申请人:Ishii Yasutaka
公开号:US20070197806A1
公开(公告)日:2007-08-23
A carbonyl compound represented by following Formula (1):
wherein R
1
represents hydrogen atom or an organic group; and R
2
represents hydrogen atom or an organic group having a carbon atom at a bonding site with the carbonyl group in Formula (1), wherein R
1
and R
2
may be combined to form a ring with adjacent two carbon atoms, or an equivalent thereof is reacted with an unsaturated compound represented by following Formula (2):
wherein each of R
3
, R
4
, and R
5
represents hydrogen atom, a halogen atom, hydroxyl group, or an organic group and wherein R
3
and R
4
may be combined to form a ring with adjacent two carbon atoms, or a precursor thereof, to yield a furan compound represented by following Formula (3):
wherein R
3
′ represents R
3
, R
5
or hydrogen atom; and R
1
, R
2
, R
3
, R
4
, are R
5
are as defined above.
以以下公式(1)表示的一个羰基化合物:
其中R1代表氢原子或一个有机基团;R2代表氢原子或一个有机基团,在公式(1)中与羰基团在键合位点上有一个碳原子,其中R1和R2可以结合形成与相邻两个碳原子的环,或其等效物与以下公式(2)表示的不饱和化合物发生反应:
其中每个R3、R4和R5代表氢原子、卤素原子、羟基或一个有机基团,其中R3和R4可以结合形成与相邻两个碳原子的环,或其前体,以产生以下公式(3)表示的呋喃化合物:
其中R3'代表R3、R5或氢原子;而R1、R2、R3、R4和R5如上定义。