Patents
Patents for C07C 201 - Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton (5,786)
06/1988
06/28/1988CA1238652A1 Process for the production of dinitrotoluene
06/22/1988EP0272213A2 Process for the oxidation of aromatic secondary alcohols
06/15/1988EP0270970A2 Process for preparing 3,5 dichloro-2,4 difluoronitrobenzene
06/15/1988EP0270965A2 Process for the preparation of substituted 3,5-dichloro-2,4-difluorobenzenes
06/15/1988EP0270964A2 Process for obtaining substituted fluorobenzenes
06/15/1988CN87107214A High purity process for preparation of 4,6-diamino-1, 3-benzenediol
06/14/1988US4751332 Treatment of resorcinols with peroxypropionic acid
06/01/1988EP0268795A2 2-(2-substituted benzoyl)-4-(substituted oxy or substituted thio)-1,3-cyclohexanediones, a process for their production and a herbicidal composition containing them
05/1988
05/24/1988US4746642 Selective distribution of isomers in nitration of chlorobenzene
05/24/1988CA1237127A1 9-substituted carbacyclin analogs
05/17/1988US4745232 Process for preparing 4,6-dinitroresorcinol
05/17/1988US4744812 Substituted diphenyl ethers, herbicides containing these compounds and their use as herbicides
05/11/1988CN87107000A 2-(2-substituted benzoxy)-4-(substituted oxygen or substituted sulfur)-1,3-cyclohexabenzophenone preparation and application
05/10/1988US4743622 Fluoro compounds
05/05/1988WO1988003131A1 High purity process for the preparation of 4,6-diamino-1,3-benzenediol
05/05/1988WO1988003020A1 Organic acid anhydride and pharmaceutical composition on a prodrug base
05/04/1988EP0266222A1 High purity process for the preparation of 4,6-diamino-1,3-benzenediol
04/1988
04/27/1988EP0264802A2 Synthesis of peptide-aminoalkyl amides and peptide hydrazides by the solid phase method
04/27/1988EP0264751A2 Hydroxycarboxylic acid derivatives and their application in copying materials
04/13/1988EP0263309A2 Process for the preparation of bromofluoroethylhypofluorite
04/12/1988CA1235134A1 Benzo-1,4-quinones
04/06/1988CN87104101A Certain 2-benzoyl-1, 3, 5-cyclohexanetriones
04/05/1988US4736057 Cyclohexane derivatives
04/05/1988CA1234836A1 Fluorene derivatives
03/1988
03/30/1988EP0261327A1 Process for the production of trihydroxy- or alkoxyhydroxybenzenes
03/29/1988US4734532 High speed oxidative dimerization of 4-nitrotoluene
03/29/1988US4734512 Intermediates for the production of podophyllotoxin and related compounds and processes for the preparation and use thereof
03/16/1988EP0259995A1 Liquid crystal material
03/16/1988EP0259818A2 Process for the preparation of perhalohydrocarbon hypochlorites
03/16/1988EP0259817A2 Process for preparing Hypofluorites and bis-hypofluorites
03/15/1988US4731466 Hydroxyphenyl- and hydroxyphenoxyalkanoic acid iodopropargyl esters
03/09/1988EP0258985A1 Process for preparing fluoroaromatic compounds
03/02/1988EP0258190A2 Process for preparing aromatic ethers and thioethers
03/02/1988EP0257921A2 New 1,3-diaryl cyclopentanes and derivatives thereof as paf antagonists
03/02/1988EP0257422A1 Phenoxybenzoic-acid esters
03/02/1988EP0257420A1 Selected diisocyanates,process for their preparation and their use as constituting components in the production of polyurethane plastics
03/02/1988EP0257309A2 Process for the preparation of ethynylbenzaldehydes
03/02/1988EP0257251A1 Fluoroalkylated dimethylolnitromethanes, process for their manufacture and their application
03/01/1988USH448 Co-nitration of 1,2,4-butanetriol and glycerin
02/1988
02/24/1988EP0256504A1 Process for the extraction of nitro-hydroxy-aromates from aqueous solutions
02/24/1988CN87103543A Fungicides
02/23/1988US4727187 Catalytic fluorination of dichloroalkyl phenyl ether
02/23/1988US4727083 Fungicidal composition employing nitrobenzene derivatives
02/17/1988EP0255887A1 Process for the preparation of 2,2-bis(3-nitrophenyl)-hexa-fluoropropane
02/09/1988US4724268 Reacting ortho and para isomers with alcohol in presence of base
02/09/1988US4724263 Certain 2-phenylacetyl-1,3,5-cyclohexanetriones
02/03/1988EP0255236A2 Fluorine-containing chiral smectic liquid crystals
02/03/1988EP0254990A1 Process for preparing 2,2-bis-(4-hydroxy-3-nitrophenyl)-hexafluoropropane
02/02/1988US4723044 Production of dibromonitro compound
02/02/1988US4723043 Nitration of phenolic compounds
02/02/1988US4723037 Process for making 1,3-dioxane derivatives
02/02/1988US4723034 Stilbene derivatives, and fungicides which contain these compounds
02/02/1988US4723022 Substituted 2,3-naphthalenedicarboxaldehydes
01/1988
01/26/1988US4721821 Oxidative coupling in alkali methoxide
01/26/1988CA1231961A1 Preparation of cyclobutene substituted aromatic hydrocarbons
01/20/1988EP0253124A2 Certain substituted 3-(substituted oxy)-2-benzoyl-cyclohex-2-enones
01/20/1988CN87104115A Certain substituted 3-(substituted oxy)-2-benzoyl-cyclohex-2-enones
01/20/1988CN87103274A 5-arylalkyl-4-alkoxy-2(5h)-furanones, processes and intermediates for preparing thereof and use as pharmaceutical compositions
01/19/1988US4720584 Nitro substituted diphenyl ethers and derivatives thereof
01/14/1988WO1988000227A2 Polymerizable liquid crystal materials and polymers displaying liquid crystal phases
01/13/1988EP0252298A2 Certain 2-benzoyl-1,3,5-cyclohexanetriones
01/13/1988CN87103507A Preparation of propargyloxybenzene derivatives and fungicides containing propargyloxybenzene derivatives
01/12/1988CA1231332A1 Nuclear chloration of aromatic hydrocarbons with a catalytic composition containing a lewis acid and an n-substituted phenothiazine derivative
01/07/1988EP0252003A2 Substituted aminoxy succinates and their application as stabilisers
01/07/1988EP0251953A1 Process for the preparation of dinitroalkyl benzenes
01/07/1988EP0251941A1 Process for preparing paranitrophenol
01/07/1988EP0251082A2 Substituted acrylic acid esters and fungicides containing these compounds
01/07/1988EP0251058A2 Process for the racemization of optically active phenoxy-propionic acid esters and their derivatives
01/07/1988DE3621581A1 Polymerisierbare fluessigkristallmaterialien Polymerizable fluessigkristallmaterialien
01/05/1988US4717778 Process for separating the minor isomers of dinitrotoluene
01/05/1988US4717417 Certain 2-pyridyloxyphenoxypropanoic acid esters having herbicidal activity
01/05/1988CA1231099A1 Long chain alkyl- or alkenyl quaternary ammonium salts and their use as drag reducing agents
12/1987
12/22/1987US4714783 Separation of nitrobenzaldehyde isomers
12/16/1987EP0249567A2 Propargyloxybenzene derivatives, their preparation and fungicidal compositions containing them
12/16/1987EP0249151A2 Certain 2-phenylacetyl-1,3,5-cyclohexanetriones
12/16/1987EP0248861A1 Dispirotetradecane.
12/15/1987US4713232 Process for the destruction of by-product tetranitromethane
12/09/1987EP0248746A1 Process for the preparation of 4-fluoro-anilines from 4-halogen-nitrobenzenes
12/09/1987EP0248213A2 Hydroxyphenyl- and hydroxyphenoxyalkanoic acid iodopropargyl esters
12/08/1987CA1230129A1 Diacetylenes having liquid crystal phases
12/02/1987EP0247320A2 5-Arylalkyl-4-alkoxy-2(5H)-furanones, intermediates and process for their preparation as well as their application as therapeutically active ingredients
11/1987
11/24/1987US4709082 Crystallization with an amine or alcoholate as racemizing agent
11/24/1987US4709078 Acrylates, and fungicides which contain these compounds
11/24/1987US4709004 Polyesteramide from hydroxy phenyl-isopropyl-amino diphenyl ether
11/18/1987CN87102764A Process for the destruction of by-product tetranitromethane
11/10/1987US4705860 Quaternary ammonium salts and their use as drag reducing agents
11/10/1987US4705797 Hypotensive agents, vasodilators
11/03/1987US4704483 Fluorination with potassium fluoride
10/1987
10/28/1987EP0243014A1 Fungicides
10/28/1987CN87102882A Acid catalyzed process
10/27/1987CA1228595A1 Method for the preparation of nitrodiphenyl ethers
10/22/1987WO1987006244A1 Acid catalyzed process
10/21/1987EP0241664A1 Process for preparing substituted trihydroxybenzenes
10/20/1987CA1228358A1 Hydroquinone ether compounds
10/14/1987EP0241194A1 Process for the destruction of by-product tetranitromethane
10/14/1987EP0240659A2 N-substituted 3,4,5,6-tetrahydrophthalimides and their precursors
10/13/1987US4700011 Reacting a halogeno-nitrophenyl with a base, removing water
10/07/1987EP0240256A2 Compounds useful in treating sickle cell anemia
10/07/1987EP0239872A1 Process for preparing 4-nitrophenetole
09/1987
09/30/1987EP0239354A2 2,2-Dinitrophenylethane derivatives and their application as protecting compounds
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