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A SUITABLE SYNTHESIS OF [1,2,4]TRIAZOLO[4,3-a]PYRAZIN-8(7H)-ONE DERIVATIVES

S. S. Kovalenko, K. Yu. Kulikovska, O. G. Drushlyak, I. O. Zhuravel, S. M. Kovalenko, V. P. Chernykh
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Abstract


A suitable approach to the synthesis of 3,7-disubstituted [1,2,4]triazolo[4,3-a]pyrazin-8(7H)-ones starting from esters of oxalic acid monoamides via cyclization of intermediate 3-hydrazinopyrazin-2-ones has been suggested.

How to Cite
Kovalenko, S. S.; Kulikovska, K. Yu.; Drushlyak, O. G.; Zhuravel, I. O.; Kovalenko, S. M.; Chernykh, V. P. Chem. Heterocycl. Compd. 2014, 50, 1147. [Khim. Geterotsikl. Soedin. 2014, 1243.]

For this article in the English edition see DOI 10.1007/s10593-014-1575-3


Keywords


3-hydrazinopyrazin-2(1H)-one; orthoester; pyrazine-2,3-dione; [1,2,4]triazolo[4,3-a]pyrazin-8(7H)-one; cyclization

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