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METHOD FOR PREPARATION OF 2,6-DIAMINO-3,5-DINITROPYRAZINE AND 2-METHOXY-6-CHLORO-3,5-DINITROPYRAZANE AS INTERMEDIATE PRODUCTS FOR SYNTHESIS OF 2,6-DIAMINO-3,5-DINITROPYRAZINE
METHOD FOR PREPARATION OF 2,6-DIAMINO-3,5-DINITROPYRAZINE AND 2-METHOXY-6-CHLORO-3,5-DINITROPYRAZANE AS INTERMEDIATE PRODUCTS FOR SYNTHESIS OF 2,6-DIAMINO-3,5-DINITROPYRAZINE
the invention u043au0430u0441u0430u0435u0442u0441u00a0 u0433u0435u0442u0435u0440u043eu0446u0438u043au043bu0438u0447u0435u0441u043au0438u0445 substances, in particular u043fu043eu043bu0443u0447u0435u043du0438u00a0 2,6 di amino - 3.5 - u0434u0438u043du0438u0442u0440u043eu043fu0438u0440u0430u044du0438u043du0430 u0434u043bu00a0 fusion u0442u0435u0440u043cu043eu0441u0442u043eu0439u043au0438u0445 polymers and 2 - u043cu0435u0442u043eu043au0441u0438 - 6u0445u043bu043eu0440 - 3.5 - dini u0442u0440u043eu043fu0438u0440u0430u0437u0430u043du0430 - u043fu043eu043bu0443u043fu0440u043eu0434u0443u043au0442u0430 u0434u043bu00a0 u043fu043eu043bu0443u0447u0435u043du0438u00a0 first substance. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - the way trust product and simplify the process. it is a 2 - u043cu0435u0442u043eu043au0441u0438 - 6 - u0445u043bu043eu0440u043fu0438u0440u0430u0437u0438u043du0430 with u043du0438u0442u0440u0443u044eu0449u0435u0439 mixture - inspection.u043du0433u044eu0437 and 20% to 25%, but the u043eu043bu0435u0443u043cu0430 when their mass ratio of 1: (1.5 - 3), (8, 14), with 30 - 50 & deg; c with subsequent gut reaction mass in 40 - 45 & deg; c for 0.5 h, and then with 70 - 90 & deg; c for 2 to 4 hours.the intermediate product 2 u043cu0435u0442u043eu043au0441u0438 - 6 - chlorine - 3.5 - u0434u0438u043du0438u0442u0440u043eu043fu0438 - razin are u0430u043cu043cu043eu043du043eu043bu0438u0437u0443 water u043cu043du0437 in 40 - 60 & deg; c in the environment u0441u043cu0435u0448u0438u0432u0430u044eu0449u0435u0433u043eu0441u00a0 with water u0440u0430u0441u0442u0432u043eu0440u0438u0442u0435u043bu00a0 - u0430u0446u0435u0442u043eu043du0438u0442u0440u0438u043bu0430, u0434u0438u043eu043a san, methanol, acetone or u0442u0435u0442u0440u0430u0433u0438u0434u0440u043eu0444u0443 - wound. solution after u043du0438u0442u0440u043eu0432u0430u043du0438u00a0 77%. u0442.u043fu043b. 105,5 - 10u0431.5 & deg;. solution after u0430u043cu043cu043eu043du043eu043bu0438u0437u0430 98%, u0442.u043fu043b. 350 & deg;.in comparison with the known way trust product u043fu043eu0432u044bu0448u0430u0435u0442u0441u00a0 from 25 to 77%, while reducing the number of stages. 2 u0441.u043f.u0444 - lu, 2 table.
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