Abstract:
An composition comprising: (A) a mixture comprising at least one (thio)phosphoric acid triamide according to the general formula (I) R1R2 N–P(X)(NH2 )2 wherein X is oxygen or sulfur; R1 is a C1 to C20 alkyl, C3 to C20 cycloalkyl, C6 to C20 aryl, or dialkylaminocarbonyl group; R2 is H, or R1 and R2 together with the nitrogen atom linking them define a 5-or 6-membered saturated or unsaturated heterocyclic radical, which optionally comprises 1 or 2 further heteroatoms selected from the group consisting of nitrogen, oxygen, and sulfur, and (C) at least one amine selected from the group consisting of (C1) a polymeric polyamine,and (C2) an amine containing not more than one amino group and at least three alkoxy- or hydroxy-substituted C2 to C12 alkyl groups R21, wherein at least one of the groups R21 is different to the other groups R21, and (C3) an amine containing not more than one amino group and at least two alkoxy-or hydroxy-substituted C2 to C12 alkyl groups R22, wherein at least one of the groups R22 bears the alkoxy or hydroxy substituent at a secondary or tertiary carbon atom and wherein at least one of the groups R22 is different to the other group(s) R22,and (C4) an amine containing at least one saturated or unsaturated C8 to C40 alkyl group R23, and (C5) a saturated or unsaturated heterocyclic amine which contains at least one oxygen atom as ring atom and which does not contain a further alkoxy group.
Abstract:
The invention relates to 5-isopropyl-3-aminomethyl-2-methyl-1-amino-cyclohexane (carvone diamine) and a method for the production thereof by a) reacting carvone with hydrogen cyanide, b) then reacting the carvone nitrile obtained in step a) with ammonia in the presence of an imine-forming catalyst, and c) subsequently reacting the reaction mixture that is obtained in step b) and contains carvone nitrilimine with hydrogen and ammonia on hydrogenation catalysts. The invention further relates to the use of carvone diamine as a curing agent for epoxy resins, as an intermediate product when producing diisocyanates, as an initiator entity when producing polyetherols, and/or as a monomer for producing polyamides.
Abstract:
The present invention relates to a method for the production of n-substituted (3-dihalomethyl-1-methyl-pyrazole-4-YL) carboxamides of the formula (I), wherein R
Abstract:
Die Erfindung betrifft ein Verfahren zur Herstelluomogen-katalysiertes Umsetzen eines Reaktionsgemischs (Rg) enthaltend Kohlendioxid, Wasserstoff, mindestens einen Katalysator enthaltend mindestens ein Element ausgewählt aus den Gruppen 8, 9 und 10 des Periodensystems, mindestens ein polares Lösungsmittel sowie mindestens ein tertiäres Amin der allgemeinen Formel (A1) NR1R2R3 (A1),in der R1, R2, R3 unabhängig voneinander einen unverzweigten oder verzweigten, acyclischen oder cyclischen, aliphatischen, araliphatischen oder aromatischen Rest mit jeweils 1 bis 16 Kohlenstoffatomen darstellen, wobei einzelne Kohlenstoffatome unabhängig voneinander auch durch eine Heterogruppe ausgewählt aus den Gruppen -O- und >N- substituiert sein können sowie zwei oder alle drei Reste unter Bildung einer mindestens jeweils vier Atome umfassenden Kette auch miteinander verbunden sein können, in einem Hydrierreaktor unter Erhalt eines Hydriergemischs (H) enthaltend den mindestens einen Katalysator, das mindestens eine polare Lösungsmittel, das mindestens eine tertiäre Amin (A1) sowie mindestens ein Ameisensäure-Amin-Addukt der allgemeinen Formel (A2) NR1R2R3·xi HCOOH(A2),in der xi im Bereich von 0,4 bis 5 liegt und R1, R2, R3 die vorstehend genannten Bedeutungen haben, (b) Phasentrennung des in Schritt (a) erhaltenen Hydriergemischs (H) in einer ersten Phasentrennvorrichtung unter Erhalt einer Unterphase (U1) enthaltend das mindestens eine Ameisensäure-Amin-Addukt (A2), das mindestens eine polare Lösungsmittel und Reste des mindestens einen Katalysators und einer Oberphase (O1) enthaltend den mindestens einen Katalysator und das mindestens eine tertiäre Amin (A1), (c) Extraktion der Reste des mindestens einen Katalysators aus der in Schritt (b) erhaltenen Unterphase (U1) in einer Extraktionseinheit mit mindestens einem tertiären Amin (A1) unter Erhalt eines Raffinats (R) enthaltend das mindestens eine Ameisensäure-Amin-Addukt (A2) und das mindestens eine polare Lösungsmittel und eines Extrakts (E) enthaltend das mindestens eine tertiäre Amin (A1) und die Reste des mindestens einen Katalysators, (d) gegebenenfalls zumindest teilweise Abtrennung des mindestens einen polaren Lösungsmittels aus dem Raffinat (R) in einer ersten Destillationsvorrichtung unter Erhalt eines Destillats (D1) enthaltend das mindestens eine polare Lösungsmittel und eines aufgearbeiteten Raffinats (Ra) enthaltend das mindestens eine Ameisensäure-Amin-Addukt (A2), (e) zumindest teilweise Umsetzung des im Raffinat (R) beziehungsweise gegebenenfalls im aufgearbeiteten Raffinat (Ra) enthaltenen mindestens einen Ameisensäure-Amin-Addukts (A2) mit Methanol in einer Reaktivdestillationskolonne zu Methylformiat, Wasser und dem mindestens einen tertiären Amin (A1).
Abstract:
Preparation of substituted biphenyl compounds (I), comprises reacting halobenzene compounds (II) with phenyl boronic acid compounds (IVa) and/or diphenyl boronic acid compounds (IVb) in a solvent or a diluent in the presence of a base and a palladium catalyst, which comprises palladium and a bidentate phosphorus ligand (III). Preparation of substituted biphenyl compounds of formula (I), comprises reacting halobenzene compounds of the formula (II) with phenyl boronic acid compounds of formula (IVa) and/or diphenyl boronic acid compounds of formula (IVb) in a solvent or diluent in the presence of a base and a palladium catalyst, which comprises palladium and a bidentate phosphorus ligand of formula (((Ar1) 2P-CH 2-)(R5)C(R4)(-CH 2-P(Ar1) 2)) (III). R1 : NO 2or NH 2; R2 : CN, halo, 1-4C-haloalkyl, 1-4C-haloalkoxy or 1-4C-haloalkylthio; R3 : H, CN or halo; Hal : Cl or Br; Ar1 : phenyl, which optionally contains 1-3 substituents comprising CH 3, CH 3O, F or Cl; either R4, R5 : 1-5C-alkyl or 3-6C-cycloalkyl; or R4R5 : 2-7-membered bridge, which optionally carries 1-8C-alkyl; and n : 0-3. An independent claim is included for 3,4,5-trifluoro-2'-nitrobiphenyl. [Image].
Abstract:
The present invention relates to a process for preparing N-substituted (3-dihalomethylpyrazol-4-yl)carboxamides of the formula (I) in which R1 is optionally substituted phenyl or C3-C7-cycloalkyl, R1a is hydrogen or fluorine, or R1a together with R1 is optionally substituted C3-C5-alkanediyl or C5-C7-cycloalkanediyl, R2 is C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl or C1-C4-alkoxy-C1-C2-alkyl, X is F or Cl and n is 0, 1, 2 or 3; which comprises A) providing a compound of the formula (II) in which X is F or Cl, Y is Cl or Br and R2 has one of the meanings given above and B) reacting a compound of the formula (II) with carbon monoxide and a compound of the formula (III) in which R1, R1a and n have one of the meanings given above; in the presence of a palladium catalyst; to intermediates used for the preparation according to the process according to the invention, and also to processes for their preparation.
Abstract:
An composition comprising: (A) a mixture comprising at least one (thio)phosphoric acid triamide according to the general formula (I) R1R2 N–P(X)(NH2 )2 wherein X is oxygen or sulfur; R1 is a C1 to C20 alkyl, C3 to C20 cycloalkyl, C6 to C20 aryl, or dialkylaminocarbonyl group; R2 is H, or R1 and R2 together with the nitrogen atom linking them define a 5-or 6-membered saturated or unsaturated heterocyclic radical, which optionally comprises 1 or 2 further heteroatoms selected from the group consisting of nitrogen, oxygen, and sulfur, and (C) at least one amine selected from the group consisting of (C1) a polymeric polyamine,and (C2) an amine containing not more than one amino group and at least three alkoxy- or hydroxy-substituted C2 to C12 alkyl groups R21, wherein at least one of the groups R21 is different to the other groups R21, and (C3) an amine containing not more than one amino group and at least two alkoxy-or hydroxy-substituted C2 to C12 alkyl groups R22, wherein at least one of the groups R22 bears the alkoxy or hydroxy substituent at a secondary or tertiary carbon atom and wherein at least one of the groups R22 is different to the other group(s) R22,and (C4) an amine containing at least one saturated or unsaturated C8 to C40 alkyl group R23, and (C5) a saturated or unsaturated heterocyclic amine which contains at least one oxygen atom as ring atom and which does not contain a further alkoxy group.
Abstract:
A composition comprising: (A) a mixture comprising at least one (thio)phosphoric acid triamide according to the general formula (I) R1R2N-P(X)(NH2)2, wherein X is oxygen or sulfur; R1 is a C1 to C20 alkyl, C3 to C20 cycloalkyl, C6 to C20 aryl, or dialkylaminocarbonyl group; R2 is H, or R1 and R2 together with the nitrogen atom linking them define a 5- or 6-membered satu- rated or unsaturated heterocyclic radical, which optionally comprises 1 or 2 further heteroatoms selected from the group consisting of nitrogen, oxygen, and sulfur, and (L1 ) at least one amine selected from the group consisting of (L10), (L11 ), (L12), (L13), (L14), (L15), (L16), (L17), (L18), (L19), (L20), (L21 ), (L22), (L23), (L24), and (L29).