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Preparation of 1,3‐Diazido‐2‐Nitro‐2‐Azapropane from Urea
Author(s) -
Il'yasov Sergey G.,
Danilova Elena O.
Publication year - 2012
Publication title -
propellants, explosives, pyrotechnics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.56
H-Index - 65
eISSN - 1521-4087
pISSN - 0721-3115
DOI - 10.1002/prep.201100067
Subject(s) - nitration , chemistry , urea , formaldehyde , nitro , derivative (finance) , condensation , organic chemistry , medicinal chemistry , alkyl , physics , thermodynamics , financial economics , economics
An alternative method to prepare 1,3‐diazido‐2‐nitro‐2‐azapropane (DANP), a promising liquid component for high‐energy condensed systems, is suggested and involves the following stages: (i) nitration of urea, (ii) condensation of the nitration product with formaldehyde, (iii) acylation (chlorination) of 1,3‐dihydroxy‐2‐nitro‐2‐azapropane, (iv) chlorination of 1,3‐diacetoxy‐2‐nitro‐2‐azapropane, and (v) azidation of the dichloro derivative to DANP. This synthesis method is selective and enables isolation of 1,3‐diazido‐2‐nitrazapropane devoid of impurities.

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