Base Controlled Polydiazeniumdiolation of 4-Heptanone and a New Water Layer Structure.

[摘要]：In a stoichiometry-controlled reaction, nitric oxide adds to the enolate of 4-heptanone at ca. -23 癈 to give mono-, bis-, or tris-diazeniumdiolate (-N2O2-) products: potassium 4-heptanone-3,3,5-tris(diazeniumdiolate), potassium butanoate 2,2-bis(diazeniumdiolate), and potassium butanoate 2-diazeniumdiolate (I). The diazeniumdiolate products are stable cryst. solids under ambient conditions and as solids exothermally decomp. at high temps. Single-crystal X-ray data measured for the I dihydrate reveal a new layer aggregation, L4(4)8(8), as octameric water aggregates in a stair conformation which interacts minimally with the cation of the salt.

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