Reaction of Se
4
N
4
with
[NBu
n
4
]
2
[Pd
2
Br
6
]
at 100 °C in CH
2
Cl
2
resulted in
[NBu
n
4
]
2
[Pd
2
Br
6
(Se
2
N
2
)] 1a in high yield (67%). In
contrast to the reaction of
[PPh
4
]
2
[Pd
2
Br
6
] with
S
4
N
4
, which generates a number of products, the
tetrabutylammonium salt generated only
[NBu
n
4
]
2
[Pd
2
Br
6
(S
2
N
2
)] 1b; comparison of the IR spectra
of 1a and 1b allows unambiguous identification of the
two bands due to E
2
N
2
vibrations. While reaction
of S(NSO)
2
with [Pt(PPh
3
)
3
] leads to a
mixture of [Pt(S
2
N
2
)(PPh
3
)
2
]
and [Pt(NSO)
2
(PPh
3
)
2
], only the latter
species forms in the analogous reaction of Se(NSO)
2
. Two
different results were also found in reactions with
[PPh
4
]
2
[Pd
2
Br
6
]; while
S(NSO)
2
appears surprisingly inert to this reagent,
Se(NSO)
2
reacts, when present in excess, to give the
unexpected product
[PPh
4
]
2
[Pd
2
Br
6
(Se
2
N
2
)] 1c. The crystal structure of the latter
confirms the presence of the adducted diselenium dinitride unit.
硒的反应
4
氮
4
和
[NBu
n
4
]
2
[
钯
2
溴
6
]
100 °C 在 CH 中
2
氯
2
导致
[NBu
n
4
]
2
[
钯
2
溴
6
(
硒
2
氮
2
)] 1a 的高产率 (67%)。在
与反应相反
[PPh
4
]
2
[
钯
2
溴
6
] 和
S
4
氮
4
,它产生了许多产品,
仅生成
四丁基铵盐
[NBu
n
4
]
2
[
钯
2
溴
6
(S
2
氮
2
)]1b;红外光谱比较
1a和1b允许明确识别
由于 E 产生两个频带
2
氮
2
振动。同时反应
S(国家统计局)
2
与 [Pt(PPh
3
)
3
] 导致
[Pt(S
2
氮
2
)(PPh
3
)
2
]
和 [Pt(NSO)
2
(PPh
3
)
2
],只有后者
Se(NSO) 的类似反应中形成物质
2
。二
反应中也发现了不同的结果
[PPh
4
]
2
[
钯
2
溴
6
];尽管
S(国家统计局)
2
令人惊讶的是对该试剂呈惰性,
硒(NSO)
2
当过量存在时,会发生反应,给出
意想不到的产品
[PPh
4
]
2
[
钯
2
溴
6
(
硒
2
氮
2
)] 1c.后者的晶体结构
证实了加合二氮化二
硒单元的存在。