Sumitomo Chemical Company, Limited

Makoto Itagaki

Gohfu Suzukamo

Michio Yamamoto

Katsuhisa Masumoto

Ryo Minamida

Koji Hagiya

Kotohiro Nomura

Wataru Hirahata

Kouji Yoshikawa

Masashi Kamitamari

Kazuaki Sasaki

Masaru Ishino

Taku Asaumi

Kunihiko Fujita

Goufu Suzukamo

A diepoxy compound represented by the formula (1) wherein R, R, Rand Rindependently each represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms.

Diepoxy compound, process for producing same, and composition containing the diepoxy compound

A method for producing a purified formylcyclopropane compound represented by the formula (1) comprising (A) a step of reacting a crude formylcyclopropane compound represented by the formula (1):  

Method for producing purified formylcyclopropane compound and intermediate of such formylcyclopropane compound

It is provided to an optically active cycloalkylidenebisamidoalcohol compound represented by the formula (3):  

Method for producing optically active cycloalkylidenebisoxazoline compound and intermediate thereof

A process for production of a trans-2,2-dimethyl-3-formylcyclopropanecarboxylic acid ester comprising:

Process for production of trans-2, 2-dimethyl-3-formylcyclopropanecarboxylic acid ester

A process for producing an optically active cyclopropane compound represented by the formula (4): wherein R, R, Rand Rare the same or different, and represent a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, and so on; and Rrepresents a C1-6 alkyl group; and * represents an asymmetric carbon atom, wherein R, R, R, and Rare as described above, wherein Rrepresents a hydrogen atom, a C1-6 alkyl group, and so on; Rrepresents a C1-6 alkyl group and so on; and n represents an integer of 0 to 3; provided that, two Rs may be bonded each other together with the carbon atom to which they are bonded to form a ring; and * represents an asymmetric carbon atom,

Process for producing optically active cyclopropane compound and asymmetric copper complex for use in the same

A method for producing an optically active cyclopropanecarboxylate compound represented by the formula (5): wherein R, R, Rand Rrepresent a C1-C6 alkyl group or the like and Rrepresents a C1-C6 alkyl group,which comprises reacting an olefin represented by the formula (3): wherein R, R, Rand Rare as described above,with a diazoacetic acid ester represented by the formula (4):NCHCOR&#x2003;&#x2003;(4)wherein Ris as described above,in the presence of an asymmetric copper complex obtained by mixing 

Method for producing optically active cyclopropanecarboxylate compound

Optically active bisoxazoline compounds represented by the general formula (1), a process for producing the compounds, and a process for producing cyclopropanecarboxylic esters by using the same: wherein Rand Rare the same and each represents Calkyl, substituted or unsubstituted aralkyl, or substituted or unsubstituted phenyl or Rand Rare bonded each other together with the carbon atom of oxazoline ring to which they are bonded to form a ring; Ris substituted or unsubstituted naphthyl; Rand Rare the same and each represent hydrogen or Calkyl, or Rand Rare bonded each other together with the carbon atom to which they are bonded to form a cycloalkyl ring having 3 to 6 carbon atoms; and * represents an asymmetric center.

Optically active bisoxazoline compounds, process for production of the same and use thereof

A process for production of an optically active cyclopropanecarboxylate compound represented by the formula (5): wherein R, R, Rand Rrepresent a C1-C6 alkyl group or the like and Rrepresents a C1-C6 alkyl group,which comprises reacting an olefin represented by the formula (3): wherein R, R, Rand Rare as described above,with a diazoacetic acid ester represented by the formula (4):NCHCOR&#x2003;&#x2003;(4)wherein Ris as described above,in the presence of an asymmetric copper complex obtained by mixing (A) at least one monovalent or divalent copper compound, (B) at least one optically active bisoxazoline compound represented by the formula (1): wherein Rand Rrepresent a C1-C6 alkyl group or the like; Rrepresents a tert-butyl group or the like; and Rand Rare the same and represent C1-C3 alkyl groups or the like, and (C) at least one boron compound represented by the formula (2): wherein A represents a trityl group or the like, X represents a fluorine atom or the like, and n represents an integer of 1 to 5.

Process for production of optically active cyclopropanecarboxylate compound

It is provided that a method for producing an optically active bisamidoalcohol compound represented by the formula (3): wherein Rrepresents a C1-6 alkyl group, an optionally substituted phenyl group, an optionally substituted aralkyl group or a hydrogen atom, or two Rs, which are bonded to the same carbon atom, are bonded to form a ring together with the carbon atom to which they are bonded, wherein R, Rand * are as defined above,with a diester compound represented by the formula (2): wherein R, Rand m are as defined above and Rrepresents a C1-3 alkyl group,in the presence of a lithium compound.

Method for producing optically active bisamidoalcohol compound

The present invention relates to a method for producing 3-methyl-2-butenyl acetate which comprises reacting 3-methyl-2-buten-1-ol with acetic anhydride in the presence of an inorganic base catalyst and a method for producing purified 3-methyl-2-butenyl acetate which comprises subjecting crude 3-methyl-2-butenyl acetate to a step (A) of contacting it with an aqueous solution of an alkali metal hydrogen sulfite, or a step (B) of contacting it with an aqueous solution of a base, or both steps (A) and (B).

Processes for producing 3-methyl-2-butenyl acetate

There is provided an optically active copper catalyst composition comprising wherein Rand Rare the same or different, and independently represent a substituted or unsubstituted lower alkyl group, a substituted or unsubstituted aralkyl group, or a substituted or unsubstituted aryl group;

Optically active copper catalyst composition

There is disclosed an optically active salicylideneaminoalcohol compound of formula (1):wherein Rrepresents an alkyl group or the like, Rrepresents

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Katano, Japan

Makoto Itagaki