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1,3-二(二氰基亞甲基)方酸鹽

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1,3-二(二氰基亞甲基)方酸鹽
識別
CAS號 179169-49-4  checkY
SMILES
 
  • [O-]C1C(C1=C(C#N)C#N)C([O-])=C(C#N)C#N
性質
化學式 C
10
N
4
O2−
2
若非註明,所有數據均出自標準狀態(25 ℃,100 kPa)下。

1,3-二(二氰基亞甲基)方酸鹽是一類含有C
10
N
4
O2−
2
或((N≡C−)2C=)2(C4O2)2−二價陰離子的化合物。它是方酸根的兩個對位氧被二氰基亞甲基(=C(−C≡N)2)取代得到的化合物。

其陰離子可由方酸-1,2-二丁酯(由方酸正丁醇反應製得)和金屬丙二腈反應得到。鈉鹽和其它鹽類在乙醇中反應,可以製得多種鹽類。[1]

鹽類

化學式 CAS號 性質
2K+·Na+·Cl·K
2
C
10
N
4
O2−
2
·12CH3CN
1194978-84-1 橙色[1]
7Rb+·Na+·2Cl·3Rb
2
C
10
N
4
O2−
2
·CH
3
CH
2
OH
1194978-87-4 橙色,96 °C失去一分子乙醇,穩定至361 °C
Mg2+·2Na+C
10
N
4
O2−
2
·NO
3
·6H2CH
3
CH
2
OH
1194978-93-2 橙色,78 °C失去一分子乙醇和六分子水,穩定至482 °C
Ca2+·C
10
N
4
O2−
2
·6H2O
1194978-97-6 紫色,63–102脫水,穩定至468 °C
Ba2+·C
10
N
4
O2−
2
·4H2O
1194979-01-5 橙色,71–96 °C,穩定至457 °C
2(C
4
H
9
)4N+·2Na+·2Cl·2C
10
N
4
O2−
2
·CH
3
CH
2
OH
1194979-08-2 橙色,111 毒C失去一分子乙醇和兩分子四丁銨,穩定至238 °C
[(Ph4P)2(cdcb)]·2H2O 265111-90-8 橙色固體[2]

參考文獻

  1. ^ 1.0 1.1 Vanessa E. de Oliveira, Gustavo S. de Carvalho, Maria I. Yoshida, Claudio L. Donnici, Nivaldo L. Speziali, Renata Diniz and Luiz Fernando C. de Oliveira (2009), "Bis(dicyanomethylene)squarate squaraines in their 1,2- and 1,3-forms: Synthesis, crystal structure and spectroscopic study of compounds containing alkali metals and tetrabutylammonium ions." Journal of Molecular Structure Volume 936, Issues 1–3, Pages 239–249 doi:10.1016/j.molstruc.2009.08.002
  2. ^ Paul-Louis Fabre, Christophe Pena, Anne Marie Galibert, Brigitte Soula, Gérald Bernardinelli, Bruno Donnadieu, Paule Castan. Pseudo-oxocarbons complexes - complexation of 2,4-bis(dicyanomethylene)-cyclobutane-1,3-dione dianion with copper. X-ray identification and electrochemical properties of the dianion and copper(I) and (II) complexes. Canadian Journal of Chemistry. 2000-02-06, 78 (2): 280–290 [2020-10-10]. ISSN 0008-4042. doi:10.1139/v99-245 (英語).