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| Number | Title | Issue Date |
| 7718828 | Process for producing 2,2,3-trimethylcyclopent-3-enecarbaldehyde (campholytic aldehyde) A method for the production of campholytic aldehyde starting from campholenic aldehyde in the presence of a copper catalyst and a solvent. ... | 05/18/2010 |
| 7323589 | Intermediates for use in retinoid synthesis The invention concerns compounds of formula (1) wherein in particular G represents the —N(CH3)2—, —N(C2H5)2-group or N-pyrrolidine: n is an integer equal to 1 or 2: R1, R2 and R3... | 01/29/2008 |
| 7285685 | Method for dehydrogenation of carbonyl compounds Process for preparing alpha, beta-unsaturated acyclic or cyclic carbonyl compounds by dehydrogenation of the corresponding saturated carbonyl compounds in the gas phase over a heterogeneous dehydrogenation catalyst comprising platinum and/or palladium and tin on an ... | 10/23/2007 |
| 7271294 | Cyclopropanecarboxaldehydes and their use in perfume compositions The present invention is directed to novel cyclopropanecarboxaldehyde compounds of the general formula wherein R is a straight, branched, or cyclic hydrocarbon moiety consisting of 6 to 30 carbon atoms and contai... | 09/18/2007 |
| 7148372 | Intermediates for use in retinoid synthesis The invention concerns compounds of formula (1) wherein in particular G represents the —N(CH3)2—, —N(C2H5)2-group or N-pyrrolidine: n is an integer equal to 1 or 2: R1, R2 and R3... | 12/12/2006 |
| 7112699 | Process for the direct conversion of lactones into unsaturated ketones or aldehydes The present invention refers to a process for the preparation of unsaturated ketones or aldehydes by pyrolysis of a lactone, in the presence of a reducing agent such as molecular hydrogen or a carboxylic acid, and in the presence of a catalyst, optionally supported,... | 09/26/2006 |
| 7087796 | Cyclopropanecarboxaldehydes and their use in perfume compositions The present invention is directed to novel cyclopropanecarboxaldehyde compounds of the general formula wherein R is a straight, branched, or cyclic hydrocarbon moiety consisting of 1 to 3... | 08/08/2006 |
| 7067703 | Manufacture of retinoids A process for the manufacture of retinal (I) comprises reacting a 5-(2,6,6-trimethyl-cyclohex-1-enyl)-1,4-pentadiene derivative (IIa) or a 5-(2,6,6-trimethyl-cyclohex-2-enyl)-1,4-pentadiene derivative (IIb) or a 5-(2,6,6-trimethyl-2-cyclohexen-1-ylidene)-1-pentene d... | 06/27/2006 |
| 7009069 | Intermediates for use in retinoid synthesis The invention concerns compounds of formula (1) wherein in particular G represents the —N(CH3)2—, —N(C2H5)2— group or N-pyrrolidine: n is an integer equal to 1 or 2: R1, R2 and R | 03/07/2006 |
| 6995291 | Process for the oxidation of unsaturated alcohols The present invention relates to the field of organic synthesis and more precisely to a process for the synthesis of an unsaturated aldehyde or ketone by oxidation of the corresponding alcohol. The oxidation is performed by a hypochlorite salt and a catalytic amount... | 02/07/2006 |
| 6949681 | Intermediate for preparing glycopeptide derivatives This invention provides compounds of the formula: wherein A and B are as defined; and Fmoc is 9-fluorenylmethoxycarbonyl. Such compounds are useful as intermediates for preparing glycopeptide d... | 09/27/2005 |
| 6933265 | Aldehyde as perfuming or flavoring ingredient The present invention relates to the field of perfumery or flavor. More particularly, it concerns 3-(4,4-dimethyl-1-cyclohexen-1-yl)propanal and its use as perfuming or flavoring ingredient, as well as the compositions or articles associated with said compound. ... | 08/23/2005 |
| 6762327 | Selective oxidation process with enhanced safety A safe and effective process for the oxidation of a primary or secondary alcohol to the corresponding aldehyde or ketone via the reaction of said alcohol with an anhydride solution of a 1,1,1-tri(C2-C4 alkanoyloxy-1,1-dihydro-1,2-benziodoxol-3(... | 07/13/2004 |
| 6534434 | Chiral imidazolidinone-based catalyst composition and reaction system Acid addition salts of imidazolidinones are provided as catalysts for transforming a functional group within a first reactant by reaction with a second reactant. Exemplary first reactants are ,ଲ-unsaturated carbonyl compounds such as ,... | 03/18/2003 |
| 6515137 | Catalytic processes employing chiral imidazolidinone-based catalyst composition Acid addition salts of imidazolidinones are provided as catalysts for transforming a functional group within a first reactant by reaction with a second reactant. Exemplary first reactants are ,ଲ-unsaturated carbonyl compounds such as ,... | 02/04/2003 |
| 6515186 | Process for obtaining alpha-campholenic aldehyde A process for obtaining alpha-campholenic aldehyde, which is useful as an aroma chemical and as a synthetic intermediate for other aroma chemicals, particularly those with a sandalwood odor, and also for some pharmaceuticals, is provided. In particular, t... | 02/04/2003 |
| 6482851 | Synthesis of dysidiolide and uses thereof This invention provides a process for the preparation of a racemic mixture of dysidiolide a method for inhibiting growth of cancerous cells comprising contracting an amount of the racemic mixture of dysidiolide effective to inhibit the growth of said cell... | 11/19/2002 |
| 6410809 | Cyclohexanedimethanol compound and process of producing productive intermediates therefor A process of producing a 1,1-cyclohexanedimethanol compound having a substituent group at the 2-position in which the step of producing a 1-hydroxymethyl-3-cyclohexene-1-carbaldehyde compound by Diels-Alder reaction of a ଲ-substituted-,³... | 06/25/2002 |
| 6376458 | Utilization of cyclic compounds as perfuming ingredients A compound of formula ##STR1## wherein either the dotted line indicates the location of a double bond, n is equal to 1 and R represents a hydrogen atom or a methyl radical, or the dotted line indicates the location of a single bond, n is equal to 0 and R ... | 04/23/2002 |
| 6369243 | Chemical transformation of substrates using nonmetallic, organic catalyst compositions A method is provided for catalytically transforming a functional group within a first reactant by reaction with a second reactant in the presence of a nonmetallic, organic catalyst composition composed of a heteroatom-containing activator and an acid, or ... | 04/09/2002 |
| 6271193 | Carbon containing functional group substituted 4,5,6,7-tetrahydro-polyalkylated-4-indanes, isomers thereof, processes for preparing same and uses thereof Described are carbon-containing functional groups substituted 4,5,6,7-tetrahydro-polyalkylated-4-indanes, isomers thereof, process for processes for preparing same, and uses thereof. The 4,5,6,7-tetrahydro-polyalkylated-4-indanes have the generic structur... | 08/07/2001 |
| 6242413 | Bicyclic aldehyde and ketone odorants The invention relates to bicyclic aldehydes and ketones of formula (I): ##STR1## wherein n is 1 or 2; R1 and R4 are independently H or CH3 ; and R2 and R3 are independently H, CH3 or CH2 C... | 06/05/2001 |
| 6239314 | Odorants The invention relates to compounds of the general formula ##STR1## in which R1 to R7 are, independently, H, methyl or ethyl, R8 +R9 together form methylene (--CH2 --) or a single bond, or R1 | 05/29/2001 |
| 6211411 | Process for producing retinal and intermediate for producing the same There are disclosed sulfone aldehyde derivatives of the Formula (1): ##STR1## wherein Ar is an optionally substituted aryl group, a process for producing retinal by using the same, and an intermediate for producing the sulfone aldehyde derivative.... | 04/03/2001 |
| 5929291 | Odorants The invention relates to compounds of the general formula ##STR1## in which R1 to R7 are, independently, H, methyl or ethyl, R8 +R9 together form methylene (--CH2 --) or a single bond, or R1... | 07/27/1999 |
| 5929288 | Process for manufacturing polyene aldehydes To manufacture polyene aldehydes and polyene dialdehydes a polyene O,O-dialkyl acetal or polyene di(O,O-dialkyl acetal) is reacted with a 1-alkoxy-1,3-diene in the presence of a Lewis acid or a Bronsted acid. The reaction mixture is then hydrolyzed and th... | 07/27/1999 |
| 5925797 | ଲ-methylene aldehydes and preparation of compounds of interest by means of the ଲ-methyl aldehydes The invention relates to the ଲ-methylene aldehydes of formula: ##STR1## in which: R1 and R2, which may be identical or different, are chosen from a hydrogen atom and optionally substituted carboacyclic, radicals, R3 | 07/20/1999 |
| 5696075 | Campholinic aldehyde derivatives, process for their preparation and their use as perfuming ingredients Described herein are compounds of the formula ##STR1## wherein R represents a hydrogen atom or a methyl radical and X stands for a --CHO, or a --CN group, are useful as perfuming ingredients for preparing perfuming compositions and a variety of perfu... | 12/09/1997 |
| 5639919 | Intermediates for the preparation of vitamin A and carotenoids and process for their preparation The present invention relates to novel intermediates for the preparation of vitamin A and carotenoids, corresponding to the following formula (I): ##STR1## in which X is a carbon atom; n is equal to 1 or 2; R1, R2 and R3 | 06/17/1997 |
| 5518995 | Use of compounds to enhance synchrony of germination and emergence in plants The present invention relates to a composition for enhancing synchrony of germination and emergence in plants and comprises an effective amount of a compound having the following general formula (I); ##STR1##... | 05/21/1996 |
| 5504066 | Pentene derivatives, their production and use The invention concerns pentene derivatives of the general formula (I), in which, independently of each other, R1 is hydrogen or a methyl group, R2 and R3 are hydrogen or an alkyl group with 1 to 5 C-atoms, R4 is... | 04/02/1996 |
| 5481034 | Fluorinated abscisic acid derivatives and plant growth regulator thereof The present invention provides novel fluorinated abscisic acid derivative represented by formula of: ##STR1## wherein: X is O(CH2)2 O or O; and, R is hydroxymethyl, aldehyde, C1-2 alkoxycarbonyl or carboxyl group. The pres... | 01/02/1996 |
| 5326748 | Cyclic alcohols and their use as perfuming ingredients The invention relates to compounds of formula ##STR1## having a double bond in one of the positions indicated by the dotted lines. Compounds (I) are useful as perfuming ingredients for the preparation of perfuming compositions and perfuming articles,... | 07/05/1994 |
| 5288701 | Derivatives of dihydrocampholenic aldehyde The invention concerns novel odorants, namely derivatives of dihydrocampholenic aldehyde having the formula ##STR1## wherein R is ##STR2## one of the dotted lines in each of (a) and (b) represents an additional bond, and, R1, R | 02/22/1994 |
| 5278338 | Racemization process for optically active carboxylic acids, salts and esters A method for racemizing an optically active carboxylic acid, or ester thereof, of the formula: ##STR1## where R1 is hydrogen, hydroxy, halo, cyano, C1 to C6 linear or branched alkoxy, amino or substituted amino or the... | 01/11/1994 |
| 5240907 | Substituted cyclopentyl oxabicyclooctanes, cyclopenyl vinyl pyrans, cyclopentylformylcyclohexenes and cyclopentylhydroxymethyl cyclohexenes, processes for preparing same and organoleptic uses thereof Described are substituted cyclopentyl oxabicyclooctanes, cyclopentyl vinyl pyrans, cyclopentylformylcyclohexenes and cyclopentylhydroxymethyl cyclohexenes having the generic structures: ##STR1## wherein R1, R2, R', R", R1 | 08/31/1993 |
| 5239108 | Process for producing aliphatic or alicyclic aldehyde A process for producing an aliphatic or alicyclic aldehyde is disclosed, which process comprises the step of hydrogenating an aliphatic or alicyclic carboxylic acid or a derivative thereof with molecular hydrogen in the presence of a catalyst, wherein the... | 08/24/1993 |
| 5081262 | Substituted cyclopentenyl oxabicyclooctanes, cyclopentenylformylcyclohexenes and cyclopentenylhydroxymethyl cyclohexenes, processes for preparing same and organoleptic uses thereof Described are cyclopentenyl-oxabicyclooctanes, cyclopentenyl-formylcyclohexenes and cyclopentyl-hydroxymethyl cyclohexenes having the generic structures: ##STR1## wherein R1, R2, R3 ', and R3 " each represe... | 01/14/1992 |
| 5081312 | 2,2,3,6-tetramethyl-cyclohexane-carbaldehyde New 4,4,5,8-tetramethyl-1-oxaspiro[2,5]octane. A process for its preparation starting from 2,2,3,6-tetramethyl-1-cyclohexanone is described. 4,4,5,8-Tetramethyl-1-oxaspiro[2,5]octane is a useful raw material for the preparation of 2,2,3,6-tetramethyl-cycl... | 01/14/1992 |
| 5068363 | Cyclohexenylmethloxabicyclooctanes, processes for preparing same, intermediates used in said processes and organoleptic uses of said cyclohexenylmethloxabicyclooctanes and intermediates therefor Described are cyclohexenylmethyloxabicyclooctanes defined according to the generic structures: ##STR1## as well as intermediates for producing same defined according to the generic structures: ##STR2## wherein R1, R2, ... | 11/26/1991 |
