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7592350 Polycyclic compounds as potent alpha2-adrenoceptor antagonists  
A compound of formula I, wherein X, Z, R 1 to R 10 , R 15 , R 16 , m, n, r and t are as defined in claim 1, or a pharmaceutically acceptable salt or ester thereof, useful as an alpha-2...
7557118 Preparation of fused polycyclic alkaloids by ring closure of azomethine ylides, novel compounds thereof and their use as chemotherapeutic agents  
A method for the preparation of a compound of general Formula: or pharmaceutically acceptable derivatives and salts, racemates, isomers and/or tautomers thereof comprising cyclizing an...
7547785 Process for preparing topotecan  
A process for preparing topotecan.
7435818 Crystal forms of irinotecan hydrochloride  
The present invention provides for novel crystalline forms of irinotecan hydrochloride and processes for their preparation, pharmaceutical compositions containing the novel forms and methods for...
7396837 Antitumoral analogs of lamellarins  
New lamellarins are provided of the general formula III or a pharmaceutically acceptable salt, derivative, prodrug or stereoisomer thereof
7199130 Substituted 5,6,6a, 11b-tetrahydro-7-oxa-5-aza-benzo[c]fluorene-6-carboxylic acid compounds as NMDA-antagonists  
Substituted 5,6,6a,11b-tetrahydro-7-oxa-5-aza-benzo[c]fluorene-6-carboxy lic acid compounds, and processes for the production thereof, pharmaceutical compositions containing these compounds and the...
7148351 Fluorescent monomers and tagged treatment polymers containing same for use in industrial water systems  
Fluorescent monomers are described and claimed which are synthesized by reacting a substituted or non-substituted naphthalic anhydride with an amine and with a moiety containing a polymerizable...
7144891 Benzo[b ]pyrano[3,2- h ]acridin-7-one cinnamate compounds  
A compound selected from those of formula (I): wherein: X and Y represent a group selected from hydrogen, halogen, alkoxy, nitro, cyano, alkyl, alkenyl, polyhaloalkyl and —NR a R b ...
7109043 Fluorescent probe for magnesium ion determination  
A fluorescent probe for measuring magnesium ion, which can selectively form a complex with magnesium ion in aqueous system is disclosed. The fluorescent probe for measuring magnesium ion according...
7057045 Process for obtaining 17β-(substituted)-3-oxo-Δ1,2-4-azasteroids and intermediates  
The 17β-(substituted)-3-oxo-Δ 1,2 -4-azasteroids (I), wherein R 1 is C 1 –C 4 alkyl, OR 2 , wherein R 2 is a C 1 –C 4 alkyl radical, or NR 3 R 4 , wherein R 3 and R 4 , equal or...
6930184 Functional fluorescent dyes  
Fluorescent functional dyes represented by the following formulas: wherein R 1 is hydrogen or methyl; R 2 , R 3 , R 4 , R 5 , and R 6 are each independently selected from the group...
6867301 Oxidation process for highly dispersible quinacridone pigments  
A process for the preparation of a quinacridone comprises oxidation of a 6,13-dihydroquinacridone using hydrogen peroxide, wherein a polymeric dispersant is present in the oxidation reaction...
6824766 Biodegradable high molecular weight polymeric linkers and their conjugates  
The present invention includes polymeric transport systems corresponding to the formula: wherein: R 31 is a linear or branched polymer residue; Y 10 and Y 11 are independently O, S, or NR 40...
6784187 8-carboxamido-2,6-methano-3-benzazocines  
8-Substituted-2,6-methano-3-benzazocines of general structure I in which A is —CH 2 —OH, —CH 2 NH 2 , —NHSO 2 CH 3 , and Y is O, S or NOH are useful as analgesics, anti-diarrheal agents,...
6642248 Benzo&lsqb b&rsqb pyrano&lsqb 3,2-h&rsqb acridin-7-one compounds  
A compound selected from those of formula (I): wherein: X and Y represent group selected from hydrogen, halogen, mercapto, cyano, nitro, alkyl, trihaloalkyl, trihaloalkylcarbonylamino, —ORa,...
6608076 Camptothecin derivatives and polymeric conjugates thereof  
Polymeric conjugates of camptothecin derivatives having increased circulating half-lives are disclosed. In preferred aspects, the E ring lactone of the camptothecin derivative is opened and...
6559306 Dye compounds  
This invention relates to new fluorescent or non-fluorescent dye compounds having a terminal hydroxy, carboxylic acid/ester or amino group and a process for their preparation. The new fluorescent...
6548515 Dihydrofuro&lsqb 3,4-b&rsqb quinolin-1-one compounds  
The invention relates to compound of formula (I): wherein: represents a single or double bond, R 0 represents hydrogen or hydroxy or alkoxy, R 1 and R 2 , which are identical or different,...
6503919 Compounds of 7-oxo-2,3,7,14-tetrahydro-1H-benzo&lsqb b&rsqb pyrano&lsqb 3,2-h&rsqb acridin carboxylate  
A compound selected from those of formula (I): wherein: X and Y represent hydrogen, halogen, hydroxy, mercapto, cyano, nitro, alkyl, alkoxy, trihaloalkyl, optionally substituted amino,...
6379591 Naphthopyrans annelated in C5-C6 with a lactam-type C6 ring and compositions and (co)polymer matrices containing them  
The invention relates to novel naphthopyran-type compounds having a lactam-type 6-membered ring annelated in position C 5 -C 6 . These compounds have the formula (I) given below: These compounds...
6365594 Heterocycle-condensed morphinoid derivatives (II)  
Heterocycle-condensed morphinoid derivatives of formula (I), or solvates or salts thereof, are potent and selective delta opioid agonists and antagonists and are useful as i.a. analgesics....
6288073 Acronycine derivatives, preparation method and pharmaceutical compositions  
A compound selected from those of formula (I): ##STR1## in which: X and Y represent hydrogen, halogen, hydroxy, mercapto, cyano, nitro, alkyl, alkoxy, trihaloalkyl, optionally substituted amino,...
6277536 Heterocyclic compounds  
Compounds of the formula (I) ##STR1## in which the substituents are as defined in claim 1 are valuable colorants for the mass coloring of polymers, with fluorescence property, in...
6207084 Naphthopyrans annelated in C6-C7, their preparation and compositions and (CO)polymer matrices containing them  
The present invention relates to novel naphthopyrans having a cyclic group annelated in position 6,7. These naphthopyrans have formula (I) given below: ##STR1## These compounds (I) have...
6156236 Conductive organopolysiloxane composition  
A conductive organopolysiloxane composition is provided which includes (A) 100 parts by weight of an organopolysiloxane; and (B) 0.1 to 800 parts by weight of a conductive material obtained by...
6020341 Enediyne quinone imines and methods of preparation and use thereof  
A quinone imine enediyne possessing cytotoxic activity towards cancer cells having general structure (I) wherein R 1 , R 2 and R 3 are independently the same or different and are H, Br, Cl, F, NH...
6013802 Fluorescent conjugates of metal-chelating nitrogen heterocycles  
The present invention describes a family of fluorescent indicators for metal cations. The indicators are fluorophore conjugates of pyridyl-based metal ion chelators. The indicators are very...
5861411 4-Acylaminopyridine derivative  
A novel 4-acylaminopyridine derivative represented by the following formula (I) is disclosed. ##STR1## The 4-acylaminopyridine derivative of the present invention is useful as a medicine for...
5723625 Process for the production of specific isomer mixtures from oxindole alkaloids  
To produce defined isomer mixtures of compounds with spirocyclic beta-aminocarboxyl and/or beta-aminocarbonyl systems the invention supposes that they be dissolved in solvents which have good...
5530139 Condensed heterocyclic compound with a sulfonic acid group and process for producing the same  
A condensed heterocyclic compound having a structure represented by formula (I): ##STR1## wherein the substituents are as defined in the specification herein.
5527805 Dynemicin analogs: syntheses, methods of preparation and use  
A fused ring system compound is disclosed that contains an epoxide group on one side of the fused rings and an enediyne macrocyclic ring on the other side of the fused rings. The compounds have...
5276053 Polycyclic amines useful as cerebrovascular agents  
A novel series of polycyclic amines, derivatives, methods of making the compounds, novel intermediates, compositions containing them, and methods for using them in the treatment and prevention of...
5227487 Certain tricyclic and pentacyclic-hetero nitrogen rhodol dyes  
Novel fluorescent dyes based on the rhodol structure are provided. The new reagents contain functional groups capable of forming a stable fluorescent product with functional groups typically found...
5071853 Polycyclic amines useful as cerebrovascular agents  
A novel series of polycyclic amines, derivatives, methods of making the compounds, novel intermediates, compositions containing them, and methods for using them in the treatment and prevention of...
4766055 Photopolymerizable composition containing a certain xanthene or thioxanthene dyestuff  
Disclosed is a photopolymerizable composition which is very sensitive to visible light. The composition comprises a polymerizable compound and a photopolymerization initiator wherein the...
4547579 Substituted benzopyran compounds  
There are described novel dyes of the formulae ##STR1## in which R 1 and R 2 independently of one another are each hydrogen, unsubstituted or substituted alkyl, cycloalkyl, aralkyl or aryl, and R...
4242139 Water soluble benzoxanthene dyestuffs for fluorescent inks  
Water-soluble dyestuffs of the formula ##STR1## in which Y is oxygen or an imino group, R 1 and R 2 are hydrogen, halogen or lower alkyl or lower alkoxy, n is 1 to 3 and Z is a cation, are useful...
4108667 Photographic compositions and elements containing benzo[a]quinolizinium methine dyes  
The invention relates to methine dyes and photographic silver halide compositions and film elements comprising methine dyes which contain 9,9a-dihydropyrido-[1,2-a]indolium nuclei,...
4078890 Process for the dyeing and printing of polyester material  
The invention relates to a process for the dyeing and printing of polyester material in a weakly acid, neutral or alkaline solution of at least one altered dispersion dyestuff water-soluble at an...
4067889 Disperse dyestuffs  
Dyestuffs of the formula (I) ##STR1## wherein F represents a ring system with at least 3 rings which are angularly condensed with one another, n is 1, 2 or 3, and R, R 1 and R 2 represent...
4046501 Process for the dyeing and printing of synthetic polyamides  
It has been found that dyestuffs of the formula ##STR1## in which p stands for an integer of from 1 to 6, and W represents, as a water-solubilizing group, the sulfo group, the sulfato group (--OSO...
4005092 Pyrylium dyes having a fused, rigidized nitrogen-containing ring  
A class of pyrylium dyes, having at least one rigidized, nitrogen-containing heterocyclic ring fused thereto is described. The rigidized dyes are useful lasing components in lasing media.
4003750 Silver halide emulsion containing photographic sensitizing dyes  
Methine dyes comprising first and second nuclei joined by a double bond or a methine linkage. The first nuclei may be either A. a pyrido nucleus joined at the 4- or 6-carbon atom thereof to said...
3947450 Benzoxanthene and benzothioxanthene dicarboxylic acid imide dyestuffs and process for their manufacture  
Benzoxanthene- and benzothioxanthene-dicarboxylic acid imide dyestuffs of the general formula ##SPC1## Wherein X is oxygen or sulfur, R is amino which is substituted by one or two members of...
3888863 Benzoxanthene and benzothioxanthene dyestuffs and process for their manufacture  
Valuable benzoxanthene and benzothioxanthene dyestuffs of the general formula ##SPC1## In which X represents an oxygen or sulfur atom, Y represents ##SPC2## Groups, wherein R stands for a hydrogen...
3888862 Water-soluble reactive xanthene dyestuffs and process for preparing them  
Novel water-soluble, reactive xanthene dystuffs of the ##SPC1## In which R 1 and R 2 , being identical or different, each represent hydrogen, chlorine, bromine, lower alkyl or lower alkoxy, X...
3873940 Laser media containing rigidized dyes  
Dyes containing at least one rigidized chromophoric nitrogen atom which is part of one or two fused 5-, 6- or 7- membered heterocyclic ring structures are useful as laser dyes. These dyes are used...
3853884 BENZOXANTHENE AND BENZOTHIOXANTHENE DYESTUFFS  
Dyestuffs consisting of the mixture of isomers of the formula I ##SPC1## wherein X is oxygen or sulfur, R 1 is hydrogen, alkyl having 1 to 20 carbon atoms, methoxycarbonylmethyl,...
3759953 BENZOXANTHENE AND BENZOTHIOXANTHENE  
Valuable benzoxanthene and benzothioxanthene dyestuffs of the general fora l ##SPC1## In which X represents an oxygen or sulfur atom, Y represents an oxygen atom or a ##SPC2## group, wherein R...
3518258 PYRANO(3,2-I)QUINOLIZINE AND PROCESS FOR THE PRODUCTION  
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