Class 568/312 - Aldehyde or ketone reactant

Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Processes wherein the compound is prepared by reacting an
No. of patents: 125
Last issue date: 02/14/2012

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Number	Title	Issue Date
8115033	3-(4-hydroxy-3-methoxyphenyl)-1-(4-hydroxyphenyl)-1-propanone and use thereof as an antimicrobial active ingredient Antimicrobially active 3-(4-hydroxy-3-methoxyphenyl)-1-(4-hydroxyphenyl)-1-propanone of the following formula 1 is described, as is a method for producing this compound and the use thereof as an antimicrobial active ingredient. ...	02/14/2012
7829745	Methods for selectively synthesizing 1-aryl-2-tetralones Described herein are methods for synthesizing 1-aryl-2-tetralones in an efficient and highly selective manner. The reaction involves a one-step procedure for coupling an aryl halide to a 2-tetralone, where coupling occurs substantially at the 1-position of the 2-tet...	11/09/2010
7687668	Process for preparing 4,4′ difluorobenzophenone Process for preparing 4,4′-difluorobenzophenone, characterized in that, in a first step, fluorobenzene is reacted with formaldehyde under catalysis by organic sulphonic acids to give difluorodiphenylmethane, the product obtained is isolated, and, in a second step,...	03/30/2010
7649117	Process of preparing optically active β-hydroxycarboxylic acid derivative Disclosed is a process of preparing an optically active β-hydroxycarboxylic acid derivative comprising asymmetrically hydrogenating a β-keto compound in the presence of a catalyst comprising a transition metal complex compound having a 2,3-bis(dialkylphosphino)pyr...	01/19/2010
7645908	Method for hydrogenation of α, β-unsaturated carbonyl compounds A method for the chemoselective hydrogenation of α, β unsaturated carbonyl compounds is disclosed, in which compounds of the formula R4R3C═CR2—C(O)R1, wherein R1—R4 are as defined herein, are ...	01/12/2010
7432400	Biphenylene compounds These are described biphenylene compounds of formula (I) wherein R1 is a C1-C18alkyl, C2-C18alkenyl, C6-C10aryl or C6-C10aryl or C6-C10heteroaryl...	10/07/2008
7414157	Hydroxylation of β-dicarbonyls with zirconium catalysts The present invention pertains to a process for preparing a compound of Formula I that is achiral, racemic or enantiomerically enriched at the hydroxylation center indicated by comprising contacting a compound of Formula II with an oxidant selected from oxygen, hydr...	08/19/2008
7351850	Process for producing alphaoxocarbonyl compound A process by which an α-oxocarbonyl compound useful as an intermediate for pharmaceuticals/agricultural chemicals can be industrially advantageously and efficiently produced in a high yield. The process, which is for producing an α-oxocarbonyl compound represented...	04/01/2008
7323604	Hydride reduction of α,β-unsaturated carbonyl compounds using chiral organic catalysts Nonmetallic, chiral organic catalysts are used to catalyze the 1,4-hydride reduction of an α,β-unsaturated carbonyl compound. The α,β-unsaturated carbonyl compound may be an aldehyde or cyclic ketone, and the hydride donor may be a dihydropyridine. The reaction ...	01/29/2008
7323603	Method for aldol reaction in water A method for aldol reaction in water, which comprises: reacting an aldehyde with a silyl enol ether in an aqueous medium in the presence of a boronic acid represented by the following general formula (1): R1R2BOH (1) (w...	01/29/2008
7238832	Production method of a coupling compound There is provided a method for producing a coupling compound of formula (1): (Y—)(n−1)R1—R2—(R1)(n′−1) (1) wherein R1, R2 n and n′ are as defined belo...	07/03/2007
7235699	Alkoxy-substituted indanes and the production thereof The present invention relates to alkoxy-substituted indanes, their preparation and use and to the preparation and use of the corresponding alkoxy-substituted indanones. ...	06/26/2007
7074966	Process for production of R-phenylacetylcarbinol by an enzymatic process in a two-phase system This application relates to a new process for the production of R-phenylacetylcarbinol by an enzymatic process in a liquid two-phase system. ...	07/11/2006
7067702	Process for preparing vinyl substituted beta-diketones A process for preparing vinyl substituted beta-diketones includes reacting a halogen-containing beta-diketone with an olefin in a reaction zone under Heck coupling reaction conditions in the presence of a catalyst, a base, and an organic phosphine to provide a vinyl...	06/27/2006
7060859	Use of a solid hydrotalcite structure incorporating fluorides for basic catalysis of Michael or Knoevenagel reactions The invention concerns the use of a solid basic catalyst comprising a hydrotalcite structure wherein part at least of the compensating anions are fluoride anions F− for producing Knoevenagel of Michael condensation reactions. The invention also concerns...	06/13/2006
7053218	Process for regioselective demethylation of -methoxy group in phenolic ester and diaryl ketone moieties Demethylation of 3′, 4′-dimethoxy or 3′, 4′, 5′-trimethoxy benzoic ester of a phenol is carried out in the presence of an excess of aluminum halide in an organic solvent to get 4′-Hydroxy, 3′-methoxy or 4′ hydroxy, 3′, 5′-dimethoxy benzoic acid e...	05/30/2006
7038070	Preparation of preparing substituted indanones A process for the preparation of indanones of the formula II from indanones of the formula I or of indanones of the formula IIa from indanones of the formula Ia comprises reacting an indanone of the formula I or Ia wit...	05/02/2006
6946579	Arylpiperazines having activity at the serotonin 1A receptor A series of aryl piperazine compounds are effective pharmaceuticals for the treatment of conditions related to or affected by the serotonin 1A receptor; the compounds are particularly effective antagonists at that receptor, and are particularly useful for...	09/20/2005
6919485	Benzophenones, the production thereof and their use for controlling plant pathogenic fungi The invention relates to benzophenones of formula (I), in which the substituents have the following meanings: X represents halogen; R1 represents hydrogen, halogen, C1-C6 alkyl, halo-C1-C2 alkyl, C1-C...	07/19/2005
6867310	Arylation and vinylation of activated carbons The present invention provides transition-metal-catalyst-based methods for the arylation and vinylation of activated methyl, methylene, and methine carbons with aryl halides, vinyl halides, and the like. The methods of the invention provide several improvements over...	03/15/2005
6617473	Production of dibenzosuberenone derivatives by catalytic dehydrogenation The invention relates to a preparation process for derivatives by catalytic dehydrogenation of dibenzosuberone derivatives....	09/09/2003
6518316	Cytokine production and tyrosine kinase inhibitors A compound of formula (I), wherein ଱X is .dbd.O, .dbd.N--OR6, ଲNHR or ଲOH wherein R6 is H or C1 -C6 alkyl, bond a is oriented γ or δ and R is H, C1 -C6 alkyl which is un...	02/11/2003
6492539	Preparation of preparing substituted indanones a process for the preparation of indanones of the formula II from, indanones of the formula I or of indanones of the formula IIa from indanones of the formula Ia ##STR1## comprises reacting an indanone of the formula I or Ia with a coupling component...	12/10/2002
6486355	Application of chiral critical clusters to assymetric synthesis Disclosed is a composition, a method of making and a method of using critical clusters for asymmetric synthesis using substantially optically-pure chiral solvent molecules in a supercritical fluid. The solvent molecules are capable of forming a multipoint...	11/26/2002
6441244	Benzophenones and the use thereof as photoinitiators The invention relates to new compounds of the formula (I) ##STR1## in which R is phenyl, C1-4 alkyl-, C1-4 alkoxy- or halogen-substituted phenyl, naphthyl or an aromatic ring containing heteroatoms; X is O or S; R1 and R2	08/27/2002
6441249	Method for producing trimethylhydroquinone An inexpensive method for producing trimethylhydroquinone free from the problem of the disposal of waste catalyst, which method comprises the steps of: (1) reacting isophorone in the presence of an acid catalyst and recovering ଲ-isophorone by distii...	08/27/2002
6437190	Preparation of aldols using a microstructured reaction system A process for preparing aldols by catalytic reaction of aldehydes and/or ketones comprises conducting said reaction in the channels of a microstructured reaction system....	08/20/2002
6433227	USE OF TRIS (TRIFLUORO METHYLSULFONYL) METHANE, IN ADDITION TO ALKALINE METAL SALTS AND ALKALINE-EARTH METAL SALTS THEREOF AS CATALYSTS DURING C-C BONDING SYNTHESES AND THE NOVEL MG SALT OF TRIS (TRIFLUORO METHYLSULFONYL) METHANE Compounds are used as catalysts according to general formula (1) M+x (C(SO2 CF3)3)x, whereby x is equal to 1 or 2; M represents one hydrogen or alkaline metal atom when x equals 1; and M represents on...	08/13/2002
6433230	Process for conducting an aldol condensation ଱,ଲ-Unsaturated keto compounds are prepared by base-catalyzed aldol condensation of aldehydes and/or ketones having from 1 to 15 carbon atoms, comprising: reacting the aldehydes and/or ketones with an aqueous catalyst solution under adiabatic ...	08/13/2002
6384251	Process for effecting allylic oxidation using dicarboxylic acid imides and chromium reagents A procedure for oxidizing organic compounds having allylic hydrogen atom(s) involving the steps of reactively contacting the organic compound with a combination of an N-hydroxy dicarboxylic acid imide and a chromium-containing oxidant. The reaction can co...	05/07/2002
6355842	Process for the oxidation of substrates containing methyl, methylene or methine groups Process for the oxidation of substrates containing methyl, methylene or methine groups by cooxidation with an aldehyde as cosubstrate in the presence of a catalyst system consisting of an imide compound and a metal cocatalyst....	03/12/2002
6353139	Method for preparing ketones A method for preparing ketones has advantages of improving yields and reducing the time of the reactions due to high efficiency of catalysts. Ketones are prepared by reacting an aliphatic or an aromatic aldehyde with a vinyl olefin having an aliphatic or ...	03/05/2002
6300521	Process for preparing oxoisophorone The present invention relates to a process for preparing 3,5, 5-trimethylcyclohex -2-ene-1,4-dione (oxoisophorone; OIP) by oxidation of 3,5,5-trimethylcyclohex-3-en-1-one (ଲ-isophorone, ଲ-IP) with molecular oxygen in the presence of a solvent,...	10/09/2001
6291716	Ortho-alkylation method of aromatic ketones An ortho-alkylation method of an aromatic ketone. In the method, as starting materials, the aromatic ketone is reacted with aliphatic or aromatic alkyl moiety-containing olefins in the presence of a primary amine and a transition metal catalyst as reactio...	09/18/2001
6271421	Process for selective mono-debromination of polybromoalkyl aryl or heteroaryl ketones A process for selectively debrominating polybromoalkyl aryl ketones and polybromoalkyl heteroaryl ketones is disclosed. The process comprises contacting an alpha-polybrominated ketone with an alkali metal sulfite in the presence of a C2 -C...	08/07/2001
6245944	Process for producing substituted indanones A process for preparing a compound of the formula I ##STR1## where R1 and R2 are hydrogen or C1 -C4 -alkyl and R3 is C1 -C10 -alkyl, phenyl or C1 -C4 -alkyl...	06/12/2001
6211383	Nohr-McDonald elimination reaction A reaction for eliminating a functional group alpha to a carbonyl group. The reaction can be used to dehydrate a compound having an alcohol group alpha to a carbonyl group by reacting the compound in a non-aqueous non-polar solvent in the presence of an e...	04/03/2001
6159988	Arylcycloalkyl derivatives, their production and their use Compounds of formula I, ##STR1## and the physiologically tolerable salts thereof, wherein the substituents R1 -R4 have the meanings given in the specifications and show an activity against inflammatory conditions....	12/12/2000
6072073	Carbonyl arylations and vinylations using transition metal catalysts The invention is directed to a process for preparing an alpha-arylated or vinylated carbonyl-containing compounds, comprising reacting a compound having a carbonyl group with an arylating or vinylating compound in the presence of a base and a transition m...	06/06/2000
6057474	Preparation process for ଱, ଲ-dicarbonylated compounds Preparation process for ଱,ଲ-dicarbonylated compounds of formula (I) ##STR1## in which R2 =alkyl, phenyl or benzyl being able to be substituted in various ways on the cycle, or carboxylic ester, and R3 =alkyl or ...	05/02/2000

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Class 568/312 - Aldehyde or ketone reactant