Patents for C07B 49 - Grignard reactions (286) |
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10/02/2001 | US6296788 Process for the preparation of Grignard reagents and novel Grignard reagents |
09/13/2001 | WO2001066248A2 C-c and c-n coupling catalyst comprising transition metal and carbene |
08/15/2001 | CN1308643A Method for the stereoselective production of grignard compounds and use thereof |
07/25/2001 | EP1117668A1 Fluorous phosphines and process for their preparation |
07/19/2001 | WO2001051434A1 Reaction of carbonyl compounds with organometallic reagents |
07/19/2001 | DE10001317A1 Reaction of carbonyl compound with organometallic reagent, e.g. preparation of biotin intermediate or 4-(4-(trans-4-pentylcyclohexyl) -1-cyclohexen-1-yl)-1-trifluoromethoxybenzene, uses mini- or microreactor |
06/28/2001 | DE19960866A1 Production of Grignard compounds from organic halides and magnesium metal in a solvent uses a cocatalyst of a compound containing a Group 1, 2 or 13 metal bonded to a Group 14-17 element or hydrogen |
06/28/2001 | DE19960865A1 Increasing the rate of production of organometallic or inorganic magnesium compounds from magnesium metal in a solvent |
05/30/2001 | EP1102796A1 Method for the stereoselective production of grignard compounds and use thereof |
05/15/2001 | US6231783 Solvent systems having improved physical properties to minimize entry into the environment and to facilitate separations and cleaning operations to minimize pollution |
02/28/2001 | EP1077923A1 An improved synthesis and purification of (r*,r*)-2- (dimethylamino) methyl]-1-( 3-methoxyphenyl) cyclohexanol hydrochloride |
02/27/2001 | US6194599 Process for preparing biaryl compounds |
02/21/2001 | CN1284506A Prep. of Grignard reagent and new grignard reagent |
01/25/2001 | DE19933833A1 Verfahren zur Herstellung von Grignard-Reagenzien und neue Grignard-Reagenzien A process for the preparation of Grignard reagents and Grignard reagents new |
01/24/2001 | EP1070718A1 Method for Preparing Grignard Reagents and new Grignard Reagents |
01/24/2001 | EP1070070A1 Method for producing grignard compounds |
01/20/2001 | CA2314007A1 Process for the preparation of grignard reagents and novel grignard reagents |
01/16/2001 | US6175025 Reacting a metallocene dihalide with an aryl or benzyl magnesium halide or diarylphosphinomethylmagnesium halide under specified conditions to produce a di-substituted metallocene compound; low cost, high yield |
12/06/2000 | EP1056750A1 Synthesis agents containing benzyl magnesium halogenides or allyl magnesium halogenides and method for producing same |
12/05/2000 | US6156918 Process for the preparation of silanes, with a tertiary hydrocarbon group in the a-position relative to the silicon atom |
09/19/2000 | US6121480 Method for producing unsymmetrically substituted biphenyls |
05/23/2000 | US6066766 By reacting a 1-chloro-4-halo-benzene with an aryl grignard compound in the presence of a dicyclopentadienylphosphinopalladium catalyst of given formula |
04/25/2000 | US6054628 Reacting Grignard compounds with carbonyl compounds and ensuing hydrolysis |
04/06/2000 | WO2000018774A1 Fluorous phosphines and processes for their preparation |
03/01/2000 | CN1245807A Preparation method of silicane whose alpha-position related to silicon atom possesses tertiary alkyl radical |
02/24/2000 | DE19836408A1 New Grignard compounds useful for production of substance libraries and in chemical syntheses |
02/23/2000 | EP0980870A1 Process for preparing silanes substituted at position alpha of the silicon atom by a tertiary hydrocarbon group |
02/20/2000 | CA2279739A1 Process for the preparation of silanes with a tertiary hydrocarbon group in the a-position relative to the silicon atom |
02/17/2000 | DE19836470A1 Verfahren zur Herstellung von 4-Chlorbiphenylen A process for the preparation of 4-chlorobiphenyls |
02/16/2000 | EP0979809A1 Process for the preparation of 4-chlorobiphenylenes |
01/20/2000 | WO2000002928A1 Method for the stereoselective production of grignard compounds and use thereof |
01/20/2000 | CA2337043A1 Method for the stereoselective production of grignard compounds and use thereof |
01/13/2000 | DE19830599A1 Verfahren zur stereoselektiven Herstellung von Grignardverbindungen und deren Verwendung A process for the stereoselective preparation of Grignard compounds, and their use |
12/16/1999 | DE19837906C1 Preparation of organosilane derivatives |
12/02/1999 | WO1999061405A1 An improved synthesis and purification of (r*,r*)-2-[ (dimethylamino) methyl]-1-( 3-methoxyphenyl) cyclohexanol hydrochloride |
12/02/1999 | CA2330142A1 An improved synthesis and purification of (r*,r*)-2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)cyclohexanol hydrochloride |
10/21/1999 | DE19816414A1 New Grignard compounds useful for production of substance libraries and in chemical syntheses |
10/14/1999 | WO1999051609A1 Method for producing grignard compounds |
10/12/1999 | US5964919 Method of storing active zero valent zinc metal |
09/02/1999 | WO1999043684A1 Synthesis agents containing benzyl magnesium halogenides or allyl magnesium halogenides and method for producing same |
07/13/1999 | US5922898 Coupling arylmagnesium or -lithium reagent with aryl halide;catalysis with nickel or palladium catalyst and zinc or cadmium cocatalyst |
04/08/1999 | DE19808239C1 Organometallic compounds and Grignard reagents |
03/04/1999 | DE19808570C1 Synthesis reagent comprising benzyl-or allyl-magnesium halide |
12/22/1998 | US5852216 Preparation and use of (3-alkoxy-phenyl) magnesium chlorides |
12/16/1998 | EP0883603A1 Method for producing unsymmetrically substituted biphenyls |
05/27/1998 | CN1182731A Reading grignard compounds with carbonyl compounds and ensuring hydrolysis |
05/26/1998 | US5756653 Substituted polythiophenes from highly reactive zinc reagents |
04/29/1998 | EP0838450A2 Method for the reaction of Grignard compounds with carbonyl compounds and subsequent hydrolysis |
12/03/1997 | CN1166491A Preparation and use of (3-alkoxyphenyl) magnesium chlorides |
11/18/1997 | US5688985 Reacting n,n-dibenzylaminophenylalanine ester with acetonitrile in presence of an organometallic catalyst |
08/28/1997 | WO1997030970A1 Method for producing unsymmetrically substituted biphenyls |
08/28/1997 | CA2246354A1 Method for producing unsymmetrically substituted biphenyls |
08/20/1997 | EP0790251A2 Preparation and use of (3-alkoxyphenyl) magnesium chlorides |
05/22/1997 | WO1997018179A1 Replacement solvents for use in chemical synthesis |
04/24/1997 | DE19607135C1 Prodn. of asymmetric cyano-bi:phenyl cpds. |
04/17/1997 | DE19605778C1 High yield 3-alkoxy-phenyl-magnesium chloride prepn. used in alcohol prepn. |
12/03/1996 | US5581004 Preparation and use of (2-butene-1,4-diyl) magnesium complexes in organic synthesis |
09/04/1996 | EP0729941A1 Process for producing keto nitrile derivative and hexenone derivative |
03/12/1996 | US5498734 Preparation and use of (2-butene-1,4-diyl)magnesium complexes in organic synthesis |
02/22/1996 | DE4439003C1 Grignard reagents comprising benzyl-magnesium halide |
02/09/1995 | DE4326169A1 Improved process for the preparation of bisaryl compounds |
10/25/1994 | US5358546 Reacting a zinc compound with a reducting agent |
08/05/1993 | WO1993015086A1 Highly reactive forms of zinc and reagents thereof |
07/27/1993 | US5231205 Formation of silanes from magnesium salts and dienes |
04/01/1993 | WO1993006110A1 Preparation and use of (2-butene-1,4-diyl)magnesium complexes in organic synthesis |
01/21/1992 | US5082961 Method for the preparation of an alkynyl compound |
11/26/1991 | US5068403 Intermediates useful in the production of pesticides |
08/14/1991 | EP0440737A1 Preparation of biaryl compounds |
03/27/1991 | EP0419330A2 Method for the preparation of an alkynyl compound |
09/18/1990 | US4958033 Process for preparing alcohols |
05/03/1990 | WO1990004577A1 Preparation of biaryl compounds |
05/02/1990 | EP0366573A1 Preparation of biaryl compounds |
04/25/1990 | CA2000579A1 Preparation of biaryl compounds |
03/27/1990 | US4912276 Reacting an aryl halide to form a Grignard reagent; reacting with aryl chloride in presence of nickel catalyst |
07/06/1988 | EP0273528A1 Benzophenones and their preparation |
09/23/1987 | EP0238272A2 Intermediates useful in the production of pesticides |
03/04/1986 | CA1201443A1 PROCESS FOR PREPARING .alpha.-HYDROXY 2-THIOPHENE ACETIC ACID DERIVATIVES |
02/05/1986 | EP0170517A2 Process for the production of 1,2-amino alcohols |
09/26/1984 | EP0119701A1 Grignard syntheses |
07/11/1984 | EP0113107A2 Process for preparing alcohols |
05/17/1983 | US4384158 From 8-bromo-1-octyne and cis-3-octenylamagnesium chloride |
03/09/1983 | EP0073569A1 Process for the continuous production of alcohols |
01/27/1982 | EP0044558A1 Method for the preparation of alkyne-1 compounds |
12/08/1981 | US4304931 Biphenylhydroxypropionic acid derivatives |
02/20/1979 | CA1049027A1 Arylpropionic acids |
05/25/1976 | US3959364 Preparation of arylalkanoic acids |