прошу поделиться статьями из журналов:
1. Tetrahedron Letters, Volume 40, Issue 5, 29 January 1999, Pages 883-886. Effect of lithiation on the reactivity of diazo derivatives with sulfonylalkynes: application to the synthesis of three isomeric trisubstituted pyrazoles
Didier Bourissou, Guy Bertrand
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http://dx.doi.org/10.1016/S0040-4039(98)02582-9Synthesis and reactions of 1,1-diamino-2,2-dinitroethylene
Nikolai V. Latypov, Jan Bergman, Abraham Langlet, Ulf Wellmar and, Ulf Bemm
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http://dx.doi.org/10.1016/S0040-4020(98)00673-5