| Patents for C07C 269 - Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups the nitrogen atom not being part of nitro or nitroso groups (4,512) |
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| 08/25/1993 | CN1075475A Preparation of urethane and carbonate products cross reference to related application |
| 08/21/1993 | CA2089923A1 Production of unsaturated carbamic acid derivative |
| 08/19/1993 | WO1993016058A1 Novel acid anhydrides and preparation and use thereof |
| 08/19/1993 | CA2076951A1 Preparation of urethane and carbonate products |
| 08/11/1993 | EP0554844A2 Process for the preparation of esters of omega (O-substituted urethane)alkylcarboxylic acids |
| 08/03/1993 | US5233077 Carbon catlyzed decomposition of dimethyl ethylidene dicarbamate |
| 07/27/1993 | US5231116 Hydrophilic urethane prepolymer composition |
| 07/14/1993 | EP0550788A1 Substituted valinamide derivatives |
| 07/08/1993 | DE4221495C1 Prodn. of ester cpds. contg. carbamate gps. - by esterifying corresp. alcohol with acid anhydride using basic catalyst, useful in chemical and pharmaceutical industry |
| 06/29/1993 | US5223638 Reacting primary or secondary amine with carbon dioxide in presence of strong amidine or guanidine base to form ammonium carbamate salt, reacting in polar aprotic solvent with primary or secondary hydrocarbyl halide |
| 06/23/1993 | EP0547444A1 Process for the preparation of high-purity aromatic di- and/or polyurethanes |
| 06/17/1993 | CA2085284A1 A process for the preparation of highly pure aromatic diurethanes and/or polyurethanes |
| 06/16/1993 | CN1073167A Process for preparation of halopropargyl carbamates |
| 06/15/1993 | US5220061 Slowyly mixing n,n dialkyl-n-phenylurea and methylene bis/ alkyl carbamate/ with acid catalyst; heating |
| 05/25/1993 | CA1318324C Method for producing aliphatic o-arylurethanes |
| 05/19/1993 | EP0541946A1 Process for diastereo selective reductive pinacol-coupling of homochiral alpha-aminoaldehydes |
| 05/12/1993 | CN1071912A Cytotoxic bicyclo (7,3,1) tridec-4-ene-2,6-diyne compounds and process for preparation thereof |
| 05/11/1993 | US5210274 Reaction of unsaturated isocyanate and fluoroalcohol, monomers for addition polymerization |
| 05/11/1993 | US5210273 Alkylation reaction with a dialkyl carbonate in the presence of an alkali or alkaline earth metal carbonate and phase transfer catalyst |
| 05/11/1993 | US5210271 Antiarrhythmia agents |
| 05/11/1993 | US5210084 Fungicidal substituted amino acid amides |
| 05/04/1993 | US5208351 Process for the preparation of n-cyanoimidocarbonates |
| 04/28/1993 | EP0539092A1 Process for preparation of halopropargyl carbamates |
| 04/28/1993 | EP0538898A2 Cytotoxic bicyclo (7.3.1)-tridec-4-ene-2,6-diyne compounds and process for the preparation thereof |
| 04/28/1993 | EP0538291A1 Intermediate used for the preparation of deferoxamine. |
| 04/27/1993 | US5206412 Reacting alkylphenylcarbamate with methylene bis(alkyl carbamate); acid catlayst |
| 04/26/1993 | CA2081007A1 Cytotoxic bicyclo¬7.3.1|tridec-4-ene-2, 6-diyne compounds and process for the preparation thereof |
| 04/25/1993 | CA2080540A1 Process for preparation of halopropargyl carbamates |
| 04/21/1993 | EP0537534A1 Process for the preparation of N-(hydroxyalkyl)-carbamid acid alkyl esters |
| 04/15/1993 | WO1993007116A1 Fungicides |
| 04/13/1993 | US5202001 Evaporation using inert gas as sweeping gas |
| 04/08/1993 | CA2079953A1 Process for the diastereoselective reductive pinacol coupling of homochiral o-aminoaldehydes |
| 04/06/1993 | US5200551 Method of preparing an intermediate for the manufacture of bambuterol |
| 04/06/1993 | US5200547 Preparation of urethane and carbonate products |
| 03/30/1993 | US5198560 Cytotoxic bicyclo[7.3.1]tridec-4-ene-2,6-diyne compounds and process for the preparation thereof |
| 03/24/1993 | EP0533278A1 N-substituted carbamates and their use as gasoline additives |
| 03/23/1993 | US5196441 Compounds useful as antimicrobial agents |
| 03/21/1993 | CA2078633A1 N-substituted carbamates and their use as gasoline additives |
| 03/16/1993 | US5194660 Processes for producing carbamates and isocyanates |
| 03/10/1993 | EP0530469A1 Process for the preparation of organic compounds carrying tert.-butoxycarbonyl groups |
| 03/10/1993 | EP0530286A1 Process for the stereoselective preparation of phenylisoserin derivatives. |
| 03/10/1993 | EP0530285A1 Process for the enantioselective preparation of phenylisoserin derivatives. |
| 03/04/1993 | WO1993004038A1 Process for the preparation of beta-phenylisoserine derivatives and use thereof |
| 03/04/1993 | CA2113827A1 .beta.-phenyl isoserine derivatives, their preparation and use |
| 03/03/1993 | EP0529483A2 Process for the preparation of optically active 4-amino-3-hydroxycarboxylic acids |
| 03/02/1993 | US5191104 Alkoxylation of carboxylated compounds |
| 02/24/1993 | EP0528729A1 Process for the preparation of beta-phenylisoserine derivatives and their utilisation |
| 02/23/1993 | US5189197 Reacting an alkali metal salt of a benzamide with a carbonate |
| 02/16/1993 | US5187306 Process for producing unsaturated carbamic acid esters |
| 02/02/1993 | US5183927 Iodinating an alkynyl carbamate with iodine monochloride |
| 01/27/1993 | CN1068333A Pharmacologically active hydrazine derivatives and processes for preparation thereof |
| 01/21/1993 | DE4122911A1 Prepn. of aminoacid derivs. with four chiral centres |
| 01/21/1993 | DE4122885A1 Prodn. of 1,4-di:amino-2,3-butane-diol derivs. - by diastereoselective reductive coupling of homo-chiral alpha-amino:aldehyde(s) |
| 01/20/1993 | EP0523619A2 Process for the preparation of N-cyanimidocarbonates |
| 01/20/1993 | EP0523248A1 PROCESS FOR PRODUCING $g(a)-AMINO-$g(b),$g(d)-DIOL DERIVATIVE |
| 01/12/1993 | US5179223 Process for producing carbamates from oximes |
| 01/07/1993 | EP0521827A1 Pharmacological active hydrazin derivatives and process for their preparation |
| 01/06/1993 | CN1067649A Preparation of dialkyl (n-cyanoimido) carbonates |
| 01/05/1993 | US5176914 Fungicidal carbocyclic anilide carbamates |
| 12/30/1992 | EP0520377A2 A process for the selective preparation of 4,4-methylene-bis-(N-phenylalkylcarbamate) |
| 12/30/1992 | EP0520273A2 Process for the preparation of bis(ethoxycarbonylamino) toluols and their use in the preparation of diisocyanato toluols |
| 12/30/1992 | EP0520210A2 Process for the preparation of oligomer polyisocyanates and their use |
| 12/28/1992 | CA2072034A1 Process for the preparation of bis-(ethoxycarbonylamino) toluenes and for the preparation of diisocyanatotoluenes therefrom |
| 12/23/1992 | EP0519868A2 Preparation of dialkyl (N-cyanoimido)carbonates |
| 12/20/1992 | CA2071385A1 Preparation of dialkyl(n-cyanoimido)carbonates |
| 12/01/1992 | US5167670 Fuel compositions |
| 11/24/1992 | US5166414 Reacting a formamide or amine compound with dimethyl carbonate using an alkali catalyst; thermal decomposition of the resulting urethane compound |
| 11/19/1992 | EP0513541A2 Process for the preparation of iodoalkynyl carbamates |
| 11/12/1992 | WO1992019623A1 Highly reactive form of copper and reagents thereof |
| 11/10/1992 | US5162575 Reacting organic base with halogenated amide in solvent |
| 11/04/1992 | EP0511948A2 Preparation of urethane and carbonate products |
| 10/31/1992 | CA2065191A1 Process for the preparation of aromatic amines and the use of the amines so produced |
| 10/28/1992 | EP0510459A2 Process for the preparation of poly(o-alkylurethanes) of the diphenyl methane series |
| 10/27/1992 | US5158962 Fungicidal substituted amino acid amides |
| 10/24/1992 | CA2066480A1 Process for the production of poly(o-alkylurethanes) of the diphenyl methane series |
| 10/20/1992 | US5157143 Diastereoselective process for the preparation of intermediates useful for the synthesis of peptide derivatives |
| 10/17/1992 | CA2066096A1 Process for the preparation of iodoalkynyl carbamates |
| 10/15/1992 | WO1992017442A1 Process for the preparation of isocyanates and carbamates using a silver salt promoted hofmann rearrangement |
| 10/14/1992 | EP0508296A1 Process for the preparation of phosphorus containing L-amino acids, their derivatives and intermediates for this process |
| 10/13/1992 | US5155267 Forming unsymmetric carbamates and ureas; reacting primary formamide with dialkyl amine or alcohol |
| 09/22/1992 | US5149860 Carbamate derivatives |
| 09/16/1992 | EP0503561A2 Method for the diastereoselective reductive pinacol coupling of homochiral alpha aminoaldehydes |
| 09/16/1992 | CA2063013A1 Process for the diastereoselective reductive pinacol coupling of homochiral -aminoaldehydes |
| 09/15/1992 | US5147929 In presence of 2,3,6-mesitylene-1-sulfonyl-3-nitro-1,2,4-triazolide |
| 09/08/1992 | CA1307289C2 Peptidylaminodiols |
| 08/25/1992 | US5141956 Pesticidal composition |
| 08/12/1992 | EP0498509A2 Method of preparation of amino acid esters |
| 08/06/1992 | WO1992013827A1 PROCESS FOR PRODUCING α-AMINO-β,δ-DIOL DERIVATIVE |
| 08/06/1992 | CA2079779A1 Method for preparing .alpha.-amino-.beta., .delta.-diol derivatives |
| 07/29/1992 | EP0496595A1 Aniline derivatives and process for producing the same |
| 07/29/1992 | EP0496347A2 Methods of preparing fluorobenzene derivatives and related compounds |
| 07/29/1992 | CN1017619B Substituted amine derivatives prodn. and use |
| 07/21/1992 | US5132335 Acrylic and methacrylic esters of substituted 1,2-bis(phenoxy)-3,3,4,4,5,5-hexafluoro-1-cyclopentenes |
| 07/14/1992 | US5130464 Reaction of aromatic nitro and amine with carbon monoxide in the presence of a catalyst |
| 07/14/1992 | US5130457 Process for the preparation of n,n-disubstituted mono- and oligourethanes |
| 07/01/1992 | EP0493087A1 Process for the crystallisation of N-t-butyloxycarbonyl-3-cyclohexyl-L-alanine methyl ester |
| 06/30/1992 | US5126476 Reaction of aromatic compound with alkylenebis(alkyl carbamate) in presence of acid catalyst and polar aprotic solv ent |
| 06/25/1992 | WO1992010467A1 Method for obtaining of n-phenylcarbamic acid esters |
| 06/16/1992 | CA1303623C Preparation of cyclohexyl mono- and diurethanes and isocyanates derivedtherefrom by addition of methylcarbamates to limonene, process and compositions |
| 05/27/1992 | EP0486948A2 Retroviral protease inhibiting compounds |