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Class 549/299 - Tricyclo ring system having the lactone ring as one of the cyclos


Subclass of Class 549 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein the polycyclo ring system consists of
No. of patents: 149
Last issue date: 11/13/2012


1        
NumberTitleIssue Date
8309744Prostaglandin synthesis and intermediates for use therein
Fused cyclopentane—4-substituted 3,5-dioxalane lactone compounds useful as an intermediate in the synthesis of prostaglandin analogs are provided. The compounds have the formula A: wherein R represents an aryl group such ...
11/13/2012
8258319Exo- and diastereo- selective synthesis of himbacine analogs
This application discloses a novel process for the preparation of himbacine analogs useful as thrombin receptor antagonists. The process is based in part on the use of a base-promoted dynamic epimerization of a chiral nitro center. The chemistry taught herein can be...
09/04/2012
8153826Process for production of (±)-3a,6,6,9a-Tetramethyldecahydronaphtho[2,1-b]Furan-2(1H)-one
The present invention relates to industrially useful production processes in which (±)-3a,6,6,9a-tetramethyldecahydronaphtho[2,1-b]furan-2(1H)-ones and further (±)-3a,6,6,9a-tetramethyldo decahydronaphtho[2,1-b]furans are produced from raw materials which are read...
04/10/2012
7928252Prostaglandin synthesis and intermediates for use therein
Fused cyclopentane—4-substituted 3,5-dioxalane lactone compounds useful as an intermediate in the synthesis of prostaglandin analogs are provided. The compounds have the formula A: wherein R represents an aryl group such ...
04/19/2011
7737286α-Hydroxy-benzeneacetic acid derivatives, and compounds having two 5-membered latone rings fused to central cyclohexa-1,4-diene nucleus based upon the same, and uses of the compounds
The present invention provides α-hydroxy benzeneacetic acid derivatives of the formula as defined in the specification which is a precursor indispensable for synthesis of compounds having two 5-membered lactone rings fused to central cyclohexa-1,4-diene nucleus, an...
06/15/2010
7626045Synthesis of himbacine analogs
The present invention relates to an improved process for preparing himbacine analogs. The compounds are useful as thrombin receptor antagonists. The improved process may allow for at least one of easier purification by crystallization, easier scalability, and improv...
12/01/2009
7605275Exo- and diastereo- selective syntheses of himbacine analogs
This application discloses a novel process for the preparation of himbacine analogs useful as thrombin receptor antagonists. The process is based in part on the use of a base-promoted dynamic epimerization of a chiral nitro center. The chemistry taught herein can be...
10/20/2009
7312242Use of parthenolide derivatives as antileukemic and cytotoxic agents
Compounds of the formula having anti-tumor activity, wherein R1 and R2 are as described herein ...
12/25/2007
7226625Identification of compositions, compositions, and methods of treatment of obesity and overweight conditions
A method for the identification of a composition useful in the treatment of an overweight or obese person to reduce the person's body mass index is provided which comprises obtaining an extract of an ethnobotanical plant, and evaluating the activity of the extract i...
06/05/2007
7214713Antraquinone compositions as anticancer compositions and nutrition supplements and methods of making and using them
A food supplement having prophylactic and-cancer effects, wherein the supplement comprises 20 to 99.99% by weight of a product of biosynthesis by the productive microorganism Penicillium oxalicum var. Armeniaca CCM 8242, obtained by fermentation of a nutrient broth ...
05/08/2007
7193041Method for purification of recombinant proteins
Purification of poly-amino acid-tagged recombinant proteins has been improved by the use of a carboxymethylated aspartate ligand complexed with a third-block transition metal having an oxidation state of 2+ and a coordination number of 6. A method for syn...
03/20/2007
7118604Non azo disperse dye mixtures
The present invention refers to a dye mixture comprising an azo dye of the formula (I) and one or more dyes of the general formula (II) wherein ...
10/10/2006
7090856Anti-fouling exopolysaccharides isolated from cultures of and
An anti-fouling agent derived by culturing Vibrio alginolyticus in a suitable aqueous solution as well as a newly isolated strain of V. alginolyticus (DSM 15590) for producing the anti-fouting agent. The anti-fouling agent can be used as a component to...
08/15/2006
7019152Process for the optical resolution of a precursor of sclareolide
The present invention relates to the field of organic synthesis and more particularly to a new process for the optical resolution of a precursor of sclareolide. This process includes the reaction of [(1RS,2RS,4aSR,8aSR)-2-hydroxy-2,5,5,8a-tetramethyldecahydronaphtha...
03/28/2006
6989446Process for the preparation of 3-aryl-benzofuranones
Process for the preparation of compounds of formula I wherein the general symbols are as defined in claim 1, which process comprises reacting a compound of formula V wherein ...
01/24/2006
6713435Method for producing optically active lactone compounds by using salen cobalt complexes having a cis-β structure
A method for producing an optically active lactone compound by Baeyer-Villiger oxidation of a cyclic ketone compound with at least one kind of oxidants selected from the group consisting of hydrogen peroxide and urine-hydrogen peroxide adduct (UHP) using a cobalt(sa...
03/30/2004
6576766Signal transduction inhibitors, compositions containing them
This invention concerns compounds for inhibiting intracellular signal transduction, especially intracellular signal transduction mediate by one or more molecular interactions involving a phosphotyrosine-containing protein. This invention also relates to p...
06/10/2003
6509480Glucose and lipid lowering compounds
Provided are, among other things, lipid-lowering or glucose-lowering methods and compounds, particularly lipid-lowering or glucose-lowering compounds, with an A-B ring structure as follows: ##STR1## wherein the dotted line between carbons 5 and 6, the dot...
01/21/2003
6492533Bismethine benzodifuranone derivative colorants
Colorants comprising a chromophore having two methine moieties attached to a benzodifuranone backbone, wherein said moieties optionally have at least one poly(oxyalkylene) chain, preferably at least two such chains attached thereto are provided. Such colo...
12/10/2002
6476238Purification method for obtaining high-purity PMDA
A purification method for obtaining high-purity PMDA. The method controls temperatures of cyclone separators in a series to separate PMDA and other by-products of different sublimation temperatures. High-purity PMDA is collected in the first cyclone separ...
11/05/2002
6462204Polycyclic dyes
The present invention refers to a polycyclic dye of the formula (I) ##STR1## wherein each of R1, R2, R4 and R5, independently, is hydrogen, alkyl or alkoxy; R3 is hydrogen, alkyl, optionally substituted al...
10/08/2002
6429203Farnesyl-protein transferase inhibitors
Substantially pure preparations of phosphosesquiterpenes are described. The compounds inhibit farnesyl-protein transferase activity and are useful for the treatment of cancer. Methods for inhibiting farnesyl-protein transferase activity are also described...
08/06/2002
6417358Process for the preparation of 3-aryl-benzofuranones
Process for the preparation of compounds of formula (I), wherein the general symbols are as defined in claim 1, which process comprises reacting a compound of formula (V), wherein the general symbols are as defined in claim 1, with carbon monoxide in the ...
07/09/2002
6392059Hydronaphtho[2,3-c]furan derivatives and process for the preparation thereof
Intermediates for the preparation of himbacine exhibiting muscarinic M2 receptor antagonism, which are hydronaphtho[2,3-c]furan derivatives represented by general formula (1) or intermediates for the preparation thereof: ##STR1## wherein R1
05/21/2002
6387258Method of purifying statins from a fermentation broth
A process for purifying statin compounds from a fermentation broth by extraction and crystallization is disclosed. A fermentation broth is subjected to a pretreatment procedure which involves an alkaline pretreatment and an alkaline purification. Followin...
05/14/2002
6326396Glucose and lipid lowering compounds
Provided are, among other things, lipid-lowering or glucose-lowering methods and compounds, particularly lipid-lowering or glucose-lowering compounds, with an A-B ring structure as follows: ##STR1## wherein the dotted line between carbons 5 and 6, the dot...
12/04/2001
6262110Farnesyl-protein transferase inhibitors
Substantially pure preparations of phosphosesquiterpenes are described. The compounds inhibit farnesyl-protein transferase activity and are useful for the treatment of cancer. Methods for inhibiting fanesyl-protein transferase activity are also described....
07/17/2001
6255338Use of calcium intracellular store inactivators and formulations thereof as cell growth inhibitors
The use of a calcium intracellular store inactivator for inhibiting cell growth is disclosed; for example, thapsigargin or a derivative may be used to inhibit intraocular lens cell growth. Formulations include an emulsion of the compound for coating an IO...
07/03/2001
6255339Tetrahydronaphthofuranone derivatives and process for producing the same
Compounds represented by the following formula (I) and pharmaceutically acceptable salts thereof are disclosed. The compounds have progesterone receptor binding inhibitory activity and, hence, can be used as therapeutic and prophylactic agents for progest...
07/03/2001
62185523-phenyl-7-[4-(tetrahydrofurfuryloxy)phenyl]-1,5-dioxa-s-indacene-2,6-dione
A compound, 3-phenyl-7-[4-(tetrahydrofurfuryloxy)phenyl]-1,5-dioxa-s-indacene-2,6-dion e, which has a structure of crystals exhibiting the strongest peak at an angle of diffraction, 2θ, of 4.7°, among peaks appearing within the range of not smaller ...
04/17/2001
6197767Arglabin compounds and therapeutic uses thereof
The invention provides various derivatives of arglabin, a sesquiterpene lactone isolated from Artemisia glabella. These compounds are effective for suppressing tumor growth in mammals. A method of suppressing tumor growth in humans is also described....
03/06/2001
6071946Tricyclic urea compounds
A compound selected from those of formula (I): ##STR1## in which A, Y, R1, R2 and R3 are as defined in the Specification, and pharmaceutical compositions containing the same, which are useful for treating a mammal aff...
06/06/2000
6051565Farnesyl-protein transferase inhibitors
Substantially pure preparations of phosphosesquiterpenes are described. The compounds inhibit farnesyl-protein transferase activity and are useful for the treatment of cancer. Methods for inhibiting farnesyl-protein transferase activity are also described...
04/18/2000
6020365Arglabin compounds and therapeutic uses thereof
The invention provides various derivatives of arglabin, a sesquiterpene lactone isolated from Artemisia glabella. These compounds are effective for suppressing tumor growth in mammals. A method of suppressing tumor growth in humans is also described....
02/01/2000
6013811Preparation process of benzodifuranone dyes
A process for the preparation of a polycyclic dye of Formula (1) which comprises steps: i) reaction of a compound of formula (2) with a compound of formula (3) or a derivative thereof to form an intermediate of formula (4) and ii) reaction of the intermed...
01/11/2000
6011058Seco-cholestane derivatives and methods of making the same
The present invention is directed to novel seco-cholestane derivatives, as well as to pharmaceutical compositions thereof, and methods of making the same. More particularly, the invention relates to C5- and C8-substituted seco-cholestane derivatives. The ...
01/04/2000
6001781Process for preparing condensation product of hydroxy-substituted aromatic compounds and glyoxylic reactants
The present invention is directed to a process for preparing a condensation product of a glyoxylic reactant and a hydrocarbyl-substituted aromatic compound having at least one hydroxy functionality, which includes (a) providing the glyoxylic reactant in t...
12/14/1999
5998461Tricyclic amide compounds
This invention relates to benzofuran/pyran derivatives of a new tricyclic amide compound, their composition and method of use for treating disorders of the melatoninergic system....
12/07/1999
5965604Chrolactomycin compound
The present invention relates to chrolactomycin compound represented by the following formula (I): ##STR1## or pharmaceutically acceptable salts thereof having antibacterial and antitumor activities....
10/12/1999
5962641Method for purification of recombinant proteins
Purification of poly-amino acid-tagged recombinant proteins has been improved by the use of a carboxymethylated aspartate ligand complexed with a third-block transition metal having an oxidation state of 2+ and a coordination number of 6. A me...
10/05/1999
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