1286202-10-5Relevant articles and documents
Regioselectivity studies of sydnone cycloaddition reactions of azine-substituted alkynes
Foster, Robert S.,Jakobi, Harald,Harrity, Joseph P.A.
experimental part, p. 1506 - 1508 (2011/05/16)
The synthesis of azine-substituted pyrazoles by a sydnone cycloaddition strategy is described. Incorporation of a 3-pyridyl moiety at the sydnone N-atom has little effect on either reactivity or regioselectivity, however, 2-ethynyl-pyridine and -pyrimidin