Preparation of optically active 3-phenylpropionic acid derivatives, used for preparing halo-phenyl compounds, comprises hydrogenating cis-isomer mixture of phenyl compound, crystallizing enantiomer mixture and isolating solid material

    公开(公告)号:DE102006000839A1

    公开(公告)日:2007-07-12

    申请号:DE102006000839

    申请日:2006-01-05

    Applicant: BASF AG

    Abstract: Preparation of an optically active 3-phenylpropionic acid derivative (I) comprises: (a) an enantioselective hydrogenation of a cis-isomer or cis/trans-isomer mixture of a phenyl compound (II) in the presence of a chiral hydrogenation catalyst to give an enantiomer enriched enantiomer mixture; (b) crystallization of the enantiomer enriched enantiomer mixture by supplementation of a basic salt former in a solvent and isolating the stereoisomer enriched solid material; and (c) optionally isolation of the protonated isomer or a substitutional cation. Preparation of an optically active 3-phenylpropionic acid derivative of formula (I) comprises: (a) an enantioselective hydrogenation of a cis-isomer or cis/trans-isomer mixture of a phenyl compound of formula (II) in the presence of a chiral hydrogenation catalyst to give an enantiomer enriched enantiomer mixture; (b) crystallization of the enantiomer enriched enantiomer mixture by supplementation of a basic salt former in a solvent and isolating the stereoisomer enriched solid material; and (c) optionally isolation of the protonated isomer or a substitutional cation. R 1>-R 4>H, 1-6C alkyl, halo-1-6C alkyl, OH-1-6C alkyl, 1-6C alkoxy, OH-1-6C alkoxy, 1-6C alkoxy-1-6C alkyl, OH-1-6C alkoxy-1-6C alkyl, 1-6C alkoxy-1-6C alkoxy or OH-1-6C alkoxy-1-6C alkoxy; R 5>1-6C alkyl, 5-8C cycloalkyl, phenyl or benzyl; and A : H or cationic equivalent. Independent claims are also included for: (1) the preparation of optically active halo-phenyl compound of formula (III), which comprises protonating (I) in to an acid; reducing the acids or the metal salts to give an alcohol compound of formula (IV); and halodehydroxylating (IV); and (2) an optically active compound 3-phenylpropionic acid derivative (I). Hal : Cl, Br or I. [Image] [Image].

    Separation of stereoisomeric alcohol, useful in fine chemistry and pharmaceutical chemistry, comprises distillative separation of the alcohol in the presence of chiral discriminators containing metal complex with a ligand

    公开(公告)号:DE102005046917A1

    公开(公告)日:2007-04-05

    申请号:DE102005046917

    申请日:2005-09-30

    Applicant: BASF AG

    Abstract: Separation of stereoisomeric alcohol (A) comprises distillative separation in the presence of chiral discriminators containing metal complex with at least a ligand (I). Separation of stereoisomeric alcohol (A) comprises distillative separation in the presence of chiral discriminators containing metal complex with at least a ligand of formula (I). Either R1>-R4>alkyl (optionally substituted by 1-5 T), cycloalkyl, heterocycloalkyl or (het)aryl (all optionally substituted by 1-5 alkyl or T); or CR1>R2>, CR3>R4>5-8-membered heterocycle optionally fused to 1-3 (hetero)cycloalkyl or (het)aryl rings (optionally substituted, including on fused rings, by 1-4 (cyclo)alkyl, heterocycloalkyl, (het)aryl, OH, SH, polyalkyleneoxide, polyalkylene imine, alkoxy, halo, COOH, carboxylate, SO3, sulfonate, NE4>E5>, NE4>E5>E6>X->, NO2, alkoxycarbonyl, acyl or CN); X : completes 5-8 membered heterocycle (optionally interrupted by 1-2 optionally substituted heteroatoms) optionally fused to 1-2 (hetero)cycloalkyl or (het)aryl rings (optionally substituted, including on fused rings, by 1-4 (cyclo)alkyl, heterocycloalkyl, (het)aryl, OH, SH, polyalkylene oxide, polyalkylene imine, alkoxy, halo, COOH, carboxylate, SO3H, sulfonate, NE7>E8>, NE7>E8>E9>X->, NO3, alkoxycarbonyl, acyl or CN); or E1>-E9>H, (cyclo)alkyl or aryl; X->an anion; and T : (hetero)cycloalkyl, (het)aryl, (cyclo)alkoxy, heterocycloalkoxy, (het)aryloxy, OH, SH, polyalkylene oxide, polyalkylene imine, COOH, carboxylate, SO3H, sulfonate, NE1>E2>, NE1>E2>E3>X->, halo, NO2, acyl or CN. [Image].

    New phosphorous chelate compounds are useful as catalysts for asymmetrical synthesis (preferably as chiral components for the production of pharmaceuticals, plant protecting agents, cosmetics or flavor materials)

    公开(公告)号:DE102005061642A1

    公开(公告)日:2006-07-06

    申请号:DE102005061642

    申请日:2005-12-22

    Applicant: BASF AG

    Abstract: Phosphorous chelate compounds (I) are new. Phosphorous chelate compounds (I) of formula (R1>-P(R2>)-(X)a-Y1>-(O)b-P-((O)c-Rgamma )-(O)d-Rdelta ) are new. either R1>, R2>5-7 membered heterocyclic groups that are bonded over N atom to P atom; or PR1>R2>5-7 membered heterocycle additionally contains optionally substituted N atom and a further under oxygen and optionally substituted N atoms that are bonded directly to P atom; either Rgamma , Rdelta : akyl, cycloalkyl, heterocycloalkyl, aryl or hetaryl (all substituted with 1-5 of cycloalkyl, heterocycloalkyl, aryl, hetaryl, alkoxy, cycloalkoxy, heterocycloalkoxy, aryloxy, hetaryloxy, hydroxy, thiol, polyalkylenoxide, polyalkylenimine, COOH, carboxylate, SO3H, sulfonate, NE1>E2>, NE1>E2>E3>X-, halo, NO2, acyl or CN); or PRgamma Rdelta , ORgamma Rdelta : 5-8 membered heterocycle optionally annealed with 1-3 of cycloalkyl, heterocycloalkyl, aryl or hetaryl, where the heterocycle and optionally the annealed groups are substituted with 1-4 of alkyl, cycloalkyl, heterocycloalkyl, aryl, hetaryl, hydroxy, thiol, polyalkyleneoxide, polyalkylenimine, alkoxy, halo, COOH, carboxylate, SO3H, sulfonate, NE4>E5>, NE4>E5>E6>+>X->, NO2, alkoxycarbonyl, acyl or CN; E4>, E5>, E6>H, alkyl, cycloalkyl or aryl; X : O, S, SiReRf or NRg; Re, Rf, Rg : H, alkyl, cycloalkyl, heterocycloalkyl, aryl or hetaryl; X->anion; Y1>bivalent carbon containing bridge atoms; and a-d : 0-1 (where at least one of b, c or d is 1). Independent claims are also included for: (1) catalyst comprising at least one complex with a transition metal, as ligands of (I); (2) preparation of chiral compounds comprising reacting prochiral compounds containing at least ethylenic unsaturated double bond, with a substrate in the presence of a chiral catalyst; (3) a method for hydroformylation of compounds containing at least ethylenic unsaturated double bond comprising reacting with carbon monoxide and hydrogen in the presence of hydroformylating catalyst; (4) preparation of 2-propylheptanol comprising subjecting butene or butene containing C4-hydrocarbon mixture of hydroformylation to obtain n-valeraldehyde containing hydroformylating products, optionally isolating hydroformylating products under n-valeraldehyde enriched groups, subjecting the obtained hydroformylating products and n-valeraldehyde enriched groups to aldol condensation, hydrogenating the products of aldol condensation, catalytically with hydrogen to alcohols and optionally subjecting the hydrogenation products to isolate 2-propylheptanol enriched groups; and (5) a method of hydroformylation of alpha -olefine and olefine with inner double bonds containing a composition, comprising reacting with carbon monoxide and hydrogen in the presence of hydroformylating catalyst in two-stage reaction system (where the first step comprises feeding an inlet containing olefin, carbon monoxide and hydrogen and converting partly catalytically; feeding and converting the discharge from the above step; and feeding the discharge from the second step with a stream obtained from non-reacted olefine and saturated hydrocarbons).

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