- Identifying urotropine derivatives as co-donors of formaldehyde and nitric oxide for improving antitumor therapy
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A pharmacophore integration strategy was utilized to develop the first co-donor of formaldehyde and nitric oxide (FANO), composed of urotropine derived nitramine/nitrosamine. FANO simultaneously generated formaldehyde and nitric oxide on-demand, resulting in synergistic anticancer effects. Importantly, liposomal formulation of FANO effectively inhibited tumor growth with minimal side-effects, providing a potent combined nitric oxide therapy for malignancy.
- Feng, Shujun,Luo, Jun,Meng, Xia,Ning, Xinghai,Xu, Yurui,Zhang, Yu
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supporting information
p. 7581 - 7584
(2021/08/05)
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- Reactions of amidosulfuric acid salts with formaldehyde
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Potassium amidosulfate reacts with formaldehyde at pH 7-12 to afford a mixture of dipotassium 4-hydroxy-1,3-diazabutane-1,3-disulfonate hydrate and tripotassium 6-hydroxy-1,3,5-triazahexane-1,3,5-trisulfonate HO(CH2NSO3K)n·H2O (n = 2, 3). The reaction of the same compounds at pH 1-3 gives diammonium 1,3,5,7-tetraazabicyclo[3.3.1]nonane-3,7-disulfonic acid sulfate dihydrate.
- Lyushnina,Bryukhanov,Turkina,Malakhov,Golod
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p. 1030 - 1033
(2007/10/03)
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- Deuterium Isotope Effects in Condensed-Phase Thermochemical Decomposition Reactions of Octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine
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The deuterium isotope effect was applied to condensed-phase thermodinamical reactions of HMX and HMX-d8 by using isothermal techniques.Dissimilar deuterium isotope effects revealed a mechanistic dependence of HMX upon different physical states which may singularly predominate in a specific type of thermal event.Solid-state HMX thermodinamical decomposition produces a primary deuterium isotope effect (DIE), indicating that covalent C-H bond rupture is the rate-controlling step in this phase.An apparent inverse DIE is displayed by the mixed melt phase and can be attributed to C-H bond contraction during a weakening of molecular lattice forces as the solid HMX liquefies.The liquid-state decomposition rate appears to be controlled by ring C-N bond cleavage as evidenced by a secondary DIE and higher molecular weight products.These results reveal a dependence of the HMX decomposition process on physical state and lead to a broader mechanistic interpretation which explains the seemingly contradictory data found in current literature reviews.
- Shackelford, S. A.,Coolidge, M. B.,Goshgarian, B. B.,Loving, B. A.,Rogers, R. N.,et al.
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p. 3118 - 3126
(2007/10/02)
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