| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a new fluorene compound having a light-emitting characteristic and charge transfer potential. <P>SOLUTION: The fluorene compound is obtained by reacting a compound expressed by formula (1A) or a coordinate compound thereof (e.g., boronic complex) with a boronic acid expressed by formula (1B) or an ester thereof in the presence of a transition metal catalyst, where in the formulae, X is a leaving group; R<SP POS="POST">1</SP>and R<SP POS="POST">3</SP>are each a hydrogen atom or a substituent; R<SP POS="POST">2</SP>is a substituent; R<SP POS="POST">4</SP>and R<SP POS="POST">5</SP>are each a bivalent aliphatic group or aromatic group; m is an integer of 0-3; q denotes 1 or 2; two R<SP POS="POST">1</SP>s may mutually bond to form a ring. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
