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Class Information
Number: 568/352
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Oxygen containing (e.g., perchlorylbenzene, etc.) > Ketones > Processes of preparing, purifying, or recovering alicyclic ring containing ketones > Aldehyde or ketone reactant > Boron, phosphorus, or sulfur containing material utilized
Description: Processes wherein the compound is prepared from an aldehyde or ketone utilizing a material containing boron, phosphorus, or sulfur in any way, e.g., as a reactant, catalyst, solvent, etc.










Patents under this class:

Patent Number Title Of Patent Date Issued
6423874 Process for obtaining fragrant ketone Jul. 23, 2002
6150561 Method of making carotenoids Nov. 21, 2000
5654488 Preparation of astaxanthin Aug. 5, 1997
5097063 Hydroxycarbonyl derivatives and process for making the same Mar. 17, 1992
5023382 Synthesis of 2,3-disubstituted-2-cyclopentenones via lithiomethylmercapto compounds Jun. 11, 1991
RE32721 Bridged ketones and process for preparing same Jul. 26, 1988
4683323 Method for inversion of optically active 4-hydroxy-2-cyclopentenones Jul. 28, 1987
4429166 Method of preparing bicyclo(3.1.1)hept-2-one Jan. 31, 1984
4421935 Process for the preparation of bicyclo [2.2.] heptene derivatives Dec. 20, 1983
4338466 Prostaglandin analogs and process of preparation thereof Jul. 6, 1982
4331814 Sulphones having a 1,5-dimethyl-hexa-1,5-dienylene group May. 25, 1982
4302607 Process for the preparation of novel unsaturated macrocyclic ketones Nov. 24, 1981
4288613 Cyclopentanone synthesis Sep. 8, 1981
4252739 Process for the preparation of vinylcyclopropane derivatives Feb. 24, 1981
4250338 Bridged ketones and process for preparing same Feb. 10, 1981
4173586 Process for cleavage of unsaturated multi-cyclic ketones Nov. 6, 1979
4126641 Process for preparing 2-butyl-3,5,5-trimethyl-2-cyclohexen-1,4-dione Nov. 21, 1978
4119652 Catalytic asymmetric hydrogenation Oct. 10, 1978
4108799 Substituted acetonaphthone perfume compositions Aug. 22, 1978
4108899 Process for preparing mixtures of substituted-hexahydro-acetonaphthones Aug. 22, 1978
4107208 Tetramethyl-hexahydroacetonaphthones Aug. 15, 1978
4107066 Substituted acetonaphthones, processes for preparing same, uses of same in perfumery, and intermediates used in said processes Aug. 15, 1978
4072705 Phenylmethylphenoxy propionic acid esters Feb. 7, 1978
4052458 Process for preparing 2-(1-cyclohexenyl)-cyclohexanone Oct. 4, 1977
4002693 Process for the production of o-phenylphenol Jan. 11, 1977
3994930 6-(3-Cyanopropyl)-2-vinyl tetrahydropyran-2-ol and its tautomer Nov. 30, 1976
3962339 Process for the production of bicyclo decenone derivatives Jun. 8, 1976
3962341 Production of piperitenone Jun. 8, 1976
3941841 Method for synthesizing rhodoxanthin Mar. 2, 1976











 
 
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