申请人:WANG Shu-zhong
公开号:US20070287856A1
公开(公告)日:2007-12-13
The present invention provides a process for producing compounds useful as raw materials for various fluororesins in high yields in few steps from inexpensive and readily available starting materials. The following compound (1) and the following compound (2) are reacted to form the following compound (3), then the compound (3) is fluorinated in a liquid phase to form the following compound (4), and the ester bonds in the compound (4) are dissociated to form the compound (5), or the compound (5) and the compound (6).
HOCH
2
-Q-O—(CH
2
)
3
—OH (1),
CR
B
COX (2),
R
B
COOCH
2
-Q-O—(CH
2
)
3
—OCOR
B
(3),
R
B
COOCF
2
-Q-O—(CF
2
)
3
—OCOR
BF
(4),
FCO-Q
F
-O—(CF
2
)
2
—COF (5),
R
BF
COF (6).
本发明提供了一种从廉价易得的起始材料中通过少量步骤高产率地生产用于各种氟树脂原料的化合物的方法。以下化合物(1)和以下化合物(2)反应形成以下化合物(3),然后将化合物(3)在液相中氟化形成以下化合物(4),并且化合物(4)中的酯键解离形成化合物(5),或化合物(5)和化合物(6)。
HOCH2-Q-O—(CH2)3—OH (1),
CRBCOX (2),
RBCOOCH2-Q-O—(CH2)3—OCORB(3),
RBCOOCF2-Q-O—(CF2)3—OCORBF(4),
FCO-QF-O—(CF2)2—COF (5),
RBFCOF (6)。