6 - u0430u043bu043au043eu043au0441u0438 - 3 - u0442u0440u0438u0444u0442u043eu0440u043cu0435u0442u0438u043bu0444u0435u043du0430u043bu0435u043du043eu043du044b as reference compounds to obtain dyes for laser technology, 3 - u0442u0440u0438u0444u0442u043eu0440u043cu0435u0442u0438u043b - 3 - (4 '- u0430u043bu043au043eu043au0441u0438u043du0430u0444u0442u0438u043b - (1') for cats lots as intermediate compounds in the synthesis of 6 - u0430u043bu043au043eu043au0441u0438 - 3 - u0442u0440u0438u0444u0442u043eu0440u043cu0435u0442u0438u043bu0444u0435u043du0430u043bu0435u043du043eu043du043eu0432 and methods of obtaining them

摘要

1. 6 - u0430u043bu043au043eu043au0441u0438 - 3 - u0442u0440u0438u0444u0442u043eu0440u043cu0435u0442u0438u043bu0444u0435u043du0430u043bu0435u043du043eu043du044b common formula;where r is c1 - c3 u0430u043bu043au0438u043b,;as reference compounds to obtain dyes for laser technology.;2. 3 - u0442u0440u0438u0444u0442u043eu0440u043cu0435u0442u0438u043b - 3 - (4 '- u0430u043bu043au043eu043au0441u0438u043du0430u0444u0442u0438u043b - 1) acrylic acid of the general formula;where r is c1 - c3 u0430u043bu043au0438u043b,;as intermediate compounds in the synthesis of 6 - u0430u043bu043au043eu043au0441u0438 - 3 - u0442u0440u0438u0444u0442u043eu0440u043cu0435u0442u0438u043bu0444u0435u043du0430u043bu0435u043du043eu043du043eu0432.;3. method of obtaining 6 u0430u043bu043au043eu043au0441u0438 - 3 - u0442u0440u0438u0444u0442u043eu0440u043cu0435u0442u0438u043bu0444u0435u043du0430u043bu0435u043du043eu043du043eu0432, namely that the 3 - u0442u0440u0438u0444u0442u043eu0440u043cu0435u0442u0438u043b - 3 - (4 '- u0430u043bu043au043eu043au0441u0438u043du0430u0444u0442u0438u043b - 1) acrylic acid are u0432u043du0443u0442u0440u0438u043cu043eu043bu0435u043au0443u043bu044fu0440u043du043eu0439 u0446u0438u043au043bu0438u0437u0430u0446u0438u0438 under the action of a sulfuric acid concentration of 82% to 95%, and the lead in the 15 - 35u00b0u0441 or u043fu043eu043bu0438u0444u043eu0441u0444u043eu0440u043du043eu0439 acid, and the process leads to a 50 200u00b0u0441 with the u0443u044eu0449u0438u043c of trust product.;4.a way to obtain 3 - u0442u0440u0438u0444u0442u043eu0440u043cu0435u0442u0438u043b - 3 - (4 '- u0430u043bu043au043eu043au0441u0438u043du0430u0444u0442u0438u043b - 1) acrylic acids, namely that the 1 - u0430u043bu043au043eu043au0441u0438u043du0430u0444u0442u0430u043bu0438u043d u043au043eu043du0434u0435u043du0441u0438u0440u0443u044eu0442 with u0442u0440u0438u0444u0442u043eu0440u0430u0446u0435u0442u043eu0443u043au0441u0443u0441u043du044bu043c ether or environment of sulphuric acid concentration of 80% to 95%, and last it at a temperature below (- 5) - (+ 10), oc, then, increasing temperature to 15 35u00b0u0441,or in the environment u043fu043eu043bu0438u0444u043eu0441u0444u043eu0440u043du043eu0439 acid with 50 150u00b0u0441 with subsequent processing of the reaction product in an alcohol and an alkali boiling serves the target product.