51.
    发明专利
    未知

    公开(公告)号:DE3587569D1

    公开(公告)日:1993-10-14

    申请号:DE3587569

    申请日:1985-10-18

    Applicant: BASF AG

    Abstract: Preparation of amidoalkylmelamines and aminoalkylmelamines of the formula I I where R1 is an amidoalkyl group -(CH2)n-NHZ or an aminoalkyl group -(CH2)n-NH2, n is from 2 to 10, preferably from 2 to 6, Z is an amino protective group and R2 and R3 independently of one another are each hydrogen or have the same meanings as R1, are prepared by a process in which a chlorotriazine is reacted with a diamine of the formula H2N-(CH2)n-NHZ, where n and Z have the above meanings, to give an amidoalkylmelamine, and, if required, the group Z is eliminated.

    55.
    发明专利
    未知

    公开(公告)号:DE50210942D1

    公开(公告)日:2007-10-31

    申请号:DE50210942

    申请日:2002-12-04

    Applicant: BASF AG

    Abstract: The present invention relates to a process for isomerizing reactant allyl alcohols to product allyl alcohols in the presence of a catalyst, wherein the reactant allyl alcohol is rearranged to product allyl alcohol in semicontinuous or continuous mode in a catalyst-containing suitable reactor. In particular, the process according to the invention is used to prepare linalool from Geraniol and/or nerol.

    Method of producing alkane sulfonic acid

    公开(公告)号:IN725CH2001A

    公开(公告)日:2006-08-25

    申请号:IN725CH2001

    申请日:2001-05-25

    Applicant: BASF AG

    Abstract: The invention relates to a process for the prepartaion of alkanesulfonic acids, comprising the following steps:(a) oxidation of alkylmercaptans and/or dialkyl disulfides and/or dialkyl polysulfides having from three to nine sulfur atoms with nitric acid to form alkanesulfonic acids, water, nitrogen oxides and other byproducts,(b) regeneration of the nitrogen oxides obtained from step (a) with oxygen to give nitric acid and recycling of the nitric acid to step (a),where steps (a) and (b) are carried out in reaction chambers separate from one another.

    PROCESS FOR PREPARING ALIPHATIC ALPHA,OMEGA-AMINONITRILES

    公开(公告)号:HU223965B1

    公开(公告)日:2005-03-29

    申请号:HU9702137

    申请日:1995-12-16

    Applicant: BASF AG

    Abstract: Aliphatic alpha,omega-aminonitriles are prepared by partial hydrogenation of aliphatic alpha,omega-dinitriles at elevated temperatures and superatmospheric pressure in the presence of a solvent and of a catalyst by a process which comprises using a catalyst which (a) contains a compound based on a metal selected from the group consisting of nickel, cobalt, iron, ruthenium and rhodium and (b) contains from 0.01 to 25% by weight, based on (a), of a promoter based on a metal selected from the group consisting of palladium, platinum, iridium, osmium, copper, silver, gold, chromium, molybdenum, tungsten, manganese, rhenium, zinc, cadmium, lead, aluminum, tin, phosphorus, arsenic, antimony, bismuth and rare earth metals and (c) from 0 to 5% by weight, based on (a), of a compound based on an alkali metal or on an alkaline earth metal. with the proviso that the component (a) is not based on iron or iron and one of the metals selected from the group consisting of cobalt, ruthenium and rhodium when (b) is a promoter based on a metal selected from the group consisting of titanium, manganese, chromium and molybdenum, and with the further proviso that, when a compound based on only ruthenium or rhodium or ruthenium and rhodium or nickel and rhodium is selected as component (a), the promoter (b) may be dispensed with.

    METHOD FOR PRODUCING DIALDEHYDES AND/OR ETHYLENICALLY UNSATURATED MONOALDEHYDES BY HYDROFORMYLATING ETHYLENICALLY UNSATURATED COMPOUNDS

    公开(公告)号:AU2003267348A1

    公开(公告)日:2004-04-08

    申请号:AU2003267348

    申请日:2003-09-12

    Applicant: BASF AG

    Abstract: A process for the production of dialdehydes and/or ethylenically unsaturated monoaldehydes by reaction of at least one compound having at least two ethylenically unsaturated double bonds with carbon monoxide and hydrogen in the presence of a hydroformylation catalyst comprising at least one complex of a Group VIII metal with at least one ligand comprising a pnicogen chelate compound. A process for the production of dialdehydes and/or ethylenically unsaturated monoaldehydes by reaction of at least one compound having at least two ethylenically unsaturated double bonds with carbon monoxide and hydrogen in the presence of a hydroformylation catalyst comprising at least one complex of a Group VIII metal with at least one ligand comprising a pnicogen chelate compound of formula (1). Q = bridging group of formula (2); A1, A2 = O, S, SiRaRb, NRc or CRdRe; Ra-Rc = H, alkyl, cycloalkyl, heterocycloalkyl, aryl or heteroaryl; Rd, Re = H, alkyl, cycloalkyl, heterocycloalkyl, aryl or heteroaryl or two Rd groups and/or two Re groups form an intermolecular bridging group D; D = bivalent bridging group of formula (3)-(6); R9,R10 = H, alkyl, cycloalkyl, aryl, halo, trifluoromethyl, carboxyl, carboxylate or cyano or together form a 3-4C alkylene bridge; R11-R14 = H, alkyl, cycloalkyl, aryl, halo, trifluoromethyl, COOH, carboxylate, cyano, alkoxy, SO3H, sulfonate, NE1E2, alkylene-NE1E2E3+X-, acyl or nitro; C = 0 or 1; Y = chemical bond; RI-RVI = H, alky, cycloalkyl, heterocycloalkyl, aryl or heteroaryl; COORf, COO-M+, SO3Rf, SO3-M+, NE1E2, NE1E2E3+X-, alkylene-NE1E2E3+X-, ORf, SRf, (CHRgCH2O)xRf, (CH2N(E1))xRf, (CH2CH2N(E1))xRf, halo, trifluoromethyl, nitro, acyl or cyano or 2 neighboring groups, together with two neighboring C atoms of the benzene ring to which they are bonded form a condensed ring system of 1-3 further rings; Rf, E1-E3 = H, alkyl, cycloalkyl or aryl; R9 = H, methyl or ethyl; M+ = cation, X-=anion; x = 1-120; a, b = 0 or 1; Pn = P, As or Sb; R1-R4 = heteroaryl, heteroaryloxy, alkyl, alkoxy, aryl, aryloxy, cycloalkyl, cycloalkoxy, heterocycloalkyl, heterocycloalkoxy or NE1E2 with the proviso that is R1 and R3 are bonded via the N atom to the pnicogen atom bonded pyrrole ring or R1 with R2 and/or R3 together with R4 form a divalent group E of formula Py-I-W or R1 and R2 and/or R3 and R4 form a bispyrrole group of formula Py-I-Py; Py = pyrrole group that is bonded via its N atom to Pn; I = chemical bond, O, S, SiRaRb, NRc, optionally substituted 1-10C alkylene or CRhCRi; W = cycloalkyl, cycloalkoxy, aryl, aryloxy, heteroaryl or heteroaryloxy; Rh and Ri = H, alkyl, cycloalkyl, heterocycloalkyl, aryl or heteroaryl

    60.
    发明专利
    未知

    公开(公告)号:ES2198798T3

    公开(公告)日:2004-02-01

    申请号:ES99102630

    申请日:1999-02-11

    Applicant: BASF AG

    Abstract: Preparation of 2-cycloalkenones (I) comprises subjecting 2-alkoxycycloalkanones (II) and/or 2-hydroxycycloalkanone ketals (III) to a gas-phase elimination reaction in the presence of an acidic heterogeneous catalyst. Preparation of 2-cycloalkenones of formula (I) comprises subjecting 2-alkoxycycloalkanones of formula (II) and/or 2-hydroxycycloalkanone ketals of formula (III) to a gas-phase elimination reaction in the presence of an acidic heterogeneous catalyst: n = 0-20; m = 0-3; R = alkyl, alkylaryl, aryl, arylalkyl, alkenyl or alkynyl, where the aryl groups are optionally substituted by 1-2 of alkyl, OH and alkoxy; R' = alkyl or alkenyl, or R'+R' = 1-5C alkylene or 2-5C alkenylene.

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