公开(公告)号：JPS5387336A

公开(公告)日：1978-08-01

申请号：JP122377

申请日：1977-01-11

Applicant: UBE INDUSTRIES

Inventor： NAKAI MAMORU ,  KUROKI YOSHIAKI ,  MORI YOSHIKATSU ,  HAYASHI YURIO ,  INABA YUKIO ,  TAKESHITA MICHIO ,  MIYATAKE TAKASHI ,  SEKIYA JIROU ,  SATOU ISAO

IPC: C07C49/707 ,  B01J27/00 ,  B01J27/24 ,  C07B61/00 ,  C07C45/00 ,  C07C67/00

Abstract: PURPOSE:2,3-epoxy-3-alkylcyclopentanone is heated in the presence of an aqueous mineral acid of a specific concentration to produce title compound useful as a flavor bread, cake, beverages, and instant coffee in high yield.