Synthesis and Characterization of Two Formyl 2-Tetrazenes.
Authors: Delalu H, Sabaté CM
Abstract
The synthesis of two formyl 2-tetrazenes, namely, (E)-1-formyl-1,4,4-trimethyl-2-tetrazene (2) and (E)-1,4-diformyl-1,4-dimethyl-2-tetrazene (3), by oxidation of (E)-1,1,4,4-tetramethyl-2-tetrazene (1) using potassium permanganate in acetone solution is presented. Compound 3 was also synthesized in an improved yield from the oxidation of 1-formyl-1-methylhydrazine (4 a) using potassium permanganate in acetone. Both compounds 2 and 3 were characterized by analytical (elemental analysis, GC-MS) and spectroscopic methods ((1) H, (13) C, and (15) N NMR spectroscopy, and IR and Raman spectroscopy). In addition, the solid-state structures of the compounds were confirmed by low-temperature X-ray analysis. (Compound 2: triclinic; space group P-1; a=...
Vocal against health reform, Missourians quiet on health IT
What with the presidential non-binding primary over, Missouri is more than just one of three states where Rick Santorum surprised the nation. The Show-Me State is staunch in its opposition to the Patient Protection and Affordable Care Act (PPACA) ndash; the individual mandate specifically.
Most of the opposition against health reform, including this one, has steered clear of the government's healthcare information technology initiatives, advances that are perceived as bipartisan.
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