Fused Pyrazolo[3,4-d]pyridazine N-Oxides with Balanced Detonation Performance and Safety
Abstract
A “skeleton-first, oxidation-late” two-step route is reported to synthesize a fused N-oxide (2), featuring a one-pot functionalization strategy introducing nitro and N-oxide moieties. Compound 2 exhibits an exceptionally high density (1.98 g cm−3), excellent detonation velocity (9023 m s–1), and low sensitivities (IS = 30 J, FS > 360 N).
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