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5475137 |
M-phenylenediamine derivatives
An electrophotographic photoconductor is composed of an electroconductive substrate and a photoconductive layer formed thereon including a m-phenylenediamine derivative of formula (I): ##STR1##...
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5463051 |
Process for preparing benzazepine intermediates for the synthesis of D1 antagonists
Disclosed are a process and intermediates of the formulae ##STR1## wherein X - is halide, BF 4 - , R 3 SO 3 - , wherein R 3 is C 1 -C 6 alkyl, CF 3 , C 1 -C 6 alkylphenyl or phenyl, and Q...
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5459275 |
Pyrenylamine derivatives
An electrophotographic photoconductor comprises an electroconductive substrate and a photoconductive layer formed thereon comprising as an effective component at least one pyrenylamine derivative...
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5457232 |
Pyrenylamine derivatives having unsaturated bond
A pyrenylamine derivative having an unsaturated bond of formula (I), which can be employed as an organic photoconductive material for use in electrophotography: ##STR1## wherein R 1 , R 2 , R 3 , R...
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5457133 |
R-enantiomers of N-propargyl-aminoindan compounds, their preparation and pharmaceutical compositions containing them
R(+)-N-propargyl-1-aminoindan, its preparation and use and pharmaceutical compositions containing it. The novel compound was found to be useful for the treatment of human patients for Parkinson's...
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5453446 |
Use of the R-enantiomers of N-propargyl 1-aminoindan compounds for treating Parkinson's disease.
R(+)-N-p-opargyl-1-aminoindan, its preparation and use and pharmaceutical compositions containing it. The novel compound was found to be useful for the treatment of human patients for Parkinson's...
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5420351 |
Aromatic diamine compounds
An aromatic diamine compound represented by formula (1): ##STR1## wherein R 1 and R 2 , which may be the same or different, are each a hydrogen atom or a lower alkyl group; and an aromatic diamine...
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5403950 |
Dipyrenylamine derivatives useful in electrophotographic photoconductors
An electrophotographic photoconductor is composed of an electroconductive substrate and a photoconductive layer formed thereon, the photoconductive layer includes a dipyrenylamine derivative of...
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5395846 |
Amino Bi- and tri-carbocyclic aklane bis-aryl squalene synthase inhibitors
This invention relates to a class of novel amino bi- and tri-carbocyclic alkane compounds having bis-aryl substitution which exhibit squalene synthase inhibition properties. The bi- and...
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5387612 |
Use of the R-enantiomers of N-propargyl-1-aminoindan compounds for treating Parkinson's disease
R(+)-N-propargyl-1-aminoindan, its preparation and use and pharmaceutical compositions containing it. The novel compound was found to be useful for the treatment of human patients for Parkinson's...
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5367051 |
Amine-containing polymerizable monomers and polymers functionalized with fullerenes to provide polymers with high temperature stability
Fullerene-functionalized amine-containing polymers and polymerizable monomers are disclosed characterized by high temperature stability, i.e., capable of withstanding a temperature of at least...
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5344985 |
Aldehyde intermediates for the preparation of pyrenylamine derivatives having unsaturated bond
A pyrenylamine derivative having an unsaturated bond of formula (I), which can be employed as an organic photoconductive material for use in electrophotography: ##STR1## wherein R 1 , R 2 , R 3 , R...
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5322962 |
Aromatic diamine intermediates useful in the preparation of polyimide
Disclosed are a novel aromatic diamine; a polymide comprising 1,3-bis(3-aminobenzoyl)benzene or 4,4'-bis(3-aminobenzoyl)biphenyl as a diamine component and having recurring structural units...
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5294732 |
Polysubstituted fullerenes and their preparation
The present invention is directed to polysubstituted fullerene moieties having a plurality of substituents thereon wherein the substituents are selected from the group consisting of hydroxy in...
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5250733 |
Benzylideneindene compounds and electrophotographic photoconductor using the same
Benzylideneindene compounds, which are useful not only as the photoconductive material for electrophotography, but also as a charge transporting material employed in a function-separating type...
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5248699 |
Sertraline polymorph
This invention relates to a novel crystalline polymorphic form of sertraline hydrochloride, (1S-cis)-4-(3,4-dichlorophenyl)-1,2,3,4 -tetrahydro-N-methyl-1-naphthalenamine hydrochloride, and to a...
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5248686 |
Substituted cyclic amines and pharmaceutical composition containing them
The invention relates to substituted arylamines and heteroarylamines, their preparation process and the pharmaceutical composition containing them. Said substituted amine is in accordance with the...
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5233090 |
[2,2]paracyclophane compounds for use in electrophotographic photoconductors
[2,2]paracyclophane compounds having formula (I): ##STR1## wherein R 1 and R 2 independently represent an alkyl group having 1 to 4 carbon atoms, which may have a substituent, or an aryl group...
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5228898 |
Substituted bicycloheptandione derivatives
This invention relates to substituted bicycloheptadione derivatives with high herbicidal activity which are represented by general formula (I) ##STR1## (where R 1 is a lower alkyl group, a phenyl...
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5225595 |
Arylsulfonyl compounds with unsaturated radicals
Sulfonyl compounds of the formula ##STR1## where Ar is the radical of a benzene or naphthalene ring, R 1 and R 2 are each hydrogen, substituted or unsubstituted C 1 -C 4 -alkyl, substituted...
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5198134 |
Substituted naphthalenediamine stabilizers
N-Allyl and N-methylene-thio substituted naphthalene-1,8- or -1,5-diamine compounds are very effective antioxidant stabilizers for organic material subject to oxidative or thermal degradation,...
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5196583 |
Propargyl amino compounds
The invention provides a novel class of propargyl compounds represented by the formula: ##STR1## wherein R is an C 1 -C 20 alkyl group, C 1 -C 20 alkylene group, C 1 -C 20 alkylene group...
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5177248 |
Process of forming polysubstituted fullerenes
The present invention is directed toward the preparation of novel polysubstituted fullerenes. The method of forming polysubstituted fullerenes comprises contacting a fullerene with an electrophilic...
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5153228 |
9-amino-2-phenylbicyclo[3.3.1]nonanes and 9-amino-2-phenylbicyclo[3.3.1]non-2-enes and drugs containing them
9-Amino-2-phenylbicyclo-[3.3.1]nonanes and 9-amino-2-phenylbicyclo[3.3.1]non-2-enes of the formula I ##STR1## where R 1 and R 2 are identical or different and each is hydrogen, halogen, alkyl,...
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5132313 |
Non-competitive NMDA receptor antagonists and methods for their use
The present invention relates to novel NMDA receptor antagonists and methods for their use. The present invention also provided pharmaceutical compositions comprising such NMDA receptor antagonists.
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5124483 |
Ortho-alkylation of aromatic amines
Aromatic diamines, such as toluenediamine, are alkylated in the ortho position by heating the diamine in the presence of an aluminum alloy, aluminium chloride and, optionally, zinc, and then...
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5082970 |
Process for recycling amine isomer
A novel process for converting trans-isomeric N-methyl-4-(3,4-dichlorophenyl)-1,2,3,4-tetrahydro-1-naphtha
leneamine to cis-isomeric...
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5068435 |
Ortho-alkylated aromatic amines via gamma alumina catalyst
This invention relates to a process for producing ring alkylated aromatic amines. In the process an aromatic amine is reacted with an olefin using gamma alumina as a catalyst. Under the conditions...
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5047590 |
Dinitro compounds, diamino compounds and triamine compounds and preparation methods thereof
Compounds having formula (I), which are useful as starting or intermediate materials for preparing organic photoconductive materials, or as organic photoconductive materials: ##STR1## wherein R 1 ...
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4999441 |
Tetrakis(dialkylamino)aromatics and their charge transfer complexes
Tetrakis(dialkylamino)aromatics Ia to Ic ##STR1## where the radicals A may be identical or different and are n-C 1 -C 6 -alkyl and the radicals R may be identical or different and are hydrogen or...
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4996316 |
Process for the preparation of tertiary N, N-dimethylamines
A process for the preparation of tertiary N,N-dimethylamines by the reaction of primary amines, formaldehyde, and hydrogen under pressure and at elevated temperature in the presence of a...
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4992563 |
Benzopyran intermediates for use in manufacturing thromboxane A.sub.2 antagonists
This invention relates to several intermediates useful in preparing thromboxane A 2 inhibiting (±)7-[3α-[1-[[(phenylamino)-thioxomethyl]hydrazono]ethyl]-
1.alpha .,...
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4978789 |
Process for production of alkenyl substituted aromatic compound
A process for producing an alkenyl substituted aromatic compound having the general formula (I): ##STR1## wherein Ar represents an aromatic ring, R 1 represents an alkenyl group having 2 to 8...
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4978386 |
Herbicidal 2-(substituted-phenyl)-3-amino-2-cyclopentenone derivatives
2-(3-substituted phenyl)-3-amino-2-cyclopentenone derivatives. The compounds generally exhibit both pre-emergence and post-emergence phytotoxicity and are useful as herbicides and also at low...
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4906662 |
Phenol derivatives, their preparation and the use thereof
Disclosed are phenol derivatives of the formula ##STR1## wherein R 1 is a substituted phenyl group, R 2 and R 3 are C 1 -C 6 alkyl group and of the formula ##STR2## wherein R 8 , R 9 and R 10...
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4880802 |
Substituted basic 2-aminotetralin useful as cardiotonic agents
For treatment of disorders of the central nervous system, the cardiovascular system or the intestinal tract, the new substituted basic 2-aminotetralins of the formula ##STR1## in which R 1 ...
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4873241 |
2-amino-N-(2-phenylindan-2-yl)acetamides useful as anti-epileptics
2-Amino-N-(2-phenylindan-2-yl)acetamides of the following formula are provided ##STR1## wherein, a=0 to 3, R 1 , R 2 and R 3 are independently selected from hydrogen and methyl, R 4 is...
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4866208 |
Meta-phenylene diamine derivatives
Novel meta phenylenediamines are provided having one or two particular benzyl radicals as substituents along with other optional substituents on the aromatic diamine ring and optionally...
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4835224 |
Process for the preparation of polyamines and their use for the production of polyurethanes
Polyamines are produced by hydrolyzing an isocyanate compound in the presence of at least one of a selected group of catalysts and a water miscible polar organic solvent in substantially...
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4806687 |
Catalytic hydrodesulfurization of ortho-aminobenzylsulfides
Ortho-alkylanilines are prepared by catalytic hydrodesulfurization of ortho-aminobenzyl sulfides using a cobalt-molybdenum oxide catalyst. For example, 2-methyl-6-trifluoromethylaniline is prepared...
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4792623 |
Meta-phenylene-diamines
Novel meta phenylenediamines are provided having one or two particular benzyl radicals as substituents along with other optional substituents on the aromatic diamine ring and optionally...
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4782184 |
Method for making ethynylated aromatic compounds
A method is disclosed for making amino-substituted ethynlated biphenyl compounds, which includes selectively nitrating symmetrically substituted biphenyl compounds, reacting the resulting...
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4707497 |
Phenylethanolaminotetralines, a process for their preparation and pharmaceutical compositions containing them
A novel phenylethanolaminotetraline having lipolytic activity of formula ##STR1## wherin X represents hydrogen, halogen, a trifluoromethyl or a lower alkyl group and R represents hydrogen, a lower...
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4658064 |
P-formyl-N,N-dipolyoxyalkylenesubstitutedaniline
A compound is provided of the formula: ##STR1## wherein R 1 is selected from alkyl, halide, or alkoxy; R 2 is selected from H or alkyl; Y is a number of from 2 to about 200; and Z is selected...
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4602032 |
Dibenz[cd,f]indole derivatives, their preparation and pharmaceutical compositions containing them
A 2-alkyl-9,10-dioxy-4,5,5a,6-tetrahydro-dibenz[cd,f]indole or an acid addition salt thereof is a useful anti-parkinson agent.
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4556676 |
Antidepressant derivatives of trans-4-phenyl-1,2,3,4-tetrahydro-1-naphthalenamine
Novel trans-isomeric derivatives of 4-phenyl-1,2,3,4-tetrahydro-1-naphthalenamine are useful as antidepressant agents. These novel compounds act to block the synaptosomal uptake of norepinephrine...
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4536518 |
Antidepressant derivatives of cis-4-phenyl-1,2,3,4-tetrahydro-1-naphthalenamine
Novel cis-isomeric derivatives of 4-phenyl-1,2,3,4-tetrahydro-1-naphthalenamine are useful as antidepressant agents. These novel compounds act to block the synaptosomal uptake of serotonin...
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4477668 |
Process for 5-methyl-10,11-dihydro-5H-dibenzo[a,d]-cyclohepten-5,10-imine
(+)-5-Methyl-10,11-dihydro-5H-dibenzo[a,d]-cyclohepten-5,10-
imine, and its pharmaceutically acceptable salts is useful as an anxiolytic, antidepressant, anticonvulsant, muscle relaxant and in the...
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4454347 |
Process for purification and isolation of diaminophenylindane
Crystalline 5(6)-amino-1-(4-aminophenyl)-1,3,3-trimethylindane is made by crystallizing the diamino reaction mass from a toluene/heptane solution. The material has been previously purified through...
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4436936 |
Alkylation and aralkylation of aromatic amines
Compounds having the formula I ##STR1## as well as salts or metal salt complexes thereof, in which formula I n, R 1 , R 2 and Z have the meanings given in claim 1, can be prepared under mild...
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