Mitsubishi Chemical Industries Limited

Mitsubishi Kasei Corporation

Mitsubishi Chemical Corporation

Naoshi Imaki

Yuki Takuma

Yoshiharu Morita

Tadashi Shirasaka

Hisao Takayanagi

Tetsuro Shimpuku

Takemi Nakanome

Mari Oishi

Isao Kawakami

Hidehiko Ohara

Koshi Sasaki

Yasuo Tanabe

Tetsumi Suzuki

Takao Uchiyama

Yoko Misu

Junzo Haji

Yoshiko Fukumoto

Sinichiro Nakamura

Eri Hosono

Masato Aiura

A process for producing a surface-modified molded product of synthetic resin, which comprises contacting a fluorine-containing gas to the surface of a molded product of synthetic resin and then contacting a polymerizable monomer to form a new polymer layer on the surface of the molded product.

Surface-modified molded product of synthetic resin and process for

A fluorine-containing, polyolefin fiber non-woven fabric having enhanced resistance to degradation when exposed to a potassium hydride solution is produced by exposing a polyolefin fiber non-woven fabric to a gaseous atmosphere comprising F.sub.2 and O.sub.2 gases in certain volumetric ratios.

Fluorine-containing polyolefin non-woven fabric and method of

An agent for capturing metal ions, which consists essentially of a cyclic inulooligosaccharide having from 6 to 8 molecules of fructose bonded by .beta.-2,1 bonds to form a cyclic structure, wherein hydroxyl groups may all or partially be alkylated.

Method for capturing metal ions

3,4-Dihydroxytetrahydrofuran carbonate of the structural formula: ##STR1## and a Process for the Production thereof.

3,4-dihydroxytetrahydrofuran carbonate

A process for preparing cotarnine is provided which comprises oxidizing the amino group of a tetrahydroisoquinoline compound represented by the following formula (I): ##STR1## to convert said compound into a dihydroisoquinolinium salt represented by the following formula (II): ##STR2## wherein A.sup.- represents an anion, and then hydrolyzing said dihydroisoquinolinium salt.

Process for preparing cotarnine

A tetrahydrofuran derivative of the formula: ##STR1## wherein each of R.sub.1 and R.sub.2 is an alkyl group having from 1 to 20 carbon atoms, and the two alkoxy groups OR.sub.1 and OR.sub.2 take a cis form to the plane of the tetrahydrofuran ring.

Tetrahydrofuran derivatives and process for their production

A method for producing a 2,4-dihydroxyquinoline derivative of the formula: ##STR1## wherein each of R.sup.1, R.sup.2, R.sup.3 and R.sup.4 is a hydrogen atom, a lower alkyl group, a lower alkoxy group or a halogen atom, and its tautomer, which comprises cyclizing an aryl malonic acid amide ester derivative of the formula: ##STR2## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are as defined above, and R.sup.5 is a lower alkyl group, by means of polyphosphoric acid.

Method for producing 2,4-dihydroxyquinoline derivatives

There is provided a novel benzylamine derivative of the formula I: ##STR1## wherein R.sup.1 represents a hydrogen atom or a methyl group, X represents a hydrogen atom, a methyl group or a tosyl group, and Y represents a hydrogen atom, a methyl group or ##STR2## in which R.sup.2 and R.sup.3 being identical or different from each other represent independently a lower alkyl group.

Benzylamine derivative

A tetrahydroisoquinoline derivative represented by formula: ##STR1## wherein R.sup.1 represents hydrogen or methyl and X.sup.1, X.sup.2, Y.sup.1 and Y.sup.2 are defined as follows:

Certain 6,7-methylene dioxydihydro or tetrahydro-isoquinoline derivatives

There is provided a novel anisole derivative represented by the following formula (I): ##STR1## wherein A to D are defined as follows: (1) A, B and C are each a hydrogen atom, and D represents --OH, a halogen atom, --CO.sub.2 R.sup.1 of which R.sup.1 represents a lower alkyl group, --SO.sub.2 R.sup.2 of which R.sup.2 represents a lower alkyl group, or ##STR2## or (2) A and C are each a hydrogen atom, B is --OH, and D represents --CO.sub.2 R.sup.3 of which R.sup.3 represents a lower alkyl group; or

Anisole derivatives

A method for producing monosilane and a tetraalkoxysilane by disproportionation of an alkoxysilane, which comprises contacting an alkoxysilane having the formula:

Method for producing monosilane and a tetraalkoxysilane

A process for preparing 2,2-dimethyl-2,3-dihydro-7-hydroxybenzofuran, which comprises

Process for preparing 2,2-dimethyl-2,3-dihydro-7-hydroxybenzofuran

A method for the partial hydrogenation of conjugated dienes, characterized in that a chain conjugated diene in which the conjugated two double bonds have different numbers of substituents, is hydrogenated at a temperature of not higher than 50.degree. C. in the presence of a catalyst composed essentially of (1) a cobalt compound, (2) an organophosphine compound and (3) an aluminum compound, to obtain a partially hydrogenated product wherein as between said conjugated two double bonds, the one having a greater number of substituents is selectively hydrogenated.

Method for the partial hydrogenation of conjugated dienes

A 2,2-dihalo-6-halo-6-(1-haloisobutyl)cyclohexanone represented by the general formula ##STR1## where each of X.sup.1, X.sup.2, X.sup.3 and X.sup.4 is a halogen atom.

2,2-Dihalo-6-halo-6-(1-haloisobutyl)cyclohexanone

This invention relates to an improved process for producing certain phosphinic acid derivatives of aminothio methyl carbamate by reacting N-(halothio)phosphinic acid amide and a carbamate compound in the presence of a cupric catalyst in high yields. These compounds are known to be useful as insecticides.

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Atsugi, Japan

Naoshi Imaki