intermediate compounds for obtaining the (3r, statement) - 1 - (4 - u0444u0442u043eu0440u0444u0435u043du0438u043b) - 3 - (3s) - 3 - (4 - u0444u0442u043eu0440u0444u0435u043du0438u043b) - 3 - u0433u0438u0434u0440u043eu043au0441u0438u043fu0440u043eu043fu0438u043b - 4 - (4 - u0433u0438u0434u0440u043eu043au0441u0438u0444u0435u043du0438u043b) - 2 - u0430u0446u0435u0442u0438u0434u0438u043du043eu043du0430

摘要

a way to obtain (s) - u0441u043fu0438u0440u0442u043eu043eu043au0441u0430u0437u043eu043bu0438u0434u0438u0434u043eu0432 general formula ii where pg represents hydrogen or u0433u0438u0434u0440u043eu043au0441u0438u043bu044cu043du0443u044e protective group, such as u0442u0440u0438u043cu0435u0442u0438u043bu0441u0438u043bu0438u043b, tert u0431u0443u0442u0438u043bu0434 u0438u043cu0435u0442u0438u043bu0441u0438u043bu0438u043b, u0431u0435u043du0437u0438u043bu043eu043au0430u0440u0431u043eu043du0438u043b,tert u0431u0443u0442u043eu043au0441u0438u043au0430u0440u0431u043eu043du0438u043b, benzyl, u0431u0435u043du0437u0433u0438u0434u0440u0438u043b or u0442u0440u0438u0442u0438u043b, which u043au0435u0442u0430u043bu044c u043eu043au0441u0430u0437u043eu043bu0438u0434u0438u0434u0430 general formula iii, where pg is the same meaning as the above, and r means u0430u043bu043au0438u043b with 1 - 4 volumes of carbonlinear or elaborate, such as methyl, ethyl, u0438u0437u043eu043fu0440u043eu043fu0438u043b or butyl, or r + r together represent u0434u0438u0432u0430u043bu0435u043du0442u043du044bu0439 u0430u043bu043au0438u043b or u0437u0430u043cu0435u0449u0435u043du043du044bu0439 1 or 2 u0430u043bu043au0438u043bu044cu043du044bu043cu0438 groups nap remer, 1.2 - 1.2 - ethylene, propylene,1,2 - propylene or butene, 1.3 - 2.2 - dimethyl - 13 - propylene; in the protection of acidic reagents in mixtures of water and u0441u043cu0435u0448u0438u0432u0430u0435u043cu043eu0433u043e with water solvent in the temperature range from 0 to 100u00b0u0441 (stage a) and received the general formulas of its u043eu043au0441u0430u0437u043eu043bu0438u0434u0438u0434 ketones iv, where pg is the same meaning as the above are asymmetric reagent test in u0438u043du0435u0440u0442u043du043eu043c organic solvent at the temperature range from - 30 to + m ( stage).