Daiso Co., Ltd.

Keishi Takenaka

Yoshiro Furukawa

Kazuhiro Kitaori

Kimitaka Igi

Midori Masaki

A process for producing a &#x3b2;-hydroxyester by reacting an epoxide, an alcohol and carbon monoxide in the presence of a cobalt carbonyl compound as catalyst, which is characterized in using as co-catalyst, a pyridine derivative having an amino substituent of formula (1),  wherein Rand Rare independently hydrogen, formyl, acyl, alkoxycarbonyl, substituted or unsubstituted alkyl, substituted or unsubstituted aralkyl, substituted or unsubstituted aryl, or Rand Rmay be taken together with the adjacent nitrogen atom to form a ring, and n is an integer of 1 or 2.

Process for producing &#x3b2;-hydroxyester

Process of producing catechol derivatives

Process for preparation of glycidyl sulfonate derivative

Process for preparation of 1,4-benzodioxane derivative

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Amagasaki, Japan

Keishi Takenaka