| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a new compound of which Δn shows a reverse wavelength dispersion. <P>SOLUTION: This compound is expressed by general formula (I) [wherein, A<SP>1</SP>, A<SP>2</SP>are each independently a group comprising -S- or the like; Z is C or the like and forms a 5- or 6-membered ring together with C-C=C-C or C=C-C=C described in the formula; R<SP>1</SP>or the like is a substituent; (m) is an integer of 0 to 4; L<SP>1</SP>, L<SP>2</SP>are each a single bond or a divalent linking group; B<SP>1</SP>, B<SP>2</SP>are each the group selected from the group consisting of -NR-, -CO-, =CR- and the like; and Y is C or the like and forms a 5- to 7-membered ring together with B<SP>1</SP>-C-B<SP>2</SP>]. <P>COPYRIGHT: (C)2009,JPO&INPIT |
