55643-82-8Relevant articles and documents
Bimetallic copper and zinc-catalyzed oxidative cycloaddition of 3-aminopyridazines and nitriles: A direct synthesis of 1,2,4-triazolo[1,5-: B] pyridazines via C-N and N-N bond-forming process
Mu, Qiu-Chao,Lv, Ji-Yuan,Chen, Mu-Yi,Bai, Xing-Feng,Chen, Jing,Xia, Chun-Gu,Xu, Li-Wen
, p. 37208 - 37213 (2017/08/09)
One-pot formation of the 1,2,4-triazolo[1,5-b]pyridazine nucleus and its derivatives is presented in this manuscript, in which the desired targets are offered easily via cooperative Cu(i) and Zn(ii)-catalyzed tandem C-N addition and subsequent I2/KI-mediated intramolecular oxidative N-N bond formation.
Reactions of N-Heteroarylformamide Oximes and N-Heteroarylacetamide Oximes with N,N-Dimethylformamide Dimethyl Acetal. Synthesis of 2-Methyl-s-triazoloazines and N-Methylcyanoaminoazines
Stanovnik, Branko,Stimac, Anton,Tisler, Miha,Vercek, Bojan
, p. 577 - 583 (2007/10/02)
N-Heteroarylformamide oximes 3 (R = H) were converted with N,N-dimethylformamide dimethyl acetal (DMFDMA) into N-heteroaryl-N-methylcyanoamino compounds 5, as the main products.In some instances N-heteroarylcyanoamino compounds 4, cyanoimino compounds 7, and some other products, such as 9 and 10 were also formed.On the other hand, N-heteroarylacetamide oximes 3 (R = CH3) were cyclized under the same reaction conditions into 2-methyl-s-triazoloazines (6).N-Heteroarylacetamide O-methyl oximes 11 and 12 were prepared from the corresponding acetamidines 2 (R = CH3) and O-methylhydroxylamine.