Class 568/734 - Bicyclo ring system

Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein the polycyclo ring system consists of
No. of patents: 89
Last issue date: 03/28/2006

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Number	Title	Issue Date
7019093	Aqueous developable, photosensitive benzocyclobutene-based oligomers and polymers with high moisture resistance The invention is a photoswitchable benzocyclobutene-based polymer that while remaining aqueous developable, avoids the problem of significant moisture uptake. The oligomer or polymer comprises a polymeric backbone, benzocyclobutene reactive groups, and photoswitchab...	03/28/2006
6867335	Uncatalysed addition reactions The present invention relates to process wherein (+)-2-carene epoxide is coupled with a compound X—Y that contains nucleophilic and electrophilic moieties, to produce a compound of formula (5). The reaction mixture consists essentially of a source of (+)-2-carene ...	03/15/2005
6700025	Process for stereoselective synthesis of prostacyclin derivatives An improved method is described for making 9-deoxy-PGF1 -type compounds. In contrast to the prior art, the method is stereoselective and requires fewer steps than the known methods for making these compounds....	03/02/2004
6667278	Non-steroidal mimetics of brassinolide Non steroidal mimetics or analogues of brassinosteroids such as brassinolide include two bicyclic subunits each having a vicinal diol group and a polar unit and linked by a linking moiety such that the vicinal diol groups and polar unit are closely superi...	12/23/2003
6563008	Biphenyl compounds and their use as oestrogenic agents Novel intermediates of Formula IV wherein the substituents are as defined in the specification and a process for preparing the same....	05/13/2003
6548722	Process for the preparation of substituted aromatic compound employing friedel-crafts reaction using a reusable basic anionic clay catalyst A process for Friedel-Crafts type liquid-phase alkylation or acylation of an aromatic compound using a hydrotalcite-type basic anionic clay catalyst represented by a formula: [(M2-)1-x (M3+)x (OH)2 ]x...	04/15/2003
6399740	Process for reducing mono-functional and non-functional by-products during aralkylation of phenolics Phenol aralkyistion polymers can be prepared by reaction among a phenolic monomer, at least one styrenic monomer and an aryl diolefin. A phenolic monomer can be initially aralkylated in the presence of an acid catalyst with a first portion of at least one...	06/04/2002
6268538	Method for producing and purifying 3-(4-Hydroxyphenyl)-1, 1,3-trimethylindan-5-ol A process is disclosed for the preparation and purification of 3-(4-hydroxyphenyl)-1,1,3-trimethylindan-5-ol. Accordingly, isopropenylphenol, its dimers or oligomers undergo isomerization in the presence of an acid catalyst, crude 3-(4-hydroxyphenyl)...	07/31/2001
6075057	Inhibition of carbohydrates metabolism by quinone compounds Optically pure enantiomers of avarol are obtained. The enantiomers of avarol are demonstrated to be highly effective inhibitors of ଱-glucosidase and ଱-mannosidase. Other enzymes assayed were not inhibited by these optically pure compounds. Inh...	06/13/2000
5959159	Method for preparing optically active 5-hydroxy-3-(4'-hydroxyphenyl)-1,1,3-trimethylindane A process for resolving racemic diesters of (R,S)(&#b1;)-5-hydroxy-3-(4'-hydroxyphenyl)-1,1,3-trimethylindane is disclosed. The process utilizes a microbial enzyme derived from Chromobacterium viscosum to catalyze the enantioselective and regioselect...	09/28/1999
5889137	Phenolic polymers made by aralkylation reactions The present invention is directed to the formation of phenol alkylation polymers which release negligible phenol and formaldehyde emissions. The phenol aralkylation polymers of the present invention are derived from a phenolic monomer, at least one styren...	03/30/1999
5883218	Optically active spirobiindane polymers Optically active polycarbonate, polyester, and polyurethane polymers prepared from monomers containing optically pure spirobiindane moieties are disclosed. The chiral spirobiindane polymers are of high molecular weight and exhibit high optical rotations. ...	03/16/1999
5852090	Norbornene-substituted bisphenol antioxidants The antioxidants of the formulae I and II ##STR1## in which R1 is methyl or H, R2 is H or methyl, R3 is H or C1 -C4 alkyl, R4 is C1 -C5 alkyl, R5 is C1	12/22/1998
5773552	Phenolic polymers made by aralkylation reactions The present invention is directed to the formation of phenol alkylation polymers which release negligible phenol and formaldehyde emissions. The phenol aralkylation polymers of the present invention are derived from a phenolic monomer, at least one styren...	06/30/1998
5756642	Phenolic polymers made by aralkylation reactions The present invention is directed to the formation of phenol alkylation polymers which release negligible phenol and formaldehyde emissions. The phenol aralkylation polymers of the present invention are derived from a phenolic monomer, at least one styren...	05/26/1998
5739259	Phenolic polymers made by aralkylation reactions The present invention is directed to the formation of phenol alkylation polymers which release negligible phenol and formaldehyde emissions. The phenol aralkylation polymers of the present invention are derived from a phenolic monomer, at least one styren...	04/14/1998
5674970	Phenolic polymers made by aralkylation reactions The present invention is directed to the formation of phenol alkylation polymers which release negligible phenol and formaldehyde emissions. The phenol aralkylation polymers of the present invention are derived from a phenolic monomer, at least one styren...	10/07/1997
5616765	Method for the preparation of 4-hydroxy-and 4-trimethylsiloxybenzocyclobutene 4-Hydroxybenzocyclobutene is prepared by the demethylation of 4-methoxybenzocyclobutene in the presence of aluminum iodide. A new compound 4-trimethylsiloxybenzocyclobutene is prepared by reacting 4-hydroxybenzocyclobutene with chlorotrimethylsilane....	04/01/1997
5470999	Cyclohexene and bicyclic aromatic substituted ethyne compounds having retinoid-like biological activity Compounds of Formula 1 ##STR1## where R1 -R5 are hydrogen, lower alkyl of 1-6 carbons, or halogen; A is (CH2)n where n is 0-5, lower branched chain alkyl having 3-6 carbons, cycloalkyl having 3-6 carbons, a...	11/28/1995
5434295	Neuroprotective pharmaceutical compositions of 4-phenylpinene derivatives and certain novel 4-phenylpinene compounds The present invention provides certain novel 4-phenylpinene derivatives, and teaches how to use said novel derivatives and related compounds in pharmaceutical compositions that have utility in treating various pathological conditions associated with damag...	07/18/1995
5382713	Phenolic compounds A phenolic compound is provided which can be described by the formula ##STR1## in which Ar is a C6-20 aromatic moiety, L is a cyclohexanenorbornane linking moiety, L' is a divalent cycloaliphatic moiety, and each of m and n is a number wit...	01/17/1995
5344997	Alkylation of aromatics using a fluorided silica-alumina catalyst A fluorided silica-alumina catalyst, particularly one with a silica:alumina ratio in the range of 1:1-9:1 containing from 1 to 6 weight percent fluoride, is particularly effective in the liquid phase alkylation of benzene by linear olefins to produce line...	09/06/1994
5334773	Microbial production of cis-dihydrodiol and phenol derivatives of benzocyclobutene A process for microbial conversion of benzocyclobutene to the corresponding 3,4-dihydrodiol followed by acid catalyzed dehydration to 4-hydroxybenzocyclobutene....	08/02/1994
5302732	Use of ultra-low sodium silica-aluminas in the alkylation of aromatics Silica-aluminas having a sodium content less than about 0.1 weight percent show increased stability when used as a catalyst for the alkylation of aromatic compounds. Where such silica-aluminas are used as the catalyst in detergent alkylation their increas...	04/12/1994
5227536	Process for preparing hydroxybenzocyclobutenes A process for preparing a 3- or 4-hydroxybenzocyclobutene comprises reacting a 3- or 4-halogenzocyclobutene reactant with an alkali metal hydroxide by heating in an aqueous alcohol medium at a temperature from about 50° C. to a temperature at which dimer...	07/13/1993
5180742	Quinone derivatives, their production and use Quinone derivatives of the general formula: ##STR1## (wherein R1 and R2 are the same or different, and independently are a hydrogen atom or a methyl or methoxy group, or R1 and R2 combine with each other to...	01/19/1993
5157164	Polymerizable antioxidant composition This invention is addressed to antioxidants which are polymerizable using the Ziegler catalyst system. The antioxidant of the present invention has the formula: ##STR1## wherein R1 and R2 are each aryl groups containing a hinder...	10/20/1992
5146008	Process for the synthesis of aromatic phenyl substituted diols A process for the synthesis of phenyl substituted aromatic diols, obtained by dehydrogenation of the corresponding substituted cyclohexyl derivatives in the presence of a palladium supported catalyst, said palladium supported catalyst being prepared by a ...	09/08/1992
5128479	Oxidized diphenylheteroalkanes Oxidized diphenylheteroalkanes of the formula I ##STR1## where R1 to R6 and A have the meanings specified in the description, and the preparation thereof are described. The substances are suitable for controlling diseases and as...	07/07/1992
5120884	Preparation of hydroxy arylcyclobutenes Hydroxy arylcyclobutenes are prepared by the Baeyer-Villiger oxidation of arylcyclobutene aldehydes with permonophosphoric acid....	06/09/1992
5112869	Substituted 1-phenylnaphthalenes This invention concerns compounds having the structure: ##STR1## wherein each of R2, R3, R4, R5, R6, R7, R2', R3', R4', and R5', is independently...	05/12/1992
5043483	Process for the alkylation of phenols Process for the alkylation of phenols comprising reacting a phenol with a vinyl-aromatic hydrocarbon in the presence of an acidic catalyst and of a solvent....	08/27/1991
5043482	New derivatives of 5,6,7,8-tetrahydro-1-naphthalenol, a process for their preparation and cosmetic and pharmaceutical compositions containing them A 5,6,7,8-tetrahydro-1-naphthalenol derivative of the formula ##STR1## wherein R1, R2, R3 and R4 represent lower alkyl, R5 and R6 represent hydrogen or lower alkyl, R represents hydrogen, C...	08/27/1991
5030764	Novel tetrahydronaphthalene and indane derivatives Novel styryl-tetrahydronaphthalene and indane derivatives useful for treating neoplasms and dermatoses....	07/09/1991
5017727	Polymerizable antioxidant composition This invention is addressed to antioxidants which are polymerizable using the Ziegler catalyst system. The antioxidant of the present invention has the formula: ##STR1## wherein R1 and R2 are each aryl groups containing a hinder...	05/21/1991
4990687	Preparation of 4-methyl-2-cyclohexylphenol 4-Methyl-2-cyclohexylphenol can be prepared by alkylation of p-cresol with cyclohexanol or cyclohexene by performing the reaction in the liquid phase in the presence of 1-10% by weight, based on the amount of p-cresol, of a large pore, acidic zeolite....	02/05/1991
4990703	Novel tetrahydronaphthalene and indane derivatives Novel styryl-tetrahydromaphthalene and indane derivatives useful for treating neoplasms and dermatoses....	02/05/1991
4978811	Process for hydrolysis of ortho-aromatic di-aryl ethers Ortho-aromatic diaryl ethers, such as o-biphenylyl phenyl ether, are hydrolyzed to corresponding phenolic compounds, such as o-phenylphenol and phenol, when contacted with water in the presence of ceria or thoria at a temperature of between about 250° C....	12/18/1990
4933475	Pharmacologically active 4-[2-hydroxy-4-(substituted)phenyl]naphthalen-2(1H)-ones and 2-ols, derivatives thereof and intermediates therefor Compounds having the formula ##STR1## R1 is hydrogen, benzyl or alkanoyl, X is C2-4 alkylene; and Z-W is alkyl, phenylalkyl or pyridylalkyl which can have an oxygen atom as part of the alkyl chain and their use as CNS agents, antidia...	06/12/1990
4879421	Method for preparing optically active binaphthol and spiroibiindanol A method is provided for the production of optically active (S)-(-)- and (R)-(+)-binaphthol and catalyzed asymmetric hydrolysis of corresponding racemic (R,S)-(&#b1;)-binaphthol an (R,S)(&#b1;)-spirobiindanol diesters....	11/07/1989

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Class 568/734 - Bicyclo ring system