Processes and compositions for nitration of N-substituted isowur

Details Processes and compositions for nitration of N-substituted isowur Processes and compositions for nitration of N-substituted isowur

1998-05-01

2000-01-18

Shah, Mukund J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

540556, 149 92, C07D25504, C06B 2534

Patent

active

060158980

ABSTRACT:
Processes and compositions for nitration of N-substituted isowurtzitane compounds with concentrated nitric acid at elevated temperatures to form HNIW and recovery of gamma HNIW with high yields and purities. Polymorphic conversion of HNIW crystals to epsilon HNIW crystals is also disclosed.

REFERENCES:
patent: 5693794 (1997-12-01), Nielsen
patent: 5712511 (1998-01-01), Chan et al.
patent: 5739325 (1998-04-01), Wardle et al.
Chemical Abstracts, vol. 128, No. 14, 1998, No. 167, 452 Kawabe et al Pros for Preparation Etc.

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