 -C.sub.8 alkanoyl group, a nitro group, a carboxyl group, and a carboethoxy group; wherein R.sub.1 represents a C.sub.9 -C.sub.22 straight or branched alkyl group, a ##STR2## group, wherein R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are each selected from the group consisting of a hydrogen atom, a methyl group, or an ethyl group, and wherein R.sub.1 further represents a member selected from the group consisting of a C.sub.0 -C.sub.22 straight or branched alkyl ##STR3## group, wherein n in each occurrence and m represent an integer of from 0 to 22, and an ##STR4## group, wherein A represents a -(CH.sub.2 CH.sub.2 O).sub.p group, wherein the p represents an integer of from 0 to 22 and a cholic acid residue; and wherein X represents a member selected from the group consisting of a halogen atom, a methanesulfonate group, a fluorosulfonate group and a tosylate group, useful in reducing intraocular pressure in warm-blooded animals are disclosed.
摘要:
Labile quaternary ammonium salts of the following formula (I) and (II) are provided: ##STR1## wherein ##STR2## represents a tertiary aliphatic amine; wherein ##STR3## represents an unsaturated amine; wherein R represents a member selected from the group consisting of a hydrogen atom, a C.sub.1 -C.sub.8 open chain or cyclo alkyl group, a C.sub.1 -C.sub.8 alkoxyalkyl group, a C.sub.1 -C.sub.8 acyloxyalkyl group, a C.sub.1 -C.sub.8 haloalkyl group, a C.sub.1 -C.sub.8 carboxyalkyl group, a C.sub.2 -C.sub.8 alkenylphenyl group, an aryl group, and a substituted aryl group, whose substituents are selected from the group consisting of a halogen atom, an O-lower alkyl (C.sub.1 -C.sub.4) group, an O-acyl group, a nitro group, a carboxyl group, and a carboethoxy group; wherein R.sub.1 which may be the same or different, represents any member defined by R above with the proviso that R.sub.1 cannot be a hydrogen atom; wherein X is --O-- or --S--; and wherein Y represents a member selected from the group consisting of a halogen atom or any other organic or inorganic monovalent equivalent anion;With the further proviso that ##STR4## respectively cannot represent trimethylamine and pyridine or quinoline when R represents a hydrogen atom and R.sub.1 represents a methyl group or a phenyl group.The compounds described above are characterized by their extreme solubility and resistance to oxidation, dealkylation, and protonation prior to chemical and/or enzymatic hydrolysis. Upon chemical and/or enzymatic hydrolysis, these compounds will "cleave," thus releasing their active constituent or constituents, according to the following general scheme(s): ##STR5## In other words, the title compounds hydrolyze (chemically or enzymatically) releasing a tertiary amine or unsaturated amine derivative, an aldehyde, a carboxylic acid and a hydrogen halide (HX) per the above reaction scheme.
摘要:
Novel, transient pro-drug forms of the anti-inflammatories phenylbutazone and oxyphenbutazone are disclosed, the same having the structural formulae: ##STR1## wherein R is a member selected from the group consisting of C.sub.1 -C.sub.2 alkylsulfonyl, phenylsulfonyl, p-tolylsulfonyl and naphthylsulfonyl, and ##STR2## wherein X and Y each represent a member selected from the group consisting of a hydrogen atom and ##STR3## with the proviso that either X or Y is a hydrogen atom, R.sub.1 is selected from the group consisting of C.sub.1 -C.sub.2 alkylsulfonyl, phenylsulfonyl, p-tolylsulfonyl and naphthylsulfonyl, and R.sub.2 is selected from the group consisting of straight or branched chain C.sub.1 -C.sub.5 alkyl and phenyl.