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- W2007301850 abstract "In the acid hydrolysis of diazepam (1), several unusual products, apart from 2-(N-methylamino)-5-chlorobenzophenone (2) and glycine, were isolated. On the assumption that some of those products could arise from further degradation of 2, the reaction of this compound with 0.5–2 M HCl was studied, in 1:1 MeOH—H2O, at 60 and 80 °C. Several unexpected products were isolated from the reaction of 2 with HCl, namely, 2-amino-5-chlorobenzophenone (3), 2-(N, N-dimethylamino)-5-chlorobenzophenone (4), 2-(N-methylamino)-3,5-dichlorobenzophenone (5), 2-amino-3,5-dichlorobenzophenone (6), 2, 4-dichloro-10-methyl-9,10-acridinone (7), and 2, 4-dichloro-9, 10-acridinone (8). The methyl transfers, the chlorination, and the cyclization reactions that give rise to products 3–8 are unexpected under the present reaction conditions. The rate of reaction of 2, as well as the rate of formation of compounds 3–6, was measured at several HCl concentrations." @default.
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- W2007301850 date "1968-01-01" @default.
- W2007301850 modified "2023-10-16" @default.
- W2007301850 title "A method for gas chromatographic determination of benzodiazepines" @default.
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- W2007301850 doi "https://doi.org/10.1016/s0021-9673(01)99114-9" @default.
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