申请人:Matsunaga Tadafumi
公开号:US20110015059A1
公开(公告)日:2011-01-20
A compound represented by formula (1):
wherein Y
1
to Y
4
each independently represent any one of the following groups:
in which R
α
represents a hydrogen atom or a monovalent hydrocarbon group; P
1
to P
4
each independently represent a group of atoms necessary for forming a heterocyclic ring together with each of Y
1
to Y
4
and the two carbon atoms adjacent to each of Y
1
to Y
4
, respectively; P
5
and P
6
each independently represent a group of atoms necessary for forming a cyclic skeleton together with the carbon atom to which Z
1
bonds or Z
2
bonds and the two carbon atoms adjacent to the carbon atom to which Z
1
bonds or Z
2
bonds; P
1
and P
2
, P
2
and P
6
, P
6
and P
4
, P
4
and P
3
, P
3
and P
5
, and P
5
and P
1
may further combine with each other to form a ring; Q
1
and Q
2
each independently represent a connecting group or a direct binding; and Z
1
and Z
2
each independently represent any one of the following groups;
—NR
β
2
, —OR
β
, —SR
β
, —PR
β
2
in which R
β
represents a hydrogen atom or a monovalent hydrocarbon group, and when plural R
β
s are present, these plural R
β
s may be the same or different from each other.