Patent classifications
C07D213/127
Method For Preparation of Alkylated or Fluoro, Chloro and Fluorochloro Alkylated Compounds By Heterogeneous Catalysis
The invention discloses a method for preparation of alkylated or fluoro, chloro and fluorochloro alkylated compounds by a heterogeneous Pt/C-catalyzed alkylation or fluoro, chloro and fluorochloro alkylation with alkyl halides or with fluoro, chloro and fluorochloro alkyl halides in the presence of Cs.sub.2C0.sub.3 or CsHC0.sub.3.
Method For Preparation of Alkylated or Fluoro, Chloro and Fluorochloro Alkylated Compounds By Heterogeneous Catalysis
The invention discloses a method for preparation of alkylated or fluoro, chloro and fluorochloro alkylated compounds by a heterogeneous Pt/C-catalyzed alkylation or fluoro, chloro and fluorochloro alkylation with alkyl halides or with fluoro, chloro and fluorochloro alkyl halides in the presence of Cs.sub.2C0.sub.3 or CsHC0.sub.3.
Synthesis of aryl coupled bis phenoxides and their use in olefin polymerization catalyst systems with activator-supports
Disclosed herein are methods of making bis(phenol) ligand compounds and transition metal bis(phenolate) compounds. The transition metal bis(phenolate) compounds can be used as components in catalyst systems for the polymerization of olefins.
Synthesis of aryl coupled bis phenoxides and their use in olefin polymerization catalyst systems with activator-supports
Disclosed herein are methods of making bis(phenol) ligand compounds and transition metal bis(phenolate) compounds. The transition metal bis(phenolate) compounds can be used as components in catalyst systems for the polymerization of olefins.
COMPLEXES
A palladium(II) complex of formula (1) or a palladium(II) complex of formula (2).
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Also, a process for the preparation of the complexes, and their use in carbon-carbon and carbon-heteroatom coupling reactions.
2-(2,4-DIFLUOROPHENYL)-1,1-DIFLUORO-1-(5-SUBSTITUTED-PYRIDIN-2-YL)-3-(1H-TETRAZOL-1-YL)PROPAN-2-OLS AND PROCESSES FOR THEIR PREPARATION
Provided herein are 2-(2,4-difluorophenyl)-1,1-difluoro-1-(5-substituted-pyridin-2-yl)-3-(1H-tetrazol-1-yl)propan-2-ols and processes for their preparation.
Fluoroelastomer composition
The invention pertains to a fluoroelastomer composition comprising a vinylidene-fluoride based fluoroelastomer, a polyhydroxylated compound, a basic compound, a pyridinium-type salt having an aromatic ring-quaternized nitrogen atom, and comprising at least two groups having a central carbon atom which bears acidic hydrogen atoms; and an accelerant, which possesses an improved molding behaviour, leading to shaped parts possessing less blisters and surface defects.
Fluoroelastomer composition
The invention pertains to a fluoroelastomer composition comprising a vinylidene-fluoride based fluoroelastomer, a polyhydroxylated compound, a basic compound, a pyridinium-type salt having an aromatic ring-quaternized nitrogen atom, and comprising at least two groups having a central carbon atom which bears acidic hydrogen atoms; and an accelerant, which possesses an improved molding behaviour, leading to shaped parts possessing less blisters and surface defects.
NOVEL MANUFACTURING PROCESS FOR TRIAZINE, PYRIMIDINE AND PYRIDINE DERIVATIVES
The invention relates to a method of manufacturing triazine, pyrimidine and pyridine derivatives of formula (I), wherein U, V, W and Z are nitrogen or carbon atoms, whereby at least one of U, V and W is nitrogen, and the other substituents are defined as in the specification, by condensing a corresponding halo-triazine, pyrimidine or pyridine in a type of Suzuki coupling with a pyridyl- or pyrimidinyl-borane, wherein the amino function is protected as a formamidine. The invention further relates to suitable intermediates and methods of manufacturing of such intermediates. Furthermore the invention relates to pure 5-(4,6-dimorpholino-1,3,5-triazin-2-yl)-4-(trifluoromethyl)pyridin-2-amine in solid form.
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TWO-PHOTON-ABSORBING COMPOUND
A two-photon-absorbing compound which is excellent in water-solubility, is excited by two-photon absorption in a near-infrared wavelength region, and emits a red fluorescence.