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Class 549/432 - Polycyclo ring system having the hetero ring as one of the cyclos


Subclass of Class 549 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein the hetero ring is one of the cyclos of
No. of patents: 62
Last issue date: 04/26/2011


1    
NumberTitleIssue Date
7932406Method for preparing 4β-amino-4′-demethyl-4-desoxypodophyllotoxin
The invention relates to a method for synthesizing 4β-amino-4′-demethyl-4-desoxypodophyllotoxin of formula (1), characterized by comprising the following successive steps: a) reacting, in a pure weak acid or in a mixture consisting of acid, water and of organic s...
04/26/2011
7261995Nitrogen-containing organic compound, chemically amplified resist composition and patterning process
Chemically amplified resist compositions comprising nitrogen-containing organic compounds having a 7-oxanorbornane-2-carboxylic ester structure have resolution and provide a precise pattern profile and are useful in microfabrication using electron beams or deep-UV l...
08/28/2007
70876414β-1″-[(2″-substituted benzoyl) anilino]podophyllotoxin analogues useful as anticancer agents
The present invention provides a new class of compounds 4β-1″-[{2″-benzoyl substituted}anilino] podophyllotoxin exhibiting anti cancer activity and a process for preparing the same. ...
08/08/2006
6906101Taxane derivatives and processes for the preparation thereof
A novel taxane derivative with anticancer activity, a process for its preparation and a process for the preparation of 14-β-hydroxy-1,14-carbonate-baccatine III and V derivatives 13-substituted by an isoserine residue. ...
06/14/2005
6903086Alkoxycarbonylamino benzoic acid or alkoxycarbonylamino tetrazolyl phenyl derivatives as IP antagonists
This invention relates to compounds which are generally IP receptor antagonists and which are represented by Formula I: wherein G1 is selected from the group consisting of a, b1 and b2,...
06/07/2005
6881850Heterocyclically annellated indenochromene derivatives
The present invention relates to specific photochromic heterocyclically annellated indenochromene derivatives and the use thereof in plastics of all types, particularly for ophthalmic applications. In particular, the present invention relates to indeno[1,2-h]chromen...
04/19/2005
6872841Etoposide analogs and methods of use thereof
Etoposide analogs such as 4′-O-demethyl-4β-[4″-(methyl-L-tyrosine-N-carbonyl)-anilino]-4-desoxy-podophyllotoxin (12) and 4′-O-demethyl-4β-[4″-(methyl-L-tryptophan-N-carbonyl)-anilino]-4-desoxypodophyllotoxin (13) are described, along with pharmaceutical fo...
03/29/2005
6861537Tricyclic and tetracyclic taxane intermediates
The synthesis of taxol and other tricyclic and tetracyclic taxanes. ...
03/01/2005
6686386Use of a RAR-γ-specific agonist ligand for increasing the rate of apoptosis
The present invention relates to pharmaceutical and cosmetic compositions comprising at least one agonist ligand, which is specific for receptors of the RAR-γ type, which are characterized as inducers of apoptosis in at least one cell population in which...
02/03/2004
6660727Photochromic heterocyclically anellated indenochromene compounds
The present invention relates to specific photochromic heterocyclically annellated indenochromene derivatives and the use thereof in plastics of all types, particularly for ophthalmic applications. In particular, the present invention relates to indeno[2,...
12/09/2003
6653344Pharmaceutical preparations containing a dibenzocyclooctane lignan derivative for treatment of neurodegenerative disease
The present invention relates to the use of a dibenzocyclooctane lignan derivative of the following general formula (I) for treatment of neurodegenerative disorders: ##STR1## wherein R1 is H or C1-4 lower alkyl; R2, R...
11/25/2003
6566393Etoposide analogs and methods of use thereof
Etoposide analogs such as 4'-O-demethyl-4ଲ-[4"-(methyl-L-tyrosine-N-carbonyl)-anilino]-4-desoxy -podophyllotoxin (12) and 4'-O-demethyl-4ଲ-[4"-(methyl-L-tryptophan-N-carbonyl)-anilino]-4-deso xypodophyllotoxin (13) are described, along with...
05/20/2003
6462074Substituted ଱, ଲ-anellated butyrolactones
The present invention relates to novel substituted (଱,ଲ-fused butyrolactones, to processes for their preparation and to their use for the prevention and/or treatment of disorders caused by hyper- or hypofunction of the glutamatergic system, in...
10/08/2002
6448412Methods for the preparation and characterization of multi-substituted fullerenes
The invention is directed to multiply-substituted fullerene derivatives of novel configurations, and methods for their preparation and use. The methods involve the combinatorial synthesis of a library of fullerene derivatives and comprises the steps of fo...
09/10/2002
6433189Tricyclic and tetracyclic taxane intermediates
The synthesis of taxol and other tricyclic and tetracyclic taxanes....
08/13/2002
6399785Multiply-substituted fullerenes
The invention is directed to multiply-substituted fullerene derivatives of novel configurations, and methods for their preparation and use. The methods involve the combinatorial synthesis of a library of fullerene derivatives and comprises the steps of fo...
06/04/2002
6383521Wondonin A and process for preparing the same
The present invention provides Wondonin A of general formula (I), which is extracted from a two-sponge association of phylum Porifera (sponge) and has antiangiogenic activity, and a process for preparing the same. Wondonin A has no cytotoxicity, but has a...
05/07/2002
6355813process of making 3-phenyl-1-methylenedioxyphenyl-indane-2-carboxylic acid derivatives
Invented is an improved process for preparing aromatic ring-fused cyclopentane derivatives. Preferred compounds prepared by this invention are indane carboxylates and cyclopentanopyridine derivatives. The most preferred compounds prepared by this inventio...
03/12/2002
6340704Cell differentiation inducing amide derivatives, their production and use
The present invention provides a compound represented by the formula: ##STR1## wherein R1 is an amino group which may be substituted; R2 is a hydrogen atom or a lower alkyl group which may be substituted; X is a methyne group which m...
01/22/2002
6284789Formation and composition of new optically active compounds
The present invention is directed to tetrahydronaphthalene derivatives of ଱-conindendrin, ଲ-conindendrin, sikkimotoxin, and podophyllotoxin having at least one methyleneoxy bridge wherein the oxygen atom extends to the benzhydrylic carbon atom...
09/04/2001
6207673Covalent conjugates of topoisomerase I and topoisomerase II inhibitors
The present invention provides covalent conjugates of topoisomerase I and topoisomerase II inhibitors. Such compounds have a structure according to formula I: TI --L--TII (I) wherein: TI is a topoisomerase I inhibitor such as ...
03/27/2001
6187819Protein kinase C activators and their use in decreasing expression of cell antigens
A composition for the upregulation of expression of cell antigens, without inducing shedding, which comprises a protein kinase C activator is provided by this invention. Further provided by this invention is a method of detecting and treating tumor cells ...
02/13/2001
6162926Multi-substituted fullerenes and methods for their preparation and characterization
The invention is directed to multiply-substituted fullerene derivatives of novel configurations, and methods for their preparation and use. The methods involve the combinatorial synthesis of a library of fullerene derivatives and comprises the steps of fo...
12/19/2000
6114549Process of making 3-phenyl-1-methylenedioxyphenyl-indane-2-carboxylic acid derivatives
Invented is an improved process for preparing aromatic ring-fused cyclopentane derivatives. Preferred compounds prepared by this invention are indane carboxylates and cyclopentano[b]pyridine derivatives. The most preferred compounds prepared by this inven...
09/05/2000
6075140Pentacyclic compound
The present invention relates to a novel taxol derivative having an antitumor activity which is represented by formula (1). ##STR1## [In the formula (I), R1 : a phenyl group, R2 : an alkyl group, an alkenyl group, an alkynyl gro...
06/13/2000
6069174Protein kinase C activators and their use in increasing expression of cell antigens
A composition for the upregulation of expression of cell antigens, without inducing shedding, which comprises a protein kinase C activator is provided by this invention. Further provided by this invention is a method of detecting and treating tumor cells ...
05/30/2000
6005120Tricyclic and tetracyclic taxanes
The synthesis of taxol and other tricyclic and tetracyclic taxanes....
12/21/1999
5998408Triterpene derivatives with immunosuppressant activity
The compounds of Formula I ##STR1## are useful as immunosuppressive agents....
12/07/1999
5948817Polycyclic ethyl alkylamide melatonergic agents
Novel polycyclic ethyl alkylamides of formula I are active as melatonergic agents. ##STR1## wherein Z=CH (when a double bond is present) or (CH2)n, wherein n is 1-4; X=O, CH2, or CH (when a double bond is present); R=...
09/07/1999
591705610-deacetyl-14ଲ-hydroxybaccactine III derivatives, a process for the preparation thereof and formulations containing them
The present invention relates to novel 10-deacetyl-14ଲ-hydroxybaccatine III derivatives. The novel derivatives, having cytotoxic and antitumour activity, are prepared from this synton after functionalization of the hydroxyls at 1-, 14- as thioc...
06/29/1999
5892062Cyclic cedrene acetals, their preparation and their use
Cyclic cedrene acetals of the general formula A are described, in which the wavy lines represent the ଱- and ଲ-configurations, and R and R1 are the radicals below: ##STR1## R=R1 =H R=H, R1 =Me/R=Me, R1...
04/06/1999
5777137Pancratistatins and processes for their production
Disclosed are novel pancratistatins and methods for their total asymmetric synthesis. In particular embodiments, processes for the total asymmetric synthesis of (+)-pancratistatin, (-)-pancratistatin, (+)-7-deoxypancratistatin, (-)-7-deoxypancratistatin, ...
07/07/1998
5750734Process for the preparation of steroid derivatives
A process is described for the preparation of a compound of formula (I) or a stereoisomeric compound thereof, in which the 1,2-position is saturated or is a double bond; X1 and X2 are each independently hydrogen or halogen; R1
05/12/1998
5705704Tricyclic 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 thiocolchicine derivatives....
01/06/1998
5681964Permeable, non-irritating prodrugs of nonsteroidal and steroidal agents
Prodrugs containing an active drug molecule linked to a polyethylene glycol group, and a method of use thereof are described. Exemplary soluble ester prodrugs contain naproxen, triamcinolone acetonide, gancyclovir, taxol, cyclosporin, dideoxyinosine, trih...
10/28/1997
5681860Method of increasing expression of HLA, cell surface and TAA antigens of cells using 3-(N-acetylamino)-5-(N-decyl-N-methylamino)-benzyl alcohol
A composition for the upregulation of expression of cell antigens, without inducing shedding, which comprises a protein kinase C activator is provided by this invention. Further provided by this invention is a method of detecting and treating tumor cells ...
10/28/1997
55412234ଲ-amino podophyllotoxin analog compounds and methods
Novel podophyllotoxin compounds and their use in treating tumors are disclosed. The analogs have the general formula: ##STR1## wherein NH--R is a selected aryl amine, dialkylaminoalkyleneamino, or dialkylaminoanilino group....
07/30/1996
5534499Lipophilic drug derivatives for use in liposomes
The present invention provides novel lipophilic drug derivatives which are capable of being formulated in liposomes or micelles. These drug derivatives are known therapeutic agents which are covalently attached to a fatty acid chain of a phospholipid, gly...
07/09/1996
54810107-deacetoxy beccatine IV derivative and preparation and use thereof
This invention relates to a novel 7-deacetoxy baccatine IV derivative having formula (I): ##STR1## the preparation thereof from taxine B, and its use in preparing biologically active products. In said formula (I), R is a hydrogen atom or acetyl ...
01/02/1996
5264591Baccatine III derivatives
Isolation of a new taxane having pharmaceutical activity, 1a 14-beta-hydroxy-10-deacetyl-baccatine III and hemisynthesis of some derivatives useful as antitumor agents and intermediates....
11/23/1993
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