申请人:MARUZEN PETROCHEMICAL CO., LTD.
公开号:US20190263847A1
公开(公告)日:2019-08-29
Provided is a method for producing an alkenyl phosphorus compound which can produce an alkenyl phosphorus compound efficiently even with a smaller amount of a catalyst used than that used conventionally, and further which can maintain catalytic activity to produce an alkenyl phosphorus compound in high yield even at a larger reaction scale, and which can also be applied to quantity synthesis at an industrial scale using a conventional batch reactor or continuous reactor.
A method for producing an alkenyl phosphorus compound, comprising:
a step of reacting a compound represented by the following formula (1):
[In formula (1), R
1
represents OR
3
or R
3
, R
2
represents OR
4
or R
4
, and R
3
and R
4
represent, for example, each independently a substituted or unsubstituted alkyl group.]
with a compound represented by the following formula (2):
R
5
—C≡CH (2)
[In formula (2), R
5
represents, for example, a hydrogen atom, or a substituted or unsubstituted alkyl group.]
to produce the phosphorus alkenyl compound presented by at least any of the following formulas (3a) or (3b):
[In formulas (3a) and (3b), R
1
and R
2
have the same meaning as defined in formula (1), and R
5
has the same meaning as defined in formula (2).],
In which the compound represented by formula (1) is reacted with the compound represented by formula (2) using a transition metal catalyst, and a phosphorus oxo acid compound having an intramolecular P—H bond.
提供的是一种生产烯基磷化合物的方法,该方法即使使用的催化剂量比传统方法少,也能高效地生产烯基磷化合物,而且能够在更大的反应规模下保持催化活性,以高收率生产烯基磷化合物,并且还可以在传统的批量反应器或连续反应器中进行工业规模的量产合成。
生产烯基磷化合物的方法包括以下步骤:
将以下式(1)所表示的化合物与以下式(2)所表示的化合物反应:
式(1)中,R1代表OR3或R3,R2代表OR4或R4,R3和R4例如各自独立地代表取代或未取代的烷基基团。
式(2)中,R5例如代表氢原子,或代表取代或未取代的烷基基团。
从而产生至少以下任一式(3a)或(3b)所表示的磷烯烃化合物:
式(3a)和(3b)中,R1和R2的含义与式(1)中定义的相同,R5的含义与式(2)中定义的相同。
其中,使用过渡金属催化剂和具有分子内P-H键的磷氧酸化合物使式(1)所表示的化合物与式(2)所表示的化合物反应。