Patents for C07B 39 - Halogenation (1,839)
01/1986
01/15/1986EP0167821A1 Process for carrying out Friedel-Crafts and Friedel-Crafts-like reactions
01/08/1986EP0167103A2 Process for the preparation of fluorine-18 labelled compounds by nucleophilic exchange
12/1985
12/27/1985EP0165630A2 Method of preparing a chlorinated, brominated, radiobrominated, iodinated and/or radioiodinated, aromatic or heteroaromatic compound, as well as a kit for preparing a diagnostic composition on the basis of this compound
12/18/1985EP0164619A1 2,4,5-Trihalo or 2,3,4,5-tetrahalo benzene derivatives and process for producing them
12/04/1985EP0163230A2 Process for producing aromatic chlorine compounds
10/1985
10/30/1985EP0159388A2 Preparation of nuclear chlorinated compounds
09/1985
09/18/1985EP0155093A2 Method for production of fluorine-containing aromatic derivative
08/1985
08/21/1985EP0152310A1 Process for the preparation of trifluoromethyl anilines
08/07/1985EP0150418A1 Process for preparing fluorinated aromatic compounds
08/06/1985US4533777 Haloalkylation of a benzene ring using carbon tetrachloride and hydrofluoric acid
07/1985
07/31/1985EP0150169A2 A process for preparing substituted benzotrichloride compounds
06/1985
06/19/1985EP0145554A2 Process for the preparation of chlorinated ethylenic compounds
06/18/1985US4524032 Direct fluorination of etherified or unetherified hydroxy group bearing aromatic compounds
02/1985
02/13/1985EP0132971A2 Production of chlorinated hydrocarbons
02/12/1985US4499024 Continuous process for preparing bisfluoroxydifluoromethane
01/1985
01/09/1985EP0130877A1 Process for the chlorination of aromatic compounds
01/09/1985EP0130876A1 Process for the simultaneous halogenation and fluorination of aromatic compounds
01/09/1985EP0130875A1 Process for the halogenation-nitration fluorination of aromatic compounds
12/1984
12/18/1984US4489210 Process for the halogenation of organic compounds
11/1984
11/28/1984EP0126669A1 N-substituted phenothiazine derivative as a catalyst for the nuclear chlorination of aromatic hydrocarbons
11/07/1984EP0124002A1 Process for the preparation of aromatic compounds containing perfluorinated side chains linked by a heteroatom
10/1984
10/30/1984US4479901 Fluorination of carbanions with N-fluoro-N-alkylsulfonamides
10/09/1984US4476337 Fluorination over double bond using tetrafluoroammonium tetrafluoroborate
10/09/1984US4476320 Process for the preparation of fluoroaromatic compounds substituted in the o-position
10/03/1984EP0120575A1 Organic fluorine compounds
09/1984
09/19/1984EP0119068A1 Method for preparing diaryl iodonium salts
09/11/1984US4470930 Preparation of nuclear chlorinated aromatic compounds
07/1984
07/31/1984US4462937 Continuous process of passing gaseous hydrofluoric acid counter currently through liquid reactant layers
05/1984
05/22/1984US4450149 Radiohalogenation method
05/02/1984EP0106863A1 A process for preparing substituted polycyclo-alkylidene polycyclo-alkanes as well as said substituted polycyclo-alkylidene polycyclo-alkanes.
01/1984
01/17/1984CA1160646A1 Process for the selective aliphatic chlorination of alkylbenzenes
12/1983
12/27/1983US4423260 Reaction with tetrafluoroammonium tetrafluoroborate
12/13/1983CA1158671A1 Fluorination of organic compounds with fluorine in porous metal tube reactor with perfluorinated diluent
12/13/1983CA1158670A1 Preparation of fluorinated organic compounds with elemental fluorine and fused alumina porous reactor
12/07/1983EP0095637A2 Process for preparing alpha-chlorinated nitrogen heterocycles
10/1983
10/27/1983WO1983003604A1 A process for preparing substituted polycyclo-alkylidene polycyclo-alkanes and the corresponding epidioxy compounds; as well as said substituted polycyclo-alkylidene polycyclo-alkanes and the corresponding epidioxy compounds
09/1983
09/21/1983EP0089330A2 Preparation of substituted benzylic halides
09/06/1983US4402862 Stabilization of hygroscopic salts
08/1983
08/23/1983US4400563 Process for preparing perfluoro(lower)alkylbenzenes and their derivatives
08/23/1983US4400532 Production of trifluoroacetic acid from ethyl acetate
07/1983
07/26/1983CA1150725A1 PROCESS FOR HALOGENATION OF .beta.-LACTAM COMPOUNDS
07/19/1983US4394527 Argentic fluoride
07/12/1983US4393257 Noncatlytic reaction of corresponding benzotrichloride with hydrogen fluoride
05/1983
05/10/1983US4382891 Fluorination
04/1983
04/27/1983EP0077501A1 Process for the preparation of fluoroaromatic compounds substituted in the ortho position
03/1983
03/22/1983US4377715 Production of perfluoropropane
02/1983
02/23/1983EP0072514A1 Process for the halogenation of organic compounds
01/1983
01/04/1983US4367350 Fluorination, noncatalytic reaction
12/1982
12/21/1982US4365101 From benzotrichloride and hydrogen fluoride in presence of chlorin
10/1982
10/06/1982EP0061720A1 Process for the selective aliphatic chlorination of alkylbenzenes
10/05/1982CA1133007A1 Halogenating reagents
09/1982
09/29/1982EP0061029A1 Process for the preparation of trichloromethyl-substituted aromatic compounds
09/28/1982CA1132597A1 Method of stabilization of novel halogenation compounds
09/07/1982US4348265 Process for the selective aliphatic chlorination of alkylbenzenes
08/1982
08/11/1982EP0057291A2 Catalyst system containing specific cyano compound and acidic auxiliary agent
05/1982
05/25/1982US4331821 Process for the monohalogenation of alkylbenzenes in the α-position and new alkylbenzenes monohalogenated in the α-position
05/25/1982US4331613 Process for the preparation of trifluoromethylnaphthalenes
05/18/1982US4330475 Aerosol direct fluorination method and apparatus
05/05/1982EP0050790A1 Preparation of alpha-chlorinated nitrogen heterocycles
05/05/1982EP0050779A1 N-alkylated formamides, process for their preparation and their use
04/1982
04/27/1982US4327036 Chlorination process
03/1982
03/23/1982US4321208 Preparation of directly iodinated steroid hormones and related compounds
03/03/1982EP0046653A1 Method for converting carboxylic acid groups to trichloromethyl groups
03/02/1982CA1119156A1 Halogenation process
02/1982
02/10/1982EP0045431A1 Process for the side-chain bromination of toluenes and mixtures of toluenes diversly highly brominated in the side chain
02/10/1982EP0045423A1 Process for the alpha-halogenation of possibly substituted methyl aromatics
09/1981
09/23/1981EP0036352A1 Process for the preparation of trifluoromethyl benzenes from the corresponding trichloro or tribromo methyl benzenes
09/08/1981CA1108651A1 Liquid phase fluorination process
08/1981
08/18/1981US4284558 Fluorine, pentafluorosulfur hypofluorite, fluoroalkyl hypofluorites; free radical suppressor
07/1981
07/28/1981US4281119 Cryogenically controlled direct fluorination process, apparatus and products resulting therefrom
07/22/1981EP0032210A1 Fluorination of organic compounds with fluorine in porous metal tube reactor with perfluorinated diluent
07/08/1981EP0031519A1 Preparation of fluorinated organic compounds with elemental fluorine and fused alumina reactor
06/1981
06/02/1981CA1102305A1 Preparation of directly iodinated steroid hormones and related compounds
04/1981
04/01/1981EP0025829A1 Process for the preparation of alkyl chlorides
02/1981
02/11/1981EP0023584A1 Process for the preparation of trifluoromethyl naphthalenes
12/1980
12/30/1980US4242187 Preparation of alkanes substituted by chlorine atoms and/or sulfochloride groups
12/30/1980CA1092613A1 Liquid phase fluorination process
12/23/1980US4240988 Method of stabilization of kinetically controlled triaryl phosphite-halogen compounds
11/1980
11/12/1980EP0018606A1 Direct fluorination of etherified hydroxy group-bearing aromatic compounds
10/1980
10/28/1980US4230644 Derived from triaryl phosphites and chlorine or bromine
10/07/1980US4226986 7-acylamino-3-hydroxy-3-cephem compound, triaryl phosphite dihalide
09/1980
09/03/1980EP0015080A1 Process for the stabilization of halogenating compound and stabilized halogenating compositions
09/03/1980EP0015079A1 Halogenating compounds and a process for their production
08/1980
08/26/1980CA1084521A1 Ethynylbenzene compounds and derivatives thereof
08/20/1980EP0014566A1 Halogenated beta-lactam compounds and process for their preparation
07/1980
07/29/1980US4215044 Synthesis of α-fluorocarbonyl compounds
07/22/1980US4213920 Bromination, dehydrobromination and ozonolysis
05/1980
05/14/1980EP0010651A1 Preparation of fluoroorganic compounds with calcium fluoride
04/1980
04/16/1980EP0009787A2 Process for the monohalogenation of alkylbenzenes in alpha position
03/1980
03/18/1980US4194054 Preparation of substituted fluorobenzenes
03/06/1980WO1980000313A1 Improvements in the stabilisation of hygroscopic salts
03/05/1980EP0008453A1 Process for preparing trifluoromethyl aromatic compounds
03/04/1980US4191621 Process for the production of substituted benzal and benzyl bromides
01/1980
01/15/1980US4183873 Liquid phase fluorination process
01/08/1980US4182915 Preparation of substituted aromatic compounds
12/1979
12/12/1979EP0005810A1 Method for the preparation of organic fluoro compounds
12/04/1979CA1067523A1 Process for the production of chlorofluorinated acyclic hydrocarbons
12/04/1979CA1067522A1 Process for the production of chlorofluorinated cycloaliphatic hydrocarbons
12/04/1979CA1067518A1 Process for the production of chlorofluorinated aliphatic ketones
11/1979
11/13/1979US4174349 In presence of a cage compound and a polar, basic organic solvent
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