1,3-Bis(dicyanomethylene)squarate
1,3-Bis(dicyanomethylene)squarate is a divalent anion with chemical formula C10N4O2−2 or ((N≡C−)2C=)2(C4O2)2−. It is one of the pseudo-oxocarbon anions, as it can be described as a derivative of the squarate oxocarbon anion C4O2−4 through the replacement of two opposite oxygen atoms by groups =C(−C≡N)2. Nuclear magnetic resonance shows that the aromatic character of the squarate core is retained.
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1,3-Bis(dicyanomethylene)squarate
1,3-Bis(dicyanomethylene)squarate is a divalent anion with chemical formula C10N4O2−2 or ((N≡C−)2C=)2(C4O2)2−. It is one of the pseudo-oxocarbon anions, as it can be described as a derivative of the squarate oxocarbon anion C4O2−4 through the replacement of two opposite oxygen atoms by groups =C(−C≡N)2. Nuclear magnetic resonance shows that the aromatic character of the squarate core is retained.
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1,3-Bis(dicyanomethylene)squar ...... the squarate core is retained.
@en
1,3-二(二氰基亚甲基)方酸盐是一类含有C10N4O2−2 ...... 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。
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1,3-Bis(dicyanomethylene)squar ...... the squarate core is retained.
@en
1,3-二(二氰基亚甲基)方酸盐是一类含有C10N4O2−2 ...... 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。
@zh
label
1,3-Bis(dicyanomethylene)squarate
@en
1,3-二(二氰基亚甲基)方酸盐
@zh