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7582653 |
Mercaptophenyl naphthyl methane compounds and synthesis thereof
Novel mercaptophenyl naphthyl methane compounds, their pharmaceutically acceptable salts and compositions comprised thereof are useful for the prevention or treatment of various medical indications...
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7569728 |
Triarylamine compounds, compositions and uses therefor
The present invention relates to triarylamine compounds, compositions comprising such compounds, and electronic devices and applications comprising at least one layer containing at least one of the...
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7538250 |
Pyrene compound and organic light emitting device
An object of the present invention is to provide a novel pyrene compound. Provided is a pyrene compound represented by the following general formula (I):
wherein: R 1 and R 2 each represent a...
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7473805 |
Process for obtaining tolterodine
The process comprises reacting a compound of formula (II), where R is a hydroxyl protecting group, and the asterisk indicates an asymmetric carbon atom, with diisopropylamine in the presence of a...
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7449602 |
Stilbene derivative compound, process for producing the same, and electrophotographic photoconductor
A stilbene derivative compound having a specific substituent at the specific position thereof to exert good compatibility with a binder resin and to tend to be uniformly dispersed in a...
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7423180 |
Bis(3-amino-4-hydroxyphenyl)adamantane derivatives and process for production thereof
The invention provides compounds which are excellent in terms of heat resistance, mechanical characteristics, electric characteristics, physical properties, etc. and which provide a novel material...
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7365231 |
Compound with antitumor activity and preparation method therefor
The present invention provides the diaminophenyladamantane derivatives with antitumor activities and the preparation method therefore. The method includes a step of reacting an aromatic diol with...
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7291648 |
3,3-diphenylpropylamines useful in therapy
Novel 3,3-diphenylpropylamines of the formula
and stereoisomers and physiologically acceptable acid addition salt thereof; wherein R 1 , R 2 , R 3 , R 4 , R 5 , and R 6 are as defined herein;...
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7268257 |
Process for producing tolterodine
The present invention provides a process for producing tolterodine of the formula (1) or its salt, which comprises a step reacting a compound of the formula (2) with a base to obtain a reaction...
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7268166 |
Compounds active at a novel site on receptor-operated calcium channels useful for treatment of neurological disorders and diseases
Method and compositions for treating a patient having a neurological disease or disorder, such as stroke, head trauma, spinal cord injury, spinal cord ischemia, ischemia- or hypoxia-induced nerve...
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7205439 |
Process for the preparation of di- and polyamines of the diphenylmethane series
Di- and polyamines of the diphenylmethane series are prepared by a) mixing a first portion of aniline with an acid catalyst, b) mixing a second portion of aniline with formaldehyde, and c) mixing...
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7189877 |
Arylamine derivatives having fluorene skeleton, synthetic intermediates thereof, processes of producing those, and organic electrolumivescene devices
Arylamine derivatives that can be utilized as hole transport or hole injection materials of organic electroluminescence devices, electrophotographic reactors, etc., and synthetic intermediates...
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7119121 |
3,3-diphenylpropylamines useful in therapy
Novel 3,3-diphenylpropylamines of the formula
and stereoisomers and physiologically acceptable acid addition salt thereof; wherein R 1 , R 2 , R 3 , R 4 , R 5 , and R 6 are as defined herein;...
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7045366 |
Photocrosslinked hydrogel blend surface coatings
Hydrogel polymer blends including precursors and crosslinked forms of the compositions. The blends provide an improved approach to achieve high quality, uniform coatings with better commercial...
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7015352 |
Pro drugs for selective drug delivery
Prodrug compounds capable of permeating a desired biological compartment and releasing a biologically active molecule in active form to effect a therapeutic functional change in the compartment to...
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6992223 |
Method for producing 2-benzylaniline
2-benzylaniline can be manufactured in one-pot reaction at a substantially reduced cost by allowing 2-amino-5-halogenobenzophenone to react under a reductive condition.
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6962964 |
Hydrogenation of methylenedianiline homologs and epoxy resins cured with same
This invention relates to improved polyepoxide resins cured with a mixture of methylene bridged poly(cycloaliphatic-aromatic)amines and a process for preparing such polyepoxide resins as well as to...
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6914078 |
Triarylmethane derivatives and their use as photochemotherapeutic agents
Disclosed are compounds having one of the following structures:
wherein R and R′ are hydrogen or substituted or unsubstituted C 1 to C 6 linear or branched alkyl, and at least one X is a...
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6891067 |
Optical polyimide precursor, optical polyimide compound and fabricating method thereof
The present invention provides an optical polyimide precursor for use in making a polyimide. The precursor is defined by the following formula:
wherein X is Cl, Br, oxo-halide, or fully...
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6861561 |
Substituted aromatic policyclic tertiary-heteroalkylamines useful for inhibiting cholesteryl ester transfer protein activity
The invention relates to substituted aromatic polycyclic tertiary-heteroalkylamine compounds useful as inhibitors of cholesteryl ester transfer protein (CETP; plasma lipid transfer protein-I) and...
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6822119 |
Process for the preparation of tolterodine
The present invention relates to a cost effective and industrially advantageous process for the preparation of tolterodine and pharmaceutically acceptable salts thereof.
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6794544 |
Method for the preparation of tetrahydrobenzothiepines
Among its several embodiments, the present invention provides an improved process for the preparation of tetrahydrobenzothiepine-1,1-dioxide compounds; the provision of a process for preparing a...
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6710209 |
Heteroaryl-substituted quinolin-2-one derivatives useful as anticancer agents
The present invention relates to a method of preparation for compounds of Formula 23: wherein R 3 , R 4 , R 5 , R 6 , R 7 , and W are as defined herein.
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6656737 |
Isocynate derivatizing agent and methods of production and use
An organic compound useful for detecting the total quantity of isocyanate in an environmental sample is provided. The compound is 9-anthrcenylmethyl-1-piperazinecarboxylate (PAC), an isocyanate...
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6630607 |
Aromatic methylidene compounds, aromatic aldehyde compounds and methylstyryl compounds used to prepare the methylidene compounds, and methods for preparing these compounds
Aromatic methylidene compounds of the following general formula wherein R 11 and R 21 independently in each occurrence represent an unsubstituted or substituted alkyl or alkoxy group, a...
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6586634 |
Process for the preparation on (1S,2R)-1-amino-2-indanol-(R,R)-tartrate methanol solvate
Process for the preparation of (1S,2R)-1-amino-2-indanol-(R,R)-tartrate methanol solvate, in which in a solvent a mixture of enantiomers of cis-1-amino-2-indanol reacts at an elevated temperature...
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6515179 |
Process for the removal of nitrobenzenesulfonyl
A 2- or 4-nitrobenzenesulfonamide is allowed to react with an alkali metal alkoxide to remove a nitrobenzenesulfonyl group to thereby obtain an amine corresponding to the amide. Furthermore, a...
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6380433 |
Process for the production of diaminodiphenylmethane and its higher homologues
Process for the production of diaminodiphenylmethane and its higher homologues products, which comprises reacting aniline, or one of its derivatives, and formaldehyde, or a compound capable of...
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6379590 |
Method for making unsymmetrically substituted fluorenyl compounds for nonlinear optical applications
A new method for producing unsymmetrically substituted fluorenyl compounds, one step of which is the preparation of 2,7-disubstituted fluoren-9-one derivatives via the nucleophilic substitution of...
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6329551 |
Phenylenediamine derivative, production method thereof and antioxidant for rubber using it as effective constituent
A phenylenediamine derivative represented by following formula (I) or (II): ##STR1## wherein R 1 and R 2 each represents a hydrogen atom, a lower alkyl group, or a lower alkoxy group; R 3 ...
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6310249 |
Process for producing 2-aminobenzophenone compound
A 2-aminobenzophenone represented by formula (2) is obtained by heating an arylsulfonamide represented by formula (1) in the presence of aluminum chloride. ##STR1##
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6310103 |
S(-)-tolterodine in the treatment of urinary and gastrointestinal disorders
The S-isomer of a compound represented by the following formula: ##STR1## and pharmaceutically acceptable salts thereof is disclosed as being useful for treating urinary disorders, including...
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6297196 |
Benzoyl derivatives, process for their preparation and their use as herbicides and plant growth regulators
Benzoyl derivatives of the formula (I), process for their preparation and their use as herbicides and plant growth regulators are described. ##STR1## In this formula (I), R 1 , R 2 , R 3 , R 4 and...
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6280859 |
Light-emitting material for organo-electroluminescence device and for organic electroluminescence device which the material is applied
A light-emitting material which serves to emit light having a high brightness and is almost free of deterioration in light emission, and an organic EL device for which the light-emitting material...
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6210817 |
Styryl compound, process of the production thereof and organic luminous element using the same
A compound containing at least two units of a structure represented by the following general formula (1): ##STR1## wherein R 1 , R 2 , R 3 and R 4 each represents a hydrogen atom or a...
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6172264 |
Triphenylamine derivative, charge-transporting material comprising the same, and electrophotographic photoreceptor
A triphenylamine derivative, represented by the following general formula (1): ##STR1## wherein R 1 , R 2 , R 3 , R 4 , R 5 and R 6 each represents a hydrogen atom, a lower alkyl group, an alkoxy...
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6137008 |
Flexible diamine compound for preparation of polyamide and polyimide
A diamine which is useful in preparing a new flexible polyamide and polyimide with an aromatic dicarboxylic acid and a tetracarboxylic dianhydrides, respectively, has a general formula as follows:...
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6022895 |
Substituted amino compounds and their use as substances having an analgesic effect
Substituted amino compounds of general formula (I) ##STR1## are described, as are a method of preparing them and their use as drugs, especially as analgesics.
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5977413 |
Method for producing bis(3-amino-4-hydroxyphenyl) compounds
Disclosed is a method for producing bis(3-amino-4-hydroxyphenyl) compounds, which comprises reducing bis(3-nitro-4-hydroxyphenyl) compounds with hydrazines in the presence of a catalyst. The method...
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5948941 |
Material for organoelectroluminescence device and organoelectroluminescence device using the material
A material for an organic EL device, having excellent capability of injecting holes from a metal electrode and having durability, and an organic EL device which is imparted with excellent stability...
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5939554 |
Diarylaminopropanediol and diarylmethyl-oxazolidinone compounds
A method for preparing a diarylalanine compound is provided. The method includes reacting a diarylaminopropanediol with a reducing agent to form a diarylaminopropanol compound and/or contacting a...
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5863952 |
Enantiomers of 1-(3,4-dichlorobenzyl)-2-methylaminoindane
The single enantiomers of formula (I) and salts thereof ##STR1## are calcium channel antagonists useful in the treatment of ischaemic conditions e.g., stroke.
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5840984 |
Stabilization of (hydrocarbylthio) aromatic amines against odor formation
Odor formation during storage of (hydrocarbylthio)aromatic amines due to formation and release of odoriferous sulfur-containing species such as dihydrocarbyldisulfides, is suppressed. To accomplish...
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5773469 |
Diaryl antimicrobial agents
The invention relates to diaryl antimicrobial compounds of the general formula: ##STR1## where G, E L, J, q, m, X, Ar, W, p, n and A are as described herein, pharmaceutical compositions containing...
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5773463 |
Indane and tetrahydronaphthalene derivatives as calcium channel antagonists
This invention describes the use of aminoindane and amino-tetrahydronaphthalene derivatives of general formula (I) ##STR1## in which Ar, X, R 1 , R 2 and n are defined in claim 1, for the...
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5750785 |
1,4-bis(2', 2'-diphenylvinyl)benzene derivative and charge transporting material and electrophotographic photoreceptor using the same
A 1,4-bis(2',2'-diphenylvinyl)benzene derivative represented by formula (I): ##STR1## wherein R 1 and R 2 each represents a different lower alkyl group and Me represents a methyl group, a charge...
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5684180 |
Fractionation and purification of aromatic polyamine mixtures and the use thereof
The invention relates to a process for the fractionation and purification of aromatic polyamine mixtures and to the use thereof.
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5672737 |
Fractionation and purification of mixtures of aromatic polyamines and use thereof
The invention relates to a process for the fractionation and purification of mixtures of aromatic polyamines and to the use thereof.
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5648538 |
Process for preparing diarylamines from arylamines
A process for preparing diarylamines in high yield, in which diarylamines are prepared from arylamines in the presence of a solid acid catalyst. The solid acid catalyst with good stability and...
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5648520 |
Fractionation and purification of aromatic polyamine and the use thereof
The invention relates to a process for the fractionation and purification of aromatic polyamine mixtures and the use thereof.
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