Invention Grant
- Patent Title: One-pot process for preparation of ammonium and hydroxyl ammonium derivatives of bis 5,5′-tetrazole-1,1′-dihydroxide
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Application No.: US15086994Application Date: 2016-03-31
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Publication No.: US09643937B1Publication Date: 2017-05-09
- Inventor: Reddy S. Damavarapu , Raja G. Duddu
- Applicant: The United States of America as Represented by the Secretary of the Army
- Applicant Address: US DC Washington
- Assignee: The United States of America as Represented by the Secretary of the Army
- Current Assignee: The United States of America as Represented by the Secretary of the Army
- Current Assignee Address: US DC Washington
- Agent Lisa H. Wang
- Main IPC: C07D257/04
- IPC: C07D257/04
Abstract:
A one-pot process for preparing ammonium and hydroxylammonium salts of bis 5,5′-tetrazole-1,1′-dihydroxide, specifically, diammonium bis 5,5′-tetrazole-1,1′-diolate (ABTOX) and dihydroxylammonium 5,5′-bistetrazole-1,1′-diolate (TKX-50). The process requires the reaction of sodium azide, dichloroglyoxime, HCl in dioxane solution to form bis 5,5′-tetrazole-1,1′-dihydroxide and treating this product with either ammonium chloride to produce ABTOX or hydroxylamine hydrochloride to produce TKX-50.
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