Efficient synthesis method of compound of phenylpyridine tetrazacyclopentadiene (TAP)

Abstract

The invention discloses an efficient synthesis method of a compound of phenylpyridine tetrazacyclopentadiene (TAP). 1-(3-nitryl-2-pyridine)-1H-benzotriazole (BP) is dissolved into a solvent; then, triethyl phosphite is added; reaction liquid reacts in a constant temperature bath; after the reaction is completed; the temperature of the reaction liquid is lowered to a value being 30 DEG C or below;the materials are poured into water; formed solid is filtered; water washing is performed for three times; after the dry filtering, drying is performed to obtain TAP. The synthesis method provided bythe invention has the advantages that the production period of a TAP compound can be shortened by four times or above; the production efficiency is improved; the industrial production of high-temperature heat-resistant explosives BPTAP can be favorably promoted; the production cost is reduced; the industrialization of the high-temperature heat-resistant explosives can be realized; meanwhile, the use of xylene toxic reagents is avoided; the process achieves the better environment-friendly effects.

Description

technical field [0001] The invention belongs to the category of organic compounds, more specifically, the invention relates to an efficient synthesis method of the compound phenylpyridine tetraazapentalene (TAP). Background technique [0002] Phenylpyridine tetraazapentalkene (TAP) is an important component of high-temperature heat-resistant explosive 2,4,8,10-tetranitro-phenylpyridine-1,3a,6,6a-tetraazapentalkalene (BPTAP). intermediate, and BPTAP is expected to be used in fields such as petroleum perforating bombs and high-energy heat-resistant explosives due to its good thermal stability. The synthesis of TAP was completed in foreign countries in the 1980s. The United States published the synthesis process of BPTAP in 2005, which included the synthesis process of TAP. It was refluxed in xylene solvent (143 ° C) for 24 hours, the reaction was completed, and the reaction time very long. There are no related reports in China. After repeated research, we found an efficient...

AI Technical Summary

Problems solved by technology

[0003] At present, with the exploitation of deep well oilfields in China, the demand for high-temperature heat-resistant explosives is also very urgent, and the industrial production of TAP compounds as intermediates has not yet formed.