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3862214 |
2-HYDROXY-2-(METHYLSULFONYL)-ACETOPHENONE ACETATES AND RELATED COMPOUNDS
Compounds of the formula I are disclosed: ##SPC1## In the above formula, R 1 and R 2 represent hydrogen, lower alkyl, lower alkoxy, aryl, and halogen, or R 1 and R 2 taken together with the...
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3859305 |
INDOLE AMINOKETONES
Compounds of the formula ##SPC1## Their salts and quaternary ammonium compounds, as well as their optically active isomers or diastereomers wherein R 1 to R 4 represent hydrogen, halogen, lower...
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3857847 |
6,7 SUBSTITUTED 4 (3[3(R) ALKYL, 4(S)PIPERIDYL]-2-OXOPROPYL)QUINOLINE AND RACEMATES
The preparation of quinine, quinidine, isomers and derivatives thereof from the correspondingly substituted 4-methylquinoline and 1-acyl(or 1-H)-3-vinyl(or lower alkyl)-4-piperidine acetic acid...
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3857837 |
PROCESSES AND INTERMEDIATED FOR QUININE, QUINIDINE, ISOMERS AND DERIVATIVES THEREOF
The preparation of quinine, quinidine, isomers and derivatives thereof from the correspondingly substituted 4-methyl-quinoline and 1-acyl(or 1-H)-3-vinyl(or lower alkyl)-4-piperidine acetic acid...
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3755330 |
1-α-HYDROXYBENZYL 3-METHYL, 1,2,3,4-TETRAHYDROISO QUINOLINO-2-CARBONITRILES
Compounds are of the class of 1-aryl-3-amino-1,5,6,10b-tetrahydro-3H-oxazolo[4,3-a]isoquin
olines, useful as central nervous system stimulants.
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3728352 |
PHENYLALKYLAMINOTETRAHYDROISOQUINOLINES
Reaction of a 1-aminomethyl-1,2,3,4-tetrahydro-6,7-dimethoxyisoquinoline with an aldehyde or ketone effects ring-closure to an imidazo compound, viz., a...
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3725388 |
N-ACYL-7-(N"-CYCLOALKYL-UREIDO-N'-SULFONYL)-ISOQUINOLINES AND -BENZAZEPINES AND ALKALI METAL SALTS THEREOF
Compounds of the formula ##SPC1## Wherein R 1 is straight or branched alkyl of one to four carbon atoms, phenyl, alkoxy of one to three carbon atoms -- phenyl, tolyl, trifluoromethyl-phenyl,...
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3715351 |
CYANINE DYES CONTAINING A CYCLOPENTANONE NUCLEUS
Novel cyanine dyes containing a cyclopentanone nucleus in the methine chain are prepared by the acid hydrolysis of cyanine enamine derivatives. These cyanine dyes are spectral sensitizers for...
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3682926 |
TETRAHYDROISO QUINOLINECARBOXAMIDES
N-[ Phenyl(CH 2 ) m ] -2-(R)-1,2,3,4-tetrahydro-6,7-dimethoxy-1-isoquinolinecarbox
amides, wherein m is 0, 1 or 2 and R is hydrogen, lower-alkyl or α-halo lower-alkanoyl, are intermediates for...
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3676444 |
HALOALKANOYLTETRAHYDROISOQUINOLINECARBO-XYLIC ACID ESTERS
Ethyl 2-(α-halo lower-alkanoyl)-1,2,3,4-tetrahydro-6,7-dimethoxy-1-isoquinol
inecarboxylate s are intermediates for the preparation of...
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3674800 |
DERIVATIVES PYRIDINIUM OF POLYFLUOROISOALKOXYALKANAMIDES
N-methylol and N-halomethyl derivatives of polyfluoroisoalkoxyalkanamides, and their substituted ammonium salts characterized in that an ether oxygen links a fluorinated carbon atom attached to two...
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3539584 |
5-SUBSTITUTED-2,1-BENZISOTHIAZOLINES
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3514465 |
CERTAIN THIAZOLYL- AND PYRIDINYLAMINOKETONES
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3509131 |
DIAZIRINE SUBSTITUTED CARBOXYLIC AMIDES
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3501478 |
8-BENZYLOXY - 7 - METHOXY-2-METHYL-1,2,3,4 - TETRAHYDROISOQUINOLINES AND INTERMEDIATES
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3491101 |
5,8-DIOXYGENATED ISOQUINOLINE-4-CARBOXYLATES
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3483206 |
N-ISOQUINOLYLALKANOYL-N-ARYLAMINES
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3480714 |
N-SUBSTITUTED ISOQUINOLINES AS ANTIPROTOZOAL AGENTS
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3476755 |
8,13-DIAZASTEROIDS
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3472870 |
SULFONAMIDOTRYPTAMINES
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3450704 |
SUBSTITUTED 2 - (3 - ARYL - 3 - KETO (OR 3-HYDROXY)-PROPYL) - 1,2,3,4 - TETRAHYDROISOQUINOLINES
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3395152 |
Preparation of d, 1-pseudoyohimbanes
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3393195 |
1, 2, 3, 6, 7, 11b-hexahydro-4h-pyrazino-2, 1-a-isoquinolines
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3389140 |
1-beta-arylaminoethyl-2-methyl-6, 7-dimethoxy-1, 2, 3, 4-tetrahydroisoquinolines
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3376300 |
O-(n-hetero carbonyl-indolyl-3)-glycolic acids, amides and esters thereof
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3375254 |
Manufacture of 1, 2, 3, 4, 6, 7-hexahydro-2-oxo-11bh-benzo(a)quinolizines
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3337567 |
Beta-hydroxy di-heterocyclic aryl derivatives of acrylamides
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3337565 |
alpha-(3-pyridyl)-beta-hydroxy-alpha-(substituted phenyl)-acrylonitrile and derivatives thereof
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3334106 |
N(aryl)n(hydrocarbyl)-omega-(4-phenyl-4-piperidinocarbonylheteroamine) alkanoamide
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3320278 |
Alpha-(2-amino)-3-indolyl lower aliphatic acid derivatives
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3316260 |
Derivatives of alpha amino-indole-3-acetic and propionic acids
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3252989 |
Pyrazole-1-carboxamidines
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3245997 |
3-substituted 1-(1, 2, 3, 4-tetrahydro-2-isoquinolyl) alkyl-2-thioureas
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3242185 |
Lower aliphatic acids, salts and derivatives thereof
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3238212 |
1-substituted-1-phenyl(or substituted phenyl)-2-[2-methyl-6, 7-substituted-1, 2, 3, 4-tetrahydroisoquinolinyl-(1)] ethanes
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3234227 |
N-benzyl emetine
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3227720 |
Tetrahydroisoquinoline compounds
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3207759 |
Isoquinoline acetamides and acetonitriles
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3148187 |
Sulfonated cyanine and merocyanine dyes
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3133061 |
Piperidine carboxamides and derivatives thereof
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3120527 |
Direct acylation of heterocyclic bases
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3079394 |
Novel chemical compound
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3051707 |
Unsymmetrical mono-(aminoalkylene)-hydrazines
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3029247 |
Certain tetrahydro-beta-carbolines
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3021331 |
Azabenzopyridocolines
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3015661 |
Decahydroisoquinoline derivatives
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3015662 |
Benzopiperidinoalkylimides
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2991290 |
Nu-alkylamino-alpha-hydroxy-alkanoic acid amides
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2921939 |
Process for preparing alpha-substituted acetic acids
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2870162 |
Production of certain tryptamines and compounds produced in the process
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