Patents
Patents for C07C 69 - Esters of carboxylic acids; Esters of carbonic or haloformic acids (54,756)
12/1989
12/14/1989WO1989012040A1 Compounds containing at least three functional ester groups and process for producing them
12/14/1989WO1989012039A1 Fluorinated biphenyldiole derivatives
12/14/1989WO1989012038A1 New cyclites derived from streptomycetes, their preparation and use
12/14/1989WO1989012037A1 Process for the preparation of (arylethyl)hydroquinones and diesters thereof
12/13/1989EP0346276A1 Substituted benzocyclobutenes, process for their preparation and their use
12/13/1989EP0345801A1 Novel carboxylic acid esters, methods for producing them and insecticides containing them as an active ingredient
12/13/1989EP0345719A2 Compounds containing at least three functional ester groups, and process for their preparation
12/13/1989EP0345653A2 Transition metal complex
12/13/1989EP0345457A2 Antinflammatory agent for the therapy of prostatic hypertrophy, a process for the preparation thereof and pharmaceutical compositions containing it
12/13/1989CN1006063B Process for the preparation of hydroquinone clerivatives
12/12/1989US4886930 Zeolitic para-xylene separation with tetralin heavy desorbent
12/12/1989US4886907 Polysubstituted derivatives of naphthalene, their process of preparation and their application in the cosmetic and pharmaceutical fields
12/12/1989US4886904 Polyprenyl composition or compounds and process for the production thereof
12/12/1989US4886901 Method for purifying a crude dimethyl naphthalene dicarboxylate
12/12/1989US4886900 Tetrakis(3-(3,5-di-tert.buyl-4-hydroxyphenyl)propionyl-oxymethyl) methane with amorphous structure, process for its preparation and its use as a stabilizer
12/12/1989US4886899 Housefly chemosterilants
12/12/1989US4886898 Intermediates for circulation-active substituted aminomethyl-5,6,7,8-tetrahydronaphthyloxy-acetic acids
12/12/1989US4886891 Process for preparing 1,1-disubstituted ethylene derivative by reaction of lead with a carbinol derivative
12/12/1989US4886835 Alkadiene derivatives, their preparation, and pharmaceutical compositions containing them
12/12/1989US4886788 Cyclodextrin clathrates of carbacyclin derivatives and their use as medicinal agents
12/12/1989US4886623 Ferroelectric smectic liquid crystal compound and composition containing the same
12/12/1989CA1263870A1 Preparation of trifluoroacetyl chloride
12/12/1989CA1263843A1 Treatment of sleep disorders
12/06/1989EP0344768A1 Novel carboxylic acid esters, methods for producing them and insecticides and/or acaricides containing them as an active ingredient
12/06/1989EP0344746A2 An improved process for the minimization of racemization in the preparation of optically active ((aryloxy) phenoxy) propionate herbicides
12/06/1989EP0344602A1 6-Substituted 4-hydroxy-tetrahydro-pyran-2-one derivatives, process for their production, pharmaceutical preparations based on these compounds
12/06/1989EP0344557A2 Liquid crystal components with a trimethylenoxy group
12/06/1989EP0344419A2 Method for preparing fatty acid or hydroxy-fatty acid esters of isopropylidene derivatives of a polyglycerol
12/06/1989EP0344418A1 Process for the preparation of non-ionogenic tensides
12/06/1989EP0217240B1 Chiral esters of mesogenic-carboxylic acids, process for their preparation and their use as doping agents in liquid crystal phases
12/05/1989US4885408 Chlorination of ortho-substituted phenols
12/05/1989US4885383 Acid catalysis of methanol and mono or diacid below carboxylate boiling point
12/05/1989US4885382 Ester interchange in the presence of a basic catalyst; purity, nondiscoloring
12/05/1989US4885372 Intermediates for the preparation of prostaglandin derivatives
12/05/1989CA1263667A1 Process for the preparation of esters from trifluoroacetic or trichloroacetic acid
12/05/1989CA1263666A1 Preparation of trifluoroacetate methyl
12/05/1989CA1263664A1 Diesters
11/1989
11/30/1989WO1989011520A1 Polysuccinate esters and lubricating compositions comprising same
11/30/1989WO1989011478A1 Ruthenium-catalyzed production of cyclic sulfates
11/30/1989WO1989011471A1 Recovery of dialkyl naphthalene-2,6-dicarboxylates from naphthalene-2,6-dicarboxylic acid-containing polyesters
11/30/1989WO1989011470A1 Dihalogeno-3,3 fluoro-2 propenols-1, preparation method and utilization for the synthesis of fluoro-2 acrylic and dihalogeno-3,3 fluoro-2 acrylic acids and their derivatives
11/30/1989WO1989011469A1 New leukotriene-b4-derivates, process for producing the same and their use as medicaments
11/29/1989EP0344113A2 Substituted alpha-pyrones and naphthoquinones
11/29/1989EP0344112A2 Substituted bisacyloxynaphthacenes, and process for the preparation of tetrathiotetracenes
11/29/1989EP0344109A2 Substituted naphthacene-5,12-diones and their use
11/29/1989EP0344096A1 Leukotriene B4 derivatives, their preparation and use as medicines
11/29/1989EP0343916A2 Purification of diphenyl phthalates
11/29/1989EP0343812A1 Process for preparing trans-2,2-dimethyl-3-(2,2-dihalovinyl)-cyclopropane carboxylic acid esters
11/29/1989EP0343598A1 Preparation of 4-pentenoates by isomerization
11/29/1989EP0343583A2 A process for purifying methyl methacrylate
11/29/1989EP0343487A1 Cyclohexyl esters of alpha-fluoro/carboxylic acids
11/29/1989EP0343468A2 Method of producing E7, Z9-alkadien-1-ols and their hydroxy-protected derivatives
11/29/1989EP0343441A2 Fluorinated bis-aryloxy-substituted alkenes, method for their production an their application
11/29/1989CN1037509A Novel photoactive compounds, processes for their production and inter-mediates therefor
11/28/1989US4883906 Recovering product before it cools or comes into contact with water
11/28/1989US4883904 Process for the preparation of ethyltrifluoroacetoacetate
11/28/1989US4883902 By -product inhibition, ester interchange
11/28/1989US4883901 Synthesis of 2-(4-aminophenoxy)alkanoic acids and esters and their derivatives
11/28/1989US4883899 Acrylated polyesters and polyethers, crosslinking amino resins
11/28/1989US4883898 Chemiluminescent compounds
11/28/1989US4883887 Sulfone polyene intermediates
11/28/1989US4883495 Amino-containing alkenylsuccinic esters
11/28/1989CA1263403A1 Process for preparing an ester derivative of a dihydric phenol
11/28/1989CA1263382A1 Carbacyclins, processes for their production and their use as medicinal agents
11/23/1989EP0343042A1 Process for the preparation of alkyl malonates
11/23/1989EP0342849A2 Intermediates for preparing 1,4-dihydro-4-oxo-quinoline-3-carboxylic acid esters
11/23/1989EP0342666A2 Novel biphenyl compounds, method of producing the same as well as liquid crystal compositions and light switching elements each containing the same
11/23/1989EP0342665A2 Physiologically active substance tan-931, its derivatives, their production and use
11/23/1989EP0342475A1 Process for production of carboxylic acid esters
11/23/1989EP0342459A2 Acrylic esters and fungicides containing same
11/23/1989EP0342458A2 Process for producing carboxylic acid esters
11/23/1989EP0342440A1 Halogen-substituted phenoxybenzyl-(thi)ol derivatives
11/22/1989CN1037350A 增塑剂 Plasticizers
11/21/1989US4882085 Lactic acid derivative and liquid crystal composition containing same
11/21/1989CA1263122A1 Process for the carbonylation of allenically unsaturated compounds
11/21/1989CA1263121A1 Process for the carbonylation of acetylenically unsaturated compounds
11/16/1989WO1989010929A2 New l-fucose analogs, method of preparation, application of such analogs to the preparation of new glycals, anthracyclines obtained with said glycals and utilization of said anthracyclines as drugs
11/16/1989WO1989010914A1 Thermochromic esters
11/16/1989WO1989010913A1 Method of preparing aryl esters of acetic acid
11/16/1989WO1989010912A1 Method of preparing aromatic ethers from iodoaromatic compounds
11/16/1989DE3914524A1 Diisopropylbiphenyl mono- and dihydroperoxides, process for their preparation, and compounds derived therefrom
11/15/1989EP0342084A1 Process for the preparation of methyl acetate from methyl formiate
11/15/1989EP0341961A2 Polymalonic acids as boneaffinity agents
11/15/1989EP0341922A2 Naphthalene compound and liquid crystal composition containing the same
11/15/1989EP0341845A2 Fungicides
11/15/1989EP0341686A2 Novel halogen-containing ester compounds, and their intermediates, and method of producing the same as well as liquid crystal compositions containing the same and light switching elements
11/15/1989EP0341551A1 Alkenoic acid derivatives
11/15/1989EP0341548A2 Process for the preparation of vicinal diacyloxysubstituted compounds
11/15/1989EP0341514A2 Process for the preparation of asymmetrical biaryle compounds
11/14/1989US4880894 Quaternary ammonium salts used as phase transfer catalyst
11/14/1989CA1262899A1 2-aminopurine derivatives having anti-viral activity
11/14/1989CA1262893A1 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
11/08/1989EP0341154A2 Analogues of L-fucose, process for their preparation, their application for the preparation of glycals, anthracycline derivatives of the glycals and the use of the anthracyclines as medicaments
11/08/1989EP0340710A2 3,9 Dihydroxynonine and its in the 9-OH function protected derivatives
11/08/1989EP0340305A1 Hemolysis inhibitor and plasticizer
11/08/1989EP0182872B1 A process for the preparation of cyclobutene-substituted aromatic hydrocarbons
11/08/1989CN1036951A Process for producing aromatic carbonate
11/08/1989CN1036950A Catalyzing compounding acetic isoborneol ester from natural silky tustre zeolite
11/08/1989CN1036949A Compounding method of methoxyl insecticidal ester
11/07/1989USRE33109 Chalcone derivatives