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JP5477557B2 |
Provided is an alcohol production method comprising the step of reducing an ester or a lactone with hydrogen to produce a corresponding alcohol without addition of a base compound by using, as a catalyst, a ruthenium complex represented ...
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JP5478510B2 |
Disclosed is a practical method for efficiently producing an alcohol compound by hydrogenating an aldehyde by using a homogeneous copper catalyst which is an easily-available low-cost metal species. Specifically disclosed is a method for...
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JP5480386B2 |
An object is to provide a process for providing hydrogen or heavy hydrogens conveniently without the necessity of large-scale equipment and a process capable of performing hydrogenation (protiation, deuteration or tritiation) reaction co...
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JP5481037B2 |
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JP5482200B2 |
Disclosed is a method for highly efficiently obtaining an optically active alcohol from a carbonyl compound highly enantioselectively. Also disclosed is a ligand used in such a method. Specifically, an optically active alcohol is obtaine...
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JP5469607B2 |
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JP5466152B2 |
The present application is directed to i) a method for synthesizing aminophosphine (P,N) and phosphine-aminophosphine (P,N,P) ligands, ii) the use of such ligands in the preparation of metal complexes as hydrogenation catalysts, and iii)...
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JP5468221B2 |
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JP5460328B2 |
The present invention relates to processes for the reduction by hydrogenation, using molecular H2, of a substrate containing one or two esters, or lactones, functional groups into the corresponding alcohol, or diol, with the process bein...
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JP5451209B2 |
Esters and lactones can be respectively reduced to alcohols and diols in the presence of the Group 8 (VIII) transition metal complex, base and hydrogen gas (H 2 ). An extremely practical reduction method can be provided by preferable com...
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JP5447883B2 |
The present invention relates to a process for preparing phenylalkan-1-ols in three stages, where an ester condensation in the presence of alkali metal or alkaline earth metal alcoholates is carried out in the first stage.
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JP5448628B2 |
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JP5442612B2 |
A method for the preparation of cyclopropyl carbinols by cyclopropanation of unsaturated alcoholates, utilizing a reagent system selected from (A) magnesium metal and dibromomethane, and (B) dibromomethane and a tertiary Grignard reagent...
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JP2014040457A |
To provide a method of high efficiency and high enantioselectivity for manufacturing an optically active alcohol from a carbonyl compound, and to provide a ligand used therefor.An optically active alcohol is obtained by reacting a carbon...
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JP5429706B2 |
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JP5428341B2 |
[Problem] To provide an organoboron compound-containing reagent for organic synthesis reactions which undergoes no trimerization with dehydration, does not necessitate activation with a base, and is stable and highly active. [Means for S...
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JP5417560B2 |
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JP2014024852A |
To prepare aliphatic diol(s) from an olefinically-unsaturated aliphatic aldehyde.A process of preparing aliphatic diol(s) comprises: (a) contacting an olefinically-unsaturated aliphatic aldehyde with carbon monoxide and hydrogen in the p...
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JP5404599B2 |
The present invention relates to the use of Ruthenium complexes having cyclopentadienyl derivatives and a diene as ligands, together with some acidic additives for improving the selectivity in the 1,4-hydrogenation of conjugated dienes i...
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JP5392217B2 |
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JP5392623B2 |
The invention relates to a process of reacting a primary allylic alcohol with a compound containing a) a metal selected from the group consisting of Ag, Au, Ce, Mn, Ni, Ru, Re, Zn and Co preferably Ag and b) an oxidant like TEMPO (2,2',6...
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JP5394258B2 |
The present invention relates to a process for lithium exchange reactions comprising mixing at least two fluids in a microreactor having at least two injection points.
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JP5388570B2 |
The present invention relates to the field of catalytic hydrogenation and, more particularly, to the use of Ru complexes with bidentate ligands, having one amino or imino coordinating group and one phosphino coordinating group, in hydrog...
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JP5388569B2 |
The present invention relates to the field of catalytic hydrogenation and, more particularly, to the use of Ru complexes with bidentate ligands, having one amino or imino coordinating group and one phosphino coordinating group, in hydrog...
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JP5389164B2 |
The invention relates to a novel class of ruthenium complexes containing phosphine and hybrid amine ligands, their preparation and use as catalysts in the reduction of simple ketones to alcohols by molecular hydrogenation. The reactivity...
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JP5379523B2 |
To provide a method for producing a cyclohexyl alkanol which can impart the floral fragrance having creamy sweetness possessed by natural flowers and much includes a cis-form isomer and a perfume composition containing the cyclohexyl alk...
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JP5372556B2 |
To provide a method for highly stereoselectively producing a homoallyl compound in a high yield by an optically active α-addition-type allylation reaction. The α-addition-type allylated compound is stereoselectively produced by a catal...
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JP5371031B2 |
To provide a new hydride metal complex having a catalytic action to hydrogenate a substrate. The hydride metal complex is represented by formula (4) or formula (6). The metal complex is reversibly changed to a lower atomic valence metal ...
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JP5362571B2 |
Disclosed is a method for producing a polyvalent aralkyl alcohol by hydrolyzing an aralkyl halide having two or more haloalkyl groups. The aralkyl alcohol is produced by: mixing an aralkyl halide with a high-temperature/high-pressure wat...
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JP5361715B2 |
This invention relates generally to olefin metathesis, and more particularly relates to the ring-opening, ring insertion cross-metathesis of cyclic olefins with internal olefins such as seed oils and the like. In one embodiment, a method...
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JP5358566B2 |
Methods of preparing cinacalcet, cinacalcet derivatives, and salts thereof is disclosed herein. Also disclosed herein are polymorphs of cinacalcet, compositions of cinacalcet, and methods of treating a subject by administering cinacalcet...
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JP5360722B2 |
To provide a reaction method of selectively producing an internal ring-opened product (a primary homo homoallyl alcohol such as 2-phenylpent-4-en-1-ol) by a ring opening reaction of an epoxide. An internal ring-opened product 3 is select...
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JP5350790B2 |
A process for the preparation of a compound of formula (I), the process comprising: (i) the reaction of a compound of formula (III), with a compound of formula (IV) to give a compound of formula (II), and (ii) the reaction of the compoun...
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JP2013234146A |
To provide a method for producing an aromatic alcohol, having an excellent characteristic, capable of suppressing the elevation rate of pressure difference of a filter for separating a catalyst and thereby performing continuous reaction ...
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JP5345270B2 |
Catalysts of formula [Ru(L)m(L')wXY] (II) wherein X and Y represent simultaneously or independently a hydrogen or halogen atom, a hydroxy group, or an alkoxy, carboxyl or other anionic radical, m is 1 or 2, w is 1 when m is 1 and w is 0 ...
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JP5349930B2 |
To provide an apparatus and a method for carrying out an oxidation treatment of toluene, which is first excellent in reaction efficiency and second, simply and easily achievable. The apparatus 2 and the method of carrying out an oxidatio...
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JP5331305B2 |
A hydrogenation promoter of the present invention is produced by reacting an alkyne compound or an alkene compound, a palladium compound represented by a general formula Pd(II)XjLk (where L represents a monodentate ligand or a polydendat...
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JP5326293B2 |
A process for producing 4-methyl-2,3,5,6-tetrafluorobenzyl alcohol comprising the following steps (A) to (D): Step (A): a step for fluorinating 2,3,5,6-tetrachloroterephthaloyl dichloride to obtain tetrafluoroterephthaloyl difluoride, St...
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JP5324082B2 |
To provide a method of preparing a 9,9-bis(carboxyaryl)fluorene and its ester at a high yield. The 9,9-bis(carboxyaryl)fluorene is prepared by causing a compound represented by formula (1) to react with carbon monoxide in the presence of...
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JP5315866B2 |
To provide a method for producing high-quality triphenylmethyl mercaptan from triphenylmethyl chloride easily, also safely and in a high yield, and high-quality triphenylmethyl mercaptan to be obtained by this. The method for producing t...
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JP5317939B2 |
To provide a method for producing an alcohol compound having a cyclic hydrocarbon, in which method a hydrogenated boron compound such as sodium borohydride is used; reaction is carried out in the presence of methanol; and reduction react...
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JP5301162B2 |
A process for the cyclopropanation of a substituted alkene, comprising the reaction of the alkene with a carbenoide, generated from dibromomethane and a tri-(C2-C8)-alkyl aluminium compound, in the presence of a catalytic amount of a met...
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JP2013536216A |
The present invention is directed to a process for the manufacture of 3,7-dimethyl-l-octen-3-ol comprising the following steps: a) hydrogenation of 6-methyl-5-hepten-2-on to 6-methyl-2-heptanon in the presence of hydrogen and a palladium...
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JP5295218B2 |
The present invention relates to the use of Ru complexes, having a pentamethyl-cyclopentadienyl and a cyclooctadine as ligands, together with some acidic additives for improving the selectivity in the 1,4-hydrogenation of sorbol into the...
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JP5292826B2 |
Disclosed is a mixture of fluoroalkyl alcohols represented by the general formulae: CF 3 (CF 2 ) n (CH=CF) a (CF 2 CF 2 ) b (CH 2 CH 2 )OH [Ia] and CF 3 (CF 2 ) n-1 (CF=CH) a CF 2 (CF 2 CF 2 ) b (CH 2 CH 2) OH [Ib], wherein n is an integ...
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JP5278937B2 |
To provide a method for producing an optically active secondary alcohol useful as a raw material compound for medicines and agrochemicals, a raw material for producing functional material compounds, and the like in high optical purity by...
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JP5279077B2 |
It is intended to provide a method of rapid methylation of an aromatic compound or an alkenyl compound, which is capable of obtaining an aromatic compound or an alkenyl compound labeled with a methyl group or a fluoromethyl group under a...
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JP5283931B2 |
To provide a method for manufacturing alcohols from an ester or a lactone in a high yield with high catalyst efficiency using a readily synthesizable catalyst under a relatively mild condition. An ester or a lactone is subjected to hydro...
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JP2013533742A |
An alcohol fermentation process and composition that includes production of alcohol esters by esterification of product alcohol in a fermentation medium with a carboxylic acid (e.g., fatty acid) and a catalyst (e.g., lipase) capable of e...
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JP5269084B2 |
The present invention concerns a process for the preparation of a compound of formula (I) wherein the dotted line is a single bond and n is 1 or the dotted line is a double bond and n is 0, and wherein the relative configuration is as sh...
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