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) |
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03/28/1995 | US5401869 Process for the preparation of aminomethylene compounds |
03/22/1995 | CN1100406A A process for the production of a cyclopentenol derivative |
03/22/1995 | CN1100401A Improved process for alkylation of aromatics with linear olefins derived from a linear paraffin dehydrogenation step |
03/15/1995 | EP0634953A4 Gas phase degradation of organic compounds. |
03/07/1995 | US5396017 Catalytic olefin alkylation using hydrogen fluoride on a support |
03/07/1995 | US5396011 Catalytic alkylation of aromatic compounds with alkenes |
02/22/1995 | EP0639548A1 Catalytic wall reactors and use of catalytic wall reactors for methane coupling and hyxdrocarbon cracking reactions |
02/16/1995 | WO1995004796A1 Depolymerization process |
02/15/1995 | EP0638531A1 Alkylation process |
02/09/1995 | WO1995004277A1 A method for preparing and selecting pharmaceutically useful non-peptide compounds from a structurally diverse universal library |
02/09/1995 | CA2168886A1 A method for preparing and selecting pharmaceutically useful non-peptide compounds from a structurally diverse universal library |
02/07/1995 | US5387725 Chlorinating compounds having acidic protons with a perchloro-alkane and aqueous base in the presence of a tetraalkyl-ammonium hydroxide phase transfer catalyst |
02/06/1995 | CA2109265A1 Alkylation process |
01/31/1995 | US5386055 Depolymerization process |
01/25/1995 | EP0635466A1 Decarboxylation process |
01/25/1995 | EP0634953A1 Gas phase degradation of organic compounds |
01/11/1995 | EP0632802A1 New alkylating reagent, process for preparing the same and its use |
01/04/1995 | EP0423300B1 Chiral reaction medium for organic reactions |
12/28/1994 | EP0630361A1 Palladium catalyzed alkylative cyclization useful in synthesis of vitamin d and analogues |
12/22/1994 | WO1994029243A1 Synthesis of substituted triphenylenes, useful as discotic liquid crystals |
12/21/1994 | CN1096511A Process for the preparation of biphenyl derivatives |
12/20/1994 | US5374404 Method and apparatus for use in photochemically oxidizing gaseous halogenated organic compounds |
12/14/1994 | EP0628019A1 Polyfluoroalkylation of aromatic compounds. |
12/14/1994 | EP0627944A1 Method and apparatus for use in photochemically oxidizing gaseous halogenated organic compounds |
12/07/1994 | EP0627393A1 A process for the production of a cyclopentenol derivative |
12/04/1994 | CA2122768A1 Process for the production of a cyclopentenol derivative |
11/23/1994 | EP0446301B1 Preparation of biaryl compounds |
11/08/1994 | US5362452 Space between bed forming cylindrical casing and central core used as manifold; increased efficiency; petroleum industry |
11/02/1994 | CN1026409C Preparation of hydrocarbon |
11/01/1994 | US5360935 From phenylmethanesulfonyl fluorides and phenylacyl bromides, phase transfer agent, base, solvent |
11/01/1994 | US5360924 Process for preparing aromatic olefins |
10/26/1994 | EP0621254A2 Procedure for isomerising double bonds of pyrethrinoids |
10/26/1994 | EP0621250A1 Process for the codimerisation of dienes and olefins |
10/25/1994 | US5359091 A substituted allylamine derivative; compounds showing strong inhbiting activities against Squalene epoxidase; anti-cholesterol agents |
10/13/1994 | WO1994022878A1 Alkylating agent and 1,4-addition process of an alkyl group onto an alpha, beta-unsaturated ketone compound |
10/11/1994 | CA1332401C Zeolite l preparation |
09/28/1994 | CN1092764A Method for the preparation of 2-aryl-5-trifluoromethyl pyrpole compounds |
09/26/1994 | CA2119991A1 Process for the isomerization of double bonds |
09/13/1994 | US5347067 Alkylation process |
09/13/1994 | US5347063 Method for direct arylation of diamondoids |
09/07/1994 | EP0543898B1 Zinc-containing zeolite l |
09/01/1994 | WO1994019090A1 Gas phase degradation of organic compounds |
08/24/1994 | EP0611366A1 Chlorination process, alkylation of products of said process and some products thereof |
08/23/1994 | USRE34706 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 |
08/03/1994 | EP0608725A2 Process for preparing aminomethylene compounds |
08/02/1994 | US5334793 Increasing catalyst life and improving product linearity in the alkylation of aromatics with linear olefins |
08/02/1994 | US5334357 Uniform mixing of reactants |
07/13/1994 | EP0606065A1 Method for the preparation of biphenyl derivatives |
07/13/1994 | EP0606057A1 Process for the preparation of aromatic olefins |
07/12/1994 | US5329054 Decarboxylation process |
07/07/1994 | WO1994014732A1 The catalytic alkylation of aromatic compounds with alkenes |
07/07/1994 | CA2112795A1 Process for the preparation of biphenyl derivatives |
06/22/1994 | EP0497796B1 Method of preparation of fluorobenzenes |
06/16/1994 | DE4241747A1 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 |
06/15/1994 | EP0601156A1 Cross-coupling process of boric acids with halogenated compounds |
06/08/1994 | EP0600367A1 Method for preparing aromatic vinyl compounds |
06/08/1994 | EP0498817B1 Process for producing fluorinated organic compounds |
06/01/1994 | EP0599688A1 Process for O-alkylation of phenolic compounds |
06/01/1994 | EP0599036A1 Method for the preparation of 2-aryl-5-trifluoromethyl pyrrole compounds |
06/01/1994 | DE4340490A1 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 |
05/26/1994 | CA2109741A1 Method for the preparation of 2-aryl-5-trifluoromethyl pyrrole compounds |
05/25/1994 | CN1024654C Alkylation of polycyclic aromatic compounds to alkylates enriched in para-substituted isomers |
05/18/1994 | EP0282542B1 Process for the production of alkylene or cyclically linked compounds |
05/17/1994 | US5313001 Reacting a halogenated aromatic compound with a 1,1-difluoro ethylene compound in presence of palladium catalyst |
05/11/1994 | WO1994010124A1 Isomerization of dimethylcyclohexanedicarboxylate |
05/11/1994 | WO1994010105A1 Method of crosslinking aromatic boron acids with aromatic halogen compounds or perfluoroalkyl sulphonates |
05/11/1994 | CA2146355A1 Isomerization of dimethylcyclohexanedicarboxylate |
05/10/1994 | US5310666 Process for the enantioselective preparation of (β-1)-hydroxyalkylxanthines by reduction using Rhodotorula rubra |
04/28/1994 | DE4236103A1 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 |
04/20/1994 | EP0592509A1 Activated propenes as colour couplers and a method for their production. |
04/12/1994 | US5302732 Use of ultra-low sodium silica-aluminas in the alkylation of aromatics |
04/06/1994 | EP0590714A1 Process for preparing an effective catalyst for n-paraffins hydroisomerization |
03/29/1994 | US5298472 For hydrocarbons |
03/22/1994 | US5296612 Process for producing enyne derivatives |
03/16/1994 | EP0587471A1 Use of carbohydrates in the solid state as chiral supports for chemical reactions |
03/16/1994 | EP0587050A1 Process for the preparation of an aromatic group substituted olefins from chloroaromatics |
03/09/1994 | CN1083480A 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 |
03/08/1994 | US5292977 Palladium catalyzed alkylative cyclization useful in synthesis of vitamin D and analogues |
02/23/1994 | EP0584043A1 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 |
02/23/1994 | EP0583429A1 Highly reactive form of copper and reagents thereof |
01/20/1994 | WO1994001383A1 Perfluoroalkylation reagent and method using such reagent |
01/19/1994 | CN1080881A 烷基化催化剂的再生 Alkylation catalyst regeneration |
01/12/1994 | CN1023476C Process of preparing trifluoromethylvinyl derivatives starting with appropriate halogenovinyl derivatives |
01/06/1994 | WO1994000423A1 Cross-coupling process of boric acids with halogenated compounds |
01/05/1994 | CN1023395C Praparation of hydrocarbons from hydrocarbons containing at least four carbon actoms by hydrogenation and isomerisation |
01/04/1994 | US5276245 Alkylation catalyst regeneration |
01/04/1994 | US5276194 Reacting perfluoroalkyl iodide with aromatic compound in presence of aqueous inorganic base |
12/29/1993 | EP0576024A1 Alkylation catalyst regeneration |
12/23/1993 | DE4220082A1 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. |
12/09/1993 | WO1993024263A1 Highly reactive zerovalent metals from metalcyanides adapted for preparation of organometallic compounds |
12/08/1993 | EP0460111B1 Preparation of 4-substituted aryl olefins |
12/07/1993 | US5268524 Preparation of linear alkyl aromatics |
11/23/1993 | US5264646 Process for preparing vinylically-unsaturated compounds |
11/23/1993 | US5264094 Process for the preparation of fluorobenzenes |
11/18/1993 | EP0402399B1 Control of product selectivity in the addition of hcn to arabinose |
11/09/1993 | US5260036 Reactive cement lining to produce calcium and magnesium halides |
11/03/1993 | EP0567847A1 Halogenation process in advantageous solvents |
11/02/1993 | US5258554 Reaction of benzyl alcohol and p-chlorophenol, acid catalyst, selectivity |
10/27/1993 | EP0566680A1 Layered oxide materials and swollen and pillared forms thereof |
10/26/1993 | US5256829 Debromination of dibromonaphthols |