The invention discloses a method for preparation of cyano compounds of the 13th group of the periodic table with 1, 2, 3 or 4 cyano residues, represented by formula (I): [Cat
n+
][(Z
1
F
4-m
(CN)
m
)
−
]
n
by a reaction of [(Z
1
F
4
)
−
] with trimethylsilylcyanide in the presence of a Lewis acid and in the presence of the cation Cat
n+
; Cat
n+
is a cation, Z
1
is B, Al, Ga, In or Tl, m is 1, 2, 3 or 4 and n is 1, 2, 3 or 4.
该发明揭示了一种制备周期表第13族元素的
氰基化合物的方法,其具有1、2、3或4个
氰基残基,用公式(I)表示:[Catn+][(Z1F4-m(CN)m)−]n,通过[(Z1F4)−]与三甲基
硅基
氰化物在Lewis酸和阳离子Catn+存在下的反应来实现;其中Catn+是一种阳离子,Z1是B、Al、Ga、In或Tl,m为1、2、3或4,n为1、2、3或4。