跳转到内容

1,3-二(二氰基亚甲基)方酸盐

维基百科,自由的百科全书
1,3-二(二氰基亚甲基)方酸盐
识别
CAS号 179169-49-4  checkY
SMILES
 
  • [O-]C1C(C1=C(C#N)C#N)C([O-])=C(C#N)C#N
性质
化学式 C
10
N
4
O2−
2
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

1,3-二(二氰基亚甲基)方酸盐是一类含有C
10
N
4
O2−
2
或((N≡C−)2C=)2(C4O2)2−二价阴离子的化合物。它是方酸根的两个对位氧被二氰基亚甲基(=C(−C≡N)2)取代得到的化合物。

其阴离子可由方酸-1,2-二丁酯(由方酸正丁醇反应制得)和金属丙二腈反应得到。钠盐和其它盐类在乙醇中反应,可以制得多种盐类。[1]

盐类

化学式 CAS号 性质
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,稳定至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,稳定至482 °C
Ca2+·C
10
N
4
O2−
2
·6H2O
1194978-97-6 紫色,63–102脱水,稳定至468 °C
Ba2+·C
10
N
4
O2−
2
·4H2O
1194979-01-5 橙色,71–96 °C,稳定至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失去一分子乙醇和两分子四丁铵,稳定至238 °C
[(Ph4P)2(cdcb)]·2H2O 265111-90-8 橙色固体[2]

参考文献

  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 (英语).