METHOD OF OBTAINING 20,24-DINITRO-2,3,11,12-DIBENZ-1,4,7,10,13,16-HEXAOXACYCLOOCTADECA-2,11-DIEN AND 20,25-DINITRO 2,3,11,12-DIBENZ-1,4,7,10,13,16-HEXAOXACYCLOOCTADECA 2,11-DIEN AND 20,25-DINITRO 2,3,11,12-DIBENZ-1,4,7,10,13,16-HEXAOXACYCLOOCTADECA-2,11-DIEN

摘要

the invention u043au0430u0441u0430u0435u0442u0441u00a0 u0433u0435u0442u0435u0440u043eu0446u0438u043au043bu0438u0447u0435u0441u043au0438u0445 compounds, in particular u043fu043eu043bu0443u0447u0435u043du0438u00a0 20, 24 or 25) - u0434u0438u043du0438u0442u0440u043e - 2,3,11,12 - u0434u0438u0431u0435u043du0437 - 1,4,7,10,13,16 - u0433u0435u043au0441u0430u043eu043au0441u0430u0446u0438u043au043bu043eu043eu043au0442u0430u0434u0435u043au0430 - 2.11 - u0434u0438u0435u043du043eu0432 who're locat u00a0u0442 used as u043au043eu043cu043fu043bu0435u043au0441u043eu043du043eu0432 and catalysts in organic synthesis. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - the choice of target products and u0438u043du0442u0435u043du0441u0438u0444u0438u043au0430u0446u0438u00a0 process.synthesis of lead a further 18 crown 6 with nitric acid (c d = 1483 - 1515 / cm3) in the environment of chloroform and acetic acid in the first 40 60u0441 and then with boiling and the allocation of individual isomers. these u0443u0441u043bu043eu0432u0438u00a0 increase purity isomers (u0434u043bu00a0 cis - isomer in u0442.u043fu043b. with 205 to 209 to 228 - 232u0441) and their exit from 91.6 to 97.2% and reducing the time of 4.5 hours to 10 - 15 minutes. 1, table 2).