Patents
Sitemap › C07 - Organic chemistry › C07D - Heterocyclic compounds › C07D 303 - Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
Patents for C07D 303 - Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom (12,512)
06/1991
06/05/1991EP0430621A2 Process for the preparation of chiral 3,4-epoxy benzopyrans
06/05/1991EP0430096A2 Process for the production of 3,4-epoxybutyrate and intermediate therefor
06/04/1991US5021441 Organic compounds and their pharmaceutical use
05/1991
05/30/1991CA2030969A1 Process
05/29/1991EP0290452B1 Electronic inclinometer
05/21/1991US5017711 Chemical intermediate for perfume
05/21/1991US5017674 Epoxy resin composition for composite material from m- or o-substituted triglycidylaminophenols, with fortifier and latent curing agents
05/21/1991US5017583 Leukotriene antagonists
05/15/1991EP0427708A1 Isocarbacyclin derivatives
05/15/1991CN1051356A Epoxidation process
05/14/1991US5015761 Esters and alcohol derivatives of dimethyltricyclo(6.2.01.6)un decanes as perfumes
05/14/1991US5015579 Production of (-)trans-2,3-epoxysuccinic acid by fermentation
05/14/1991CA2029715A1 Fluoro-naphthacenediones, their glycosilated derivatives and their manufacture procedures
05/08/1991EP0426086A1 Alkylaryl hydrophobically modified cellulose ethers
05/08/1991EP0425557A1 Preparation of nitratoalkyl-substituted cyclic ethers.
05/08/1991EP0425555A1 Preparation of epoxy nitrates.
05/08/1991DE3936823A1 New 1,2-di:aryl-3-chloro-propene cpds.
05/07/1991US5013855 Reacting a 3-halo-1,2-propanediol sulfate with a phenol in the presence of base
05/07/1991US5013729 Systemic Bactericides
05/07/1991US5013478 Liquid crystals
05/07/1991CA1283927C Epoxy resins based on tetraglycidyl diamines
05/07/1991CA1283899C Process for the preparation of a silver-containing catalyst
05/02/1991WO1991005537A1 Method of accelerating wound and ulcer healing and treating periodontal disease
05/01/1991CA2028387A1 Alkylaryl hydrophobically modified cellulose ethers
04/1991
04/30/1991US5011954 Epoxides and their preparation
04/30/1991US5011943 FK-506 C10 -C24 process intermediates
04/24/1991EP0423992A1 1,1,1-Trifluoro-2-hydroxy compound
04/24/1991EP0423950A2 Purification of propylene oxide using an aqueous acetone extractive distillation agent
04/24/1991EP0423182A1 Oxidation of epoxy alcohols into carboxylic epoxy acids
04/21/1991CA2027824A1 Purification of propylene oxide using an aqueous acetone extractive distillation agent
04/20/1991WO1991005779A1 Thiurame disulphurs with epoxy groups, their preparation and their use in polymerization
04/20/1991WO1991005766A1 2-substituted 2-cyclopentenone and carcinostatic agent and osteogenesis promoter containing the same as active ingredient
04/20/1991CA2067743A1 Thiuram disulfides containing epoxy groups; process for preparing the same and their use in polymerization processes
04/20/1991CA2044179A1 2-substituted-2-cyclopentenone compound and anticancer agent and bone formation accelerator comprising same as active ingredient
04/17/1991EP0422897A2 Recovery of water-insoluble epoxy alcohols
04/16/1991US5008350 Glycidyl ethers of phenolic compounds and process for producing the same
04/16/1991CA1283250C Cyclohexanealkanoic acids
04/13/1991WO1991005778A1 Epoxidation of fluorine containing olefins
04/13/1991CA2067239A1 Epoxidation of fluorine containing olefins
04/10/1991EP0421781A1 Epoxidation process
04/10/1991EP0421600A1 Asymmetric chemical synthesis and intermediates for making antifungal compounds
04/10/1991EP0421379A1 Preparation of monoepoxides
04/10/1991EP0421125A2 Fungicidal azolylmethyloxiranes
04/09/1991US5006552 Cyclopentane derivatives
04/09/1991US5006206 Extractive distillation with mixture of water and tert-butanol
04/09/1991US5006151 Substituted oxirane compounds
04/09/1991CA1282787C Synthesis of aryloxypropanolamines and arylethanolamines
04/06/1991CA2026178A1 Epoxidation process
04/05/1991CA2026866A1 Preparation of monoepoxides
04/02/1991US5004817 Plasticizers and nucleating agents for polyester molding materials
04/02/1991US5004494 Heterocyclic compounds
03/1991
03/27/1991CN1050185A Process for preparing clausenamide and neoclausenamide, and of their derivatives
03/26/1991US5003115 Epoxidation of acetoxystyrene with a percarboxylic acid to produce acetoxyphenyl oxirane, hydrogenation followed by saponification
03/26/1991US5003101 Acrylates and fungicides containing them
03/21/1991WO1991003449A1 Isomerization of alk-2-enyl ethers
03/21/1991WO1991001980A3 Process for preparing plastics from raw fats and oils
03/21/1991DE3930166A1 New imidazolyl-methyl and triazolyl-methyl substd. O-tolyl-oxirane(s) - useful as broad spectrum fungicides to treat plants, seeds, soil and materials
03/20/1991EP0418007A2 Cyclopentane derivatives
03/20/1991EP0417870A2 Chelates for complexation of radioactive isotopes, their metal complexes and their use in diagnosis and therapy
03/20/1991EP0417785A1 Process for preparing optically active 3-phenylglycidic acid esters
03/20/1991EP0417432A1 Process for preparing 3-hydroxy 2-keto acids
03/19/1991CA1281730C Epoxy resins based on tetraglycidyl diamines
03/13/1991EP0416744A2 Recovery of tertiary butyl hydroperoxide and tertiary butyl alcohol
03/12/1991US4999440 Fungicidal hydroxyalkyl-triazolyl derivatives
03/12/1991US4999378 Phenylcarboxylic acid derivatives
03/12/1991CA2023595A1 Chelating agents for forming complexes with radioactive isotopes, metal complexes thereof and use thereof in diagnosis and therapy
03/12/1991CA1281332C Insecticidal n'-substituted-n,n'-diacylhydrazines
03/10/1991CA2024404A1 Fungicidal azolylmethyloxiranes
03/07/1991WO1991002728A1 Optically active epoxycyclohexane derivative, optically active epoxycyclohexanone derivative, and production of said derivatives
03/06/1991EP0415790A2 Naphthol-based epoxy resins, intermediates for the same, process for preparing the same, and epoxy resin compositions containing the same
03/06/1991EP0415572A2 Removal of acidic contaminants from tertiary butyl hydroperoxide
03/06/1991EP0415320A2 Selective production of threo-epoxy compounds
03/06/1991EP0415294A2 Cyclohexanol derivatives, production and use thereof
03/06/1991CN1049661A Three-liquid-phase expoxidation of perfluoroolefins
03/06/1991CA2023565A1 Isomerization of alk-2-enyl ethers
03/02/1991WO1991003451A1 Asymmetric chemical synthesis and intermediates for making antifungal compounds
03/02/1991CA2065741A1 Asymmetric chemical synthesis and intermediates for making antifungal compounds
03/01/1991CA2024306A1 Cyclohexanol derivatives, production and use thereof
03/01/1991CA2024257A1 Removal of acidic contaminants from tertiary butyl hydroperoxide
02/1991
02/27/1991EP0414610A1 Process for the enantioselective preparation of phenylisoserine derivatives
02/27/1991EP0414569A2 Three-liquid-phase epoxidation of perfluoroolefins
02/27/1991EP0414102A2 Diols with different functions and polyurethane elastomers produced therefrom
02/27/1991EP0414020A2 Process for the preparation of clausenamide and neoclausenamide and their derivatives
02/27/1991EP0414018A2 Process for the preparation of dehydrocycloclausenamide and its derivatives in the racemic form and as optically active (+)- or (-)-enantiomers
02/26/1991US4996375 Vitamin E intermediates and a process for their manufacture and conversion into Vitamin E
02/26/1991US4996279 Dissymmetric polymer materials
02/26/1991CA2023939A1 Three-liquid-phase epoxidation of perfluoroolefins
02/20/1991EP0413448A1 An Azole-substituted cycloalkanol derivative, a process to produce the same and a use of the derivative as an agricultural and horticultural fungicide
02/20/1991EP0413200A1 Substituted 1,2-naphthoquinone-(2)-diazide-4-sulfonic acids, process for their production and their use
02/19/1991US4994586 Including an alkali or alkaline halide in the epoxidation of an olefin by an organic hydroperoxide using a molybdenum catalyst; catalyst selectivity
02/19/1991US4994480 Protecting plants, industrial materials
02/19/1991CA1280434C Multifunctional epoxide resins
02/16/1991CA2020409A1 Process for preparing 3-hydroxy 2-keto acids
02/14/1991DE4024364A1 Verfahren zur herstellung von kunststoffen aus rohen fetten und oelen Process for the manufacture of plastics raw fat and grease the
02/13/1991EP0412430A2 Novel highly reactive silicon containing epoxides
02/13/1991EP0412366A1 Process for the preparation of 2,5-dihydrofurans
02/13/1991EP0412359A1 Method for the preparation of epoxysulphonates
02/13/1991CA2023067A1 Substituted 1,2-naphthoquinone-2-diazide-4-sulfonic acids and processes for their preparation and use
02/12/1991US4992575 Process for the preparation of N,N'-dimethyl aromatic diamines, intermediates and products
02/12/1991US4992566 Recovery of tertiary butyl hydroperoxide and tertiary butyl alcohol
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