method of obtaining 1,4,5,6,7,8,8 - heptachlor - 3 ', 4,7,7' - of - 4.7 - метаноиндена

摘要

1.method of obtaining 1,4,5,6,7,8,8 - heptachlor - 3 ', 4,7,7' - of - 4.7 - u043cu0435u0442u0430u043du043eu0438u043du0434u0435u043du0430 u0445u043bu043eu0440u0438u0440u043eu0432u0430u043du0438u0435u043c 4,5,6,7,8,8 - u0433u0435u043au0441u0430u0445u043bu043eu0440 - 3 ', 4,7,7' - of - 4.7 - u043cu0435u0442u0430u043du043eu0438u043du0434u0435u043du0430 gaseous chlorine in tempe u0440u0430u0442u0443u0440u0435 (35) is (+ 70) c in the environment of inert organic solvent in the presence of catalyst to silicon dioxide, and the fact that, in order to simplify the technology and the u0443u0447u0448u0435u043du0438u044f quality of trust productas the silicon dioxide silicon dioxide are u043du0435u043fu043eu0440u0438u0441u0442u0443u044e with u0434u0438u0441u043fu0435u0440u0441u043du043eu0441u0442u044cu044e 4 - 90 u03bc.2. method for 1, which was the fact that the lead in the u043cu043eu043bu044cu043du043eu043c ratio of chlorine and 4,5,6,7,8,8 - u0433u0435u043au0441u0430u0445u043bu043eu0440 - 3 ', 4,7,7' - of - 4.7 - u043cu0435u0442u0430u043du043eu0438u043du0434u0435u043du0430 (1 - 10): 1.3. method for p.1, and the fact that the lead in the presence of inhibitor free - radical polymerization p - u043cu0435u0442u043eu043au0441u0438u0444u0435u043du043eu043bu0430, hydroquinone or u0438u043eu043du043eu043bu0430 of 0.001 to 0.5% from the weight of 4,5,6,7,8,8 - u0433u0435u043au0441u0430u0445u043bu043eu0440 - 3 ', 4,7,7' - of - 4.7 - u043cu0435u0442u0430u043du043eu0438u043du0434u0435u043du0430.