Polyhydroxyalkanoate, method for production thereof and microorganisms for use in the same
申请人:CANON KABUSHIKI KAISHA
公开号:US20040067576A1
公开(公告)日:2004-04-08
A polyhydroxyalkanoate having a monomer unit composition represented by General Formula (1):
A
m
B
(1−m)
(1)
wherein A is represented by General Formula (2), B is at least one selected from the group consisting of monomer units represented by General Formula (3) or (4), and m has a value of 0.01 or larger and smaller than 1:
1
wherein
n has a value of 0 to 10, k has a value of 3 or 5, and
R is at least one group selected from the group consisting of groups represented by General Formulae (5) to (7):
2
in Formula (5)
R1 is a group selected from the group consisting of a hydrogen atom (H), halogen atoms, —CN, —NO
2
, —CF
3
, —C
2
F
5
. and —C
3
F
7
; and q is an integer selected from 1 to 8;
in Formula (6)
R2 is a group selected from the group consisting of a hydrogen atom (H), halogen atoms, —CN, —NO
2
, —CF
3
, —C
2
F
5
and —C
3
F
7
; and r is an integer selected from 1 to 8;
in Formula (7)
R3 is a group selected from the group consisting of a hydrogen atom (H), halogen atoms, —CN, —NO
2
, —CF
3
, —C
2
F
5
and —C
3
F
7
; and s is an integer selected from 1 to 8.
The efficient production methods are also provided.
一种聚羟基脂肪酸酯,其单体单元组成由通式(1)表示:AmB(1-m)(1)其中,A由通式(2)表示,B至少选自通式(3)或(4)表示的单体单元组成的群体,m的值大于或等于0.01且小于1:1。其中n的值为0到10,k的值为3或5,R至少选自通式(5)到(7)表示的群体中的一种:2在公式(5)中,R1选自氢原子(H)、卤素原子、—CN、—NO2、—CF3、—C2F5和—C3F7组成的群体,q为1到8之间的整数;在公式(6)中,R2选自氢原子(H)、卤素原子、—CN、—NO2、—CF3、—C2F5和—C3F7组成的群体,r为1到8之间的整数;在公式(7)中,R3选自氢原子(H)、卤素原子、—CN、—NO2、—CF3、—C2F5和—C3F7组成的群体,s为1到8之间的整数。同时还提供了高效的生产方法。