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Article
Preparation of quaternary ammonium salts with a perhydroimidazo[1,5-c]oxazolium molecular skeleton
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Article
N-substituted tetrahydro-1,3-oxazines and -oxazolidines. 2. Nitration of N-(ω-acylamino-β,β-dinitroalkyl)tetrahydro-1,3-oxazines and -oxazolidines
Nitration of N-(ω-acylamino0-β,β-dinitroalkyl)tetrahydro-1,3-oxazines and N-(ω-acylamino-β,β-dinitroalkyl)oxazolidines resulted in O-nitrates bearing amide, dinitromethylene, and nitroamine groups. It was found t...
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Article
New N-nitrosoamines. 2. Transformations of tetrahydro-1,3-oxazines into nitrates of N-nitrosoamino alcohols
The reactions of HNO3 with tetrahydro-1,3-oxazines 1a—c produced by aminomethylation of diketopiperazine, isatin, and succinimide, respectively, afforded nitrates of amino alcohols [RCH2NH2(CH2)3ONO2]+NO3 – (4a—c
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Article
Transformations of nitrates (nitro esters) of amino alcohols involving both functions. 1. Reaction with alkali metal hydrogen carbonates
The reaction of nitrates (nitro esters) of amino alcohols with alkali metal hydrogen carbonates yielding oxazolidin-2-ones and tetrahydro-1,3-oxazin-2-ones was discovered. A large number of both known and newl...