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7176334 |
Process for the preparation of substituted halogenated aniline
A process for the preparation of substituted halogenated anilines from substituted halogenated 1-chlorobenzenes which comprises a) reacting a substituted halogenated 1-chlorobenzene selectively...
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7049378 |
Polymerization of olefin
Olefins, such as ethylene, are polymerized using as a polymerization catalyst a complex of a selected transition metal with a monoanionic ligand that has at least three atoms that may coordinate 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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6806386 |
Process for the preparation of ketimines
The present invention relates to a process for the preparation of compounds of formula (1), in which R 1 , R 2 and R 3 independently of one another are hydrogen, halogen , trifluoromethyl of or C...
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6696038 |
Cationic lipopolymer as biocompatible gene delivery agent
A biodegradable, novel cationic lipopolymer comprising a branched polyethylenimine(PEI), a cholesterol derived lipid anchor, and a biodegradable linker which covalently links the branched PEI and...
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6593496 |
Process for preparing sertraline from chiral tetralone
This invention relates to a novel improved process for preparing the (+) enantiomer of N-[4(3,4-dichlorophenyl)-3,4-dihydro-1(2H)-naphthalenylidene
]methanamine by reacting the (+) enantiomer of...
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6531424 |
Polymerization of olefins
Olefins, such as ethylene, are polymerized using as a polymerization catalyst a complex of a selected transition metal with a monoanionic ligand that has at least three atoms that may coordinate to...
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6495485 |
Single-site catalysts based on caged diimide ligands
Single-site catalysts useful for polymerizing olefins are disclosed. The organometallic catalysts incorporate a Group 3 to 10 transition, lanthanide or actinide metal and a caged diimide ligand....
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6268520 |
Tricyclic compounds
Novel tricyclic compounds of formula I as defined in the specification, a process for their preparation and their use for the preparation of optically active or racemic colchicine and...
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6232500 |
Process for preparing a ketimine
This invention relates to a novel improved process for preparation of N-[4-(3,4-dichlorophenyl)-3,4-dihydro-1(2H)-naphthalenyliden
e]methanamine from...
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6222046 |
Tetraalkylfluoroformamidinium trifluoroacetate and preparation process of same
The invention has disclosed a trifluoroacetoxylation agent and a preparation process of the agent, which is safe and ease to handle, very useful in industry, and represented by the formula (1);...
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6114392 |
Agmatine, and polyaminoguanidine-bound heterocyclic compounds for neurotrauma and neurodegenerative diseases
The invention relates to the use of agmatine, in the treatment of acute neurotrauma (such as stroke) and degenerative disorders of the central and peripheral nervous system (such as dementia). The...
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6054614 |
Process for the preparation of tetralone imines for the preparation of active pharmaceutical compounds
4-(3,4-Dichlorophenyl)-3,4-dihydro-2H-naphthalen-1-ylidene-m
ethylamine and related analogs are prepared from α-tetralone by a facile three-step process. This compound is the required intermediate...
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6002034 |
Bis(arylimino)acenaphthene nickel(II) complexes
Certain olefins such as ethylene, α-olefins and cyclopentene can be polymerized by using catalyst system containing a nickel or palladium α-diimine complex, a metal containing hydrocarbylation...
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5886224 |
α-diimines for polymerization catalysts
Disclosed herein are processes for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins, and optionally selected olefinic esters or carboxylic acids, and other monomers. The...
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5705694 |
Trinitrofluoroenonimine derivative and electrophotosensitive material using the same
The present invention provides a novel trinitrofluorenonimine derivative represented by the general formula (1): ##STR1## wherein R 0 is an alkyl group; and R 1 , R 2 , R 3 , R 4 and R 5 are the...
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5639912 |
Dianilinoglutacondialdehyde compound and process for the preparation thereof
A dianilinoglutacondialdehyde compound is described, which is represented by the following formula (Ia) or (Ib): ##STR1## wherein R 1 and R 2 each represents an alkyl group or an aryl group and...
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5498755 |
Disubstituted aryl and heteroaryl imines having retinoid-like biological activity
Compounds of the formula ##STR1## wherein the R 1 groups independently are hydrogen, lower alkyl, or two geminal R 1 groups jointly represent an oxo (O) or a thio (S) group; R 2 is...
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5461078 |
Anti-cancer compounds
Compounds of formula (I) ##STR1## in which R 1 is CHCHR, CHNNHR, CHN--A--N(O)R'R" or CH 2 --NH--A--N(O)R'R" and R 2 is separately selected from hydrogen, CHCHR, CHNNHR,...
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5154887 |
Phenalenimine fluorescent dyes and their use in analytical compositions, elements and methods
Certain phenalenimine fluorescent compounds represented by the structure ##STR1## wherein R' and R" are independently hydrogen, alkyl, cycloalkyl, aryl or a heterocycle, or R' comprises the carbon...
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5112869 |
Substituted 1-phenylnaphthalenes
This invention concerns compounds having the structure: ##STR1## wherein each of R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 2 ', R 3 ', R 4 ', and R 5 ', is independently hydrogen (--H), or a hydroxyl...
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4855500 |
Process for preparing a ketimine
An improved condensation process for preparing N-[4-(3,4-dichlorophenyl)-3,4-dihydro-1(2H)-naphthalenyliden
e]methanamine from 4-(3,4-dichlorophenyl)-3,4-dihydro-1(2H)-naphthalenone and methylamine...
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4788130 |
1-amino-2,3-dihydro-1H-indene compounds
Novel 2,3-dihydro-1H-indene derivatives and salts thereof represented by the general formula (1), ##STR1## [wherein R 1 and R 2 are each a hydrogen atom, a lower alkyl group, a phenyl group which...
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4232158 |
10,11-Dihydro-5H-dibenzo[a,d]cyclohepten-5,10-imines
10,11-Dihydro-5H-dibenzo[a,d]cyclohepten-5,10-imines, derivatives and pharmaceutically acceptable salts thereof are useful as antianxiety agents, as muscle relaxants and in the treatment of...
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4174317 |
3,3-Dichloro-2-azetidinone derivatives
Compounds having the formula ##STR1## wherein A 1 is an alkylene group having 2 to 4 carbon atoms; R 1 is dialkylamino or a nitrogen containing heterocyclic group and R 2 is phenyl, substituted...
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4163063 |
Aminotetralin adrenergic β-agonists
Smooth muscle tissue relaxation is produced in mammals by internal administration of a compound of the formula: ##STR1## wherein R is alkyl having 1 to 6 carbon atoms, the novel compound...
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4122117 |
Indandione bis-azomethine pigments
An indandione pigment having high tinting strength and good weatherability and light fastness of the formula ##STR1## WHEREIN A is a phenylene or naphthylene group optionally substituted by a...
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4078086 |
Anthraquinone-bis-amidines and process for preparing them
Novel compounds of anthraquinone-bis-amidines are prepared which are suitable for combating diseases caused by trichomonads.
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4065497 |
Novel dibicyclo [3.1.1] and [2.2.1] heptyl and dibicyclo [3.1.1] and [2.2.1] heptenyl polyamines
Novel dibicyclo [3.1.1] and [2.2.1] heptyl and dibicyclo [3.1.1] and [2.2.1] heptenyl polyamines are useful antimicrobial agents, as well as algae inhibitors. They are especially useful as hard...
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4045488 |
Aminophenyltetralin compounds
A series of novel 4-phenyl-1,2,3,4-tetrahydro-1-naphthylamines, including their pharmaceutically acceptable acid addition salts and their cis- and trans-isomers, have been prepared. The...
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4039579 |
2-[1-Imino-2-(methylsulfinyl)ethyl]phenols and 3-[1-imino-2-(methylsulfinyl)ethyl]-2-naphthalenols
The present invention relates to 2-[1-imino-2-(methylsulfinyl)ethyl]phenols and 3-[1-imino-2-(methylsulfinyl)ethyl]-2-naphthalenols having the following structural formulas: ##STR1## wherein X is...
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4001326 |
Benzobicycloalkane imines
Benzobicycloalkane amines, their pharmacologically acceptable addition salts, intermediates therefore the processes for their preparation and use. The compounds of the invention exert analgesic and...
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3968159 |
Process for preparing azomethines
Azomethines are prepared by reacting under carbon monoxide pressure an aromatic or heterocyclic aldehyde and an aromatic or heterocyclic nitro compound in the presence of a tertiary amine and Group...
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3966815 |
Preparation of 5,8-methano-5H-benzocyclohepten-10-amines
Processes for the preparation of 5,8-methano-5H-benzocyclohepten-10-amines are disclosed. The final products are analgesics.
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3962254 |
N-substituted-5,6-dihydroxycyclopentano[h]-1,2,3,4-tetrahydroisoquinolin es and ethers and esters thereof
N-substituted cyclopentano[h]-1,2,3,4-tetrahydroisoquinolines of the formula ##SPC1## Wherein R and R 1 represent hydroxy, lower alkoxy, lower akanoyloxy or aryl-lower alkanoyloxy groups, R 3 ...
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3954865 |
N-cycloalkyl substituted-10,11-dihydro 5H-dibenzo[a,d] cyclohepten-5-imines
5H-dibenzo[a,d]cyclohepten-5-imines having a cyclic alkyl group, such as cyclopropyl or cyclobutyl, and their 10,11-dihydro derivatives, are useful as plasticizers for polymers and also for their...
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3937731 |
Imine derivatives of alkylated aryl compounds
Disclosed are Schiff base derivatives of acylated aromatic hydrocarbons useful as oil soluble additives having pour point depressing and sludge dispersing properties.
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3935009 |
Electrophotographic reproduction element of an aniline compound electron acceptor
Reproduction elements coated with organic photoconductors are made with improved and/or more widely selectable electrophotographic properties by employing in the photoconductive coating a...
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3928446 |
Preparation of 3-oxo-19-nor-Δ4 -steroids from 10-[3-substituted-alkyl]-desasteroids
An improved process for converting 10-[3-substituted-alkyl]-19-nor-desA-steroids to pharmaceutically valuable 3-oxo-Δ 4 -19-nor steroids via oxime and hydrazine derivatives is described. The...
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3901945 |
1,1A,6,10b-Tetrahydrodibenzo (a,e) cyclopropa (c) cyclohepten-6-imines
6-(Substituted imino)-1,1a,6,10b-tetrahydrodibenzo[a,e]cyclopropa[c]cyclohe
ptenes are plasticizers for polyvinyl chloride polymers. Some of the compounds also have activity in the central nervous...
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3898281 |
Naphthyl acetaldehyde imines
2-(2'-Naphthyl) acetaldehyde derivatives optionally substituted at the 2 position and/or positions C-1', 4',5',7' or 8'; and/or position C-6' or positions C-5' and 7' exhibit anti-inflammatory,...
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3892807 |
Aromatic azomethines
Novel azomethines are obtained when reacting a tertiary amine with an aromatic aldehyde or ketone having in orthoposition an activated methoxy group. These azomethines are capable of ring closure...
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3883537 |
New 1,1a,6,10 b-tetrahydro-1,6-methano-dibenzo[a,e]cyclopropa[c]cycloheptene derivatives
Compounds of the class of 1,1a,6,10b-tetrahydro-1,6-methanodibenzo[a,e]cyclopropa[c]cy
cloheptene derivatives and their pharmaceutically acceptable acid addition salts have valuable pharmacological...
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3868421 |
9-(3 OXO-1-PROPENYL)-9,10-ETHANO-ANTHRACENES
9-(3-Oxo-1-propenyl)-9,10-dihydro-9,10-ethanoanthracenes possessing a nucleus of the formula ##SPC1## And their salts are useful as intermediate products for the manufacture of valuable compounds,...
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3624259 |
TETRACYCLIC COMPOUNDS
1-NITROSO-OR 1-ISONITROSO-1,2,6,7-TETRAHYDRO-11BH-benzo [j]benz[c,d]azulen-2-ones, which may be unsubstituted or substituted at the 3,4,5,8,9 and 10- positions, by hydroxy, lower alkoxy, lower...
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3532748 |
2-ADAMANTANAMINES
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3531491 |
CERTAIN 6-HEXANOYL OR 6-(1-HYDROXYHEXYL)BICYCLO(2.2.1)HEPT - 2 - ENE - 5 - CARBOXYLIC ACIDS,ESTERS THEREOF AND 5-YLKETONES
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3527806 |
10-ALKYL-ALKENYL- OR BENZYL-5-(3-AMINOPROPYLIDENE)-DIBENZO(A,D)CYCLOHEPTENES
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3458577 |
6-AMINO-6,7,8,9-TETRAHYDRO-5H-BENZOCYCLOHEPTEN-5-OLS
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3456008 |
AMINOPOLYCYCLODECANES
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