Kuraray Co., Ltd.

Kurarayco., Ltd.

Naoya Minamoto

Takuo Tsuruta

Yusuke Murata

Ryosuke Shimizu

Katsuji Ujita

Toshihiro Omatsu

Yuusuke Saitou

Takahiro Hosono

Mitsumasa Kaneko

The present invention relates to a method for producing a hydrocarbon, including a step (Y) of converting a reaction product of at least one sulfur compound selected from the group consisting of hydrogen sulfide and a compound containing a &#x2014;SH group which are contained in a hydrocarbon with an &#x3b1;,&#x3b2;-unsaturated aldehyde compound into a water-soluble compound in the presence of water, and a step (Z) of separating oil and water.

Method for hydrocarbon production, purification method, and purifier

Provided is a composition for removing a sulfur-containing compound contained in at least one of a liquid and gas, the sulfur-containing compound being at least one selected from the group consisting of hydrogen sulfide and an &#x2014;SH group-containing compound, the composition containing an aldehyde and an amine whose conjugate acid has a pKa value of 11.3 or higher in water at 25&#xb0; C.

Composition for removing sulfur-containing compounds

A method for producing a 1-acyloxy-2-methyl-2-propene represented by the following general formula (II), including reacting a carboxylic acid represented by the following general formula (I), isobutylene, and oxygen, in the presence of a catalyst, in a liquid phase, with an amount of the isobutylene used of more than 1 mol and 50 mol or less per 1 mol of the carboxylic acid. 

Method for producing 1-acyloxy-2-methyl-2-propene

A method for producing a 1,3-bisacyloxy-2-methylenepropane represented by the following general formula (II), including reacting a carboxylic acid represented by the following general formula (I), isobutylene, and oxygen, in a liquid phase, in the presence of a catalyst containing a carrier having carried thereon palladium and a transition metal of Group 11 in the periodic table, and a catalyst activator. 

Method for producing 1,3-bisacyloxy-2-methylene propane

A method of producing a bis-acyloxylated exomethylene compound represented by general formula (III), including reacting a monoacyloxylated exomethylene compound represented by general formula (I), a carboxylic acid represented by general formula (II), and oxygen in a liquid phase in the presence of a catalyst and optionally a solvent: 

Method for producing bis-acyloxylated exomethylene compound

A method of producing 1,5-pentanedial having an alkyl group at the 3-position, including a step of hydroformylating an aldehyde compound represented by the following general formula (1): wherein Rrepresents an alkyl group having from 1 to 6 carbon atoms.

Method of producing dialdehyde compound

Provided are a method for producing 3-methylglutaraldehyde in a good yield under a mild condition and a novel acetal compound which is useful for carrying out the foregoing method. The method is a production method of 3-methylglutaraldehyde including a step of hydrolyzing a compound represented by the following general formula (1): wherein Rand Reach independently represent an alkyl group having 1 to 6 carbon atoms, or are mutually coupled to represent an alkylene group having 2 to 6 carbon atoms.

Growing community of inventors

Kamisu, Japan

Naoya Minamoto