Title:
【発明の名称】環状ケトンの製造方法
Document Type and Number:
Japanese Patent JPH10508601
Kind Code:
A
Abstract:
The present invention provides a novel process for preparing cyclic ketones, such as indanones, which comprises the steps of (a) subjecting a substituted ketone to suitable methylenation conditions in the presence of a methylene transfer agent and an acylating agent for a sufficient period of time and under suitable conditions of temperature and pressure to form the corresponding alpha, beta unsaturated ketone, and (b) subjecting said unsaturated ketone to suitable cyclization conditions in the presence of a suitable acid or base for a sufficient period of time and under suitable conditions of temperature and pressure to form said cyclic ketones.
Inventors:
Rosenberg, Gwen, H.
Application Number:
JP51534696A
Publication Date:
August 25, 1998
Filing Date:
October 25, 1995
Export Citation:
Assignee:
Hoechst Celanese Corporation
International Classes:
C07C45/67; C07C45/68; C07C49/623; (IPC1-7): C07C49/623; C07C45/67; C07C45/68
Attorney, Agent or Firm:
Kazuo Shamoto (5 outside)