Ried, Walter; Tsiotis, Georgios published the article 《New fused nitrogen-rich heterocycles from 5,6-dichloropyrazine-2,3-dicarbonitrile》. Keywords: pyrazinopyrazine; pyridazinopyrazine; quinoxalinopyrazine; pyrazinopyrazinopyridazine; quinoxalinopyrazinopyridazine; cyclization hydrazine pyrazinedicarbonitrile.They researched the compound: 5,6-Dichloropyrazine-2,3-dicarbonitrile( cas:56413-95-7 ).Related Products of 56413-95-7. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:56413-95-7) here.
The reaction of the title compound with amines gave 34-82% pyrazines I (R = morpholino, piperidino, 1-pyrrolidinyl, Et2N, Me2N; RR = R1N(CH2)nNR1, R1 = Et, Ph, PhCH2, n = 2, R1 = Et, n = 3) and II (R2 = R3 = H, Me; R2 = H, R3 = Me, Cl; R2 = Me, R3 = Cl), which, upon treatment with N2H4, gave 25-61% III-V.
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Reference:
Synthesis and Crystal Structure of a Chiral C3-Symmetric Oxygen Tripodal Ligand and Its Applications to Asymmetric Catalysis,
Chiral lanthanide(III) complexes of sulphur–nitrogen–oxygen ligand derived from aminothiourea and sodium D-camphor-β-sulfonate