| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To obtain a new lactone compound and to provide a method for efficiently producing a lactone compound by a simple means. <P>SOLUTION: The lactone compound is represented by formula (1) (R<SP>a</SP>, R<SP>a</SP>', R<SP>b</SP>and R<SP>b</SP>' are the same or different and are each a hydrogen atom, a halogen atom, a hydrocarbon group which may contain a substituent group, a heterocyclic group which may contain a substituent group, a carboxy group, a substituted oxycarbonyl group, a substituted or nonsubstituted carbamoyl group, a cyano group, an acyl group, a nitro group, a sulfur acid group, a sulfur acid ester group, a hydroxy group, a substituted oxy group, a mercapto group, a substituted thio group or a substituted or nonsubstituted amino group; the carboxy group, the sulfur acid group, the hydroxy group and the mercapto group each may be protected with a protecting group; R<SP>a</SP>and R<SP>b</SP>and R<SP>a</SP>' and R<SP>b</SP>' may be mutually bonded with an adjacent carbon atom, respectively to form a ring). <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
