Patents
Patents for C07B 37 - Reactions without formation or introduction of functional groups containing hetero atoms, involving either the formation of a carbon-to-carbon bond between two carbon atoms not directly linked already or the disconnection of two directly linked carbon atoms (2,877)
03/1995
03/28/1995US5401869 Process for the preparation of aminomethylene compounds
03/22/1995CN1100406A A process for the production of a cyclopentenol derivative
03/22/1995CN1100401A Improved process for alkylation of aromatics with linear olefins derived from a linear paraffin dehydrogenation step
03/15/1995EP0634953A4 Gas phase degradation of organic compounds.
03/07/1995US5396017 Catalytic olefin alkylation using hydrogen fluoride on a support
03/07/1995US5396011 Catalytic alkylation of aromatic compounds with alkenes
02/1995
02/22/1995EP0639548A1 Catalytic wall reactors and use of catalytic wall reactors for methane coupling and hyxdrocarbon cracking reactions
02/16/1995WO1995004796A1 Depolymerization process
02/15/1995EP0638531A1 Alkylation process
02/09/1995WO1995004277A1 A method for preparing and selecting pharmaceutically useful non-peptide compounds from a structurally diverse universal library
02/09/1995CA2168886A1 A method for preparing and selecting pharmaceutically useful non-peptide compounds from a structurally diverse universal library
02/07/1995US5387725 Chlorinating compounds having acidic protons with a perchloro-alkane and aqueous base in the presence of a tetraalkyl-ammonium hydroxide phase transfer catalyst
02/06/1995CA2109265A1 Alkylation process
01/1995
01/31/1995US5386055 Depolymerization process
01/25/1995EP0635466A1 Decarboxylation process
01/25/1995EP0634953A1 Gas phase degradation of organic compounds
01/11/1995EP0632802A1 New alkylating reagent, process for preparing the same and its use
01/04/1995EP0423300B1 Chiral reaction medium for organic reactions
12/1994
12/28/1994EP0630361A1 Palladium catalyzed alkylative cyclization useful in synthesis of vitamin d and analogues
12/22/1994WO1994029243A1 Synthesis of substituted triphenylenes, useful as discotic liquid crystals
12/21/1994CN1096511A Process for the preparation of biphenyl derivatives
12/20/1994US5374404 Method and apparatus for use in photochemically oxidizing gaseous halogenated organic compounds
12/14/1994EP0628019A1 Polyfluoroalkylation of aromatic compounds.
12/14/1994EP0627944A1 Method and apparatus for use in photochemically oxidizing gaseous halogenated organic compounds
12/07/1994EP0627393A1 A process for the production of a cyclopentenol derivative
12/04/1994CA2122768A1 Process for the production of a cyclopentenol derivative
11/1994
11/23/1994EP0446301B1 Preparation of biaryl compounds
11/08/1994US5362452 Space between bed forming cylindrical casing and central core used as manifold; increased efficiency; petroleum industry
11/02/1994CN1026409C Preparation of hydrocarbon
11/01/1994US5360935 From phenylmethanesulfonyl fluorides and phenylacyl bromides, phase transfer agent, base, solvent
11/01/1994US5360924 Process for preparing aromatic olefins
10/1994
10/26/1994EP0621254A2 Procedure for isomerising double bonds of pyrethrinoids
10/26/1994EP0621250A1 Process for the codimerisation of dienes and olefins
10/25/1994US5359091 A substituted allylamine derivative; compounds showing strong inhbiting activities against Squalene epoxidase; anti-cholesterol agents
10/13/1994WO1994022878A1 Alkylating agent and 1,4-addition process of an alkyl group onto an alpha, beta-unsaturated ketone compound
10/11/1994CA1332401C Zeolite l preparation
09/1994
09/28/1994CN1092764A Method for the preparation of 2-aryl-5-trifluoromethyl pyrpole compounds
09/26/1994CA2119991A1 Process for the isomerization of double bonds
09/13/1994US5347067 Alkylation process
09/13/1994US5347063 Method for direct arylation of diamondoids
09/07/1994EP0543898B1 Zinc-containing zeolite l
09/01/1994WO1994019090A1 Gas phase degradation of organic compounds
08/1994
08/24/1994EP0611366A1 Chlorination process, alkylation of products of said process and some products thereof
08/23/1994USRE34706 Process for the preparation of styrene derivatives extended at the double bond by ethylene and having a double bond remaining in the extension chain formed and new styrene derivatives extended with ethylene
08/03/1994EP0608725A2 Process for preparing aminomethylene compounds
08/02/1994US5334793 Increasing catalyst life and improving product linearity in the alkylation of aromatics with linear olefins
08/02/1994US5334357 Uniform mixing of reactants
07/1994
07/13/1994EP0606065A1 Method for the preparation of biphenyl derivatives
07/13/1994EP0606057A1 Process for the preparation of aromatic olefins
07/12/1994US5329054 Decarboxylation process
07/07/1994WO1994014732A1 The catalytic alkylation of aromatic compounds with alkenes
07/07/1994CA2112795A1 Process for the preparation of biphenyl derivatives
06/1994
06/22/1994EP0497796B1 Method of preparation of fluorobenzenes
06/16/1994DE4241747A1 Cross coupling reaction between aryl:boronic acid and aryl halide - in presence of catalyst and large excess of base to minimise coupling between boronic acid molecules
06/15/1994EP0601156A1 Cross-coupling process of boric acids with halogenated compounds
06/08/1994EP0600367A1 Method for preparing aromatic vinyl compounds
06/08/1994EP0498817B1 Process for producing fluorinated organic compounds
06/01/1994EP0599688A1 Process for O-alkylation of phenolic compounds
06/01/1994EP0599036A1 Method for the preparation of 2-aryl-5-trifluoromethyl pyrrole compounds
06/01/1994DE4340490A1 Improed process for coupling arylboronic acids with aryl halides - carried out in presence of a transition metal (esp. palladium) catalyst with a bidentate, lipophilic, aliphatic phosphine ligand
05/1994
05/26/1994CA2109741A1 Method for the preparation of 2-aryl-5-trifluoromethyl pyrrole compounds
05/25/1994CN1024654C Alkylation of polycyclic aromatic compounds to alkylates enriched in para-substituted isomers
05/18/1994EP0282542B1 Process for the production of alkylene or cyclically linked compounds
05/17/1994US5313001 Reacting a halogenated aromatic compound with a 1,1-difluoro ethylene compound in presence of palladium catalyst
05/11/1994WO1994010124A1 Isomerization of dimethylcyclohexanedicarboxylate
05/11/1994WO1994010105A1 Method of crosslinking aromatic boron acids with aromatic halogen compounds or perfluoroalkyl sulphonates
05/11/1994CA2146355A1 Isomerization of dimethylcyclohexanedicarboxylate
05/10/1994US5310666 Process for the enantioselective preparation of (β-1)-hydroxyalkylxanthines by reduction using Rhodotorula rubra
04/1994
04/28/1994DE4236103A1 Verfahren zur Kreuzkupplung von aromatischen Boronsäuren mit aromatischen Halogenverbindungen oder Perfluoralkylsulfonaten Process for the cross-coupling of aromatic boronic acids with aromatic halogen compounds or perfluoroalkyl sulfonates
04/20/1994EP0592509A1 Activated propenes as colour couplers and a method for their production.
04/12/1994US5302732 Use of ultra-low sodium silica-aluminas in the alkylation of aromatics
04/06/1994EP0590714A1 Process for preparing an effective catalyst for n-paraffins hydroisomerization
03/1994
03/29/1994US5298472 For hydrocarbons
03/22/1994US5296612 Process for producing enyne derivatives
03/16/1994EP0587471A1 Use of carbohydrates in the solid state as chiral supports for chemical reactions
03/16/1994EP0587050A1 Process for the preparation of an aromatic group substituted olefins from chloroaromatics
03/09/1994CN1083480A Process for the preparation of substituted benzenes and benzene sulfonic acid and derivatives thereof and a process for the preparation of N,N'-substituted ureas
03/08/1994US5292977 Palladium catalyzed alkylative cyclization useful in synthesis of vitamin D and analogues
02/1994
02/23/1994EP0584043A1 Process for the preparation of substituted benzenes and benzene sulfonic acid and derivatives thereof and a process for the preparation of N'N-substituted ureas
02/23/1994EP0583429A1 Highly reactive form of copper and reagents thereof
01/1994
01/20/1994WO1994001383A1 Perfluoroalkylation reagent and method using such reagent
01/19/1994CN1080881A 烷基化催化剂的再生 Alkylation catalyst regeneration
01/12/1994CN1023476C Process of preparing trifluoromethylvinyl derivatives starting with appropriate halogenovinyl derivatives
01/06/1994WO1994000423A1 Cross-coupling process of boric acids with halogenated compounds
01/05/1994CN1023395C Praparation of hydrocarbons from hydrocarbons containing at least four carbon actoms by hydrogenation and isomerisation
01/04/1994US5276245 Alkylation catalyst regeneration
01/04/1994US5276194 Reacting perfluoroalkyl iodide with aromatic compound in presence of aqueous inorganic base
12/1993
12/29/1993EP0576024A1 Alkylation catalyst regeneration
12/23/1993DE4220082A1 Linear poly:cyclic cpds. prodn. from boronic acid and halogen cpds. - by cross-coupling in aq. solvent in presence of catalyst and water-soluble borate, esp. prodn. of liquid crystal cpds. with fluoro-phenoxy gp.
12/09/1993WO1993024263A1 Highly reactive zerovalent metals from metalcyanides adapted for preparation of organometallic compounds
12/08/1993EP0460111B1 Preparation of 4-substituted aryl olefins
12/07/1993US5268524 Preparation of linear alkyl aromatics
11/1993
11/23/1993US5264646 Process for preparing vinylically-unsaturated compounds
11/23/1993US5264094 Process for the preparation of fluorobenzenes
11/18/1993EP0402399B1 Control of product selectivity in the addition of hcn to arabinose
11/09/1993US5260036 Reactive cement lining to produce calcium and magnesium halides
11/03/1993EP0567847A1 Halogenation process in advantageous solvents
11/02/1993US5258554 Reaction of benzyl alcohol and p-chlorophenol, acid catalyst, selectivity
10/1993
10/27/1993EP0566680A1 Layered oxide materials and swollen and pillared forms thereof
10/26/1993US5256829 Debromination of dibromonaphthols
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