The invention relates to the chemistry of natural and physiologically active substances and more particularly to a process for obtaining an intermediate product in the synthesis of steroid hormones of the pregnane series. The targeted task is achieved by the proposed process for obtaining 16,17-cyclohex-3',4'-enopregn-5-en-3-ol-20-one acetate by the interaction of 16-dehydropregnenolone acetate with 1,3-butadiene in the medium of an organic solvent in the presence of Lewis acid, the characteristics of which reside in the process run at the molar ratio of 16-dehydropregnenolone acetate, 1,3-butadiene and of Lewis acid within 1:2-3:0,2-0,4, at the temperature of -10°C, the reaction mixture temperature being further brought to room temperature, the reaction mixture being passed through a sorbing agent layer and the desired product being isolated by known methods. The technical result of the proposed invention is to simplify the process for obtaining an intermediate product in the synthesis of steroid hormones of the pregnane series thanks to the refusal to run the process in a sealed equipment.
本发明涉及天然和生理活性物质的
化学,更具体地涉及合成孕烷类类
固醇激素中间体的过程。所达到的目标是通过在有机溶剂中,在
路易斯酸的存在下,将16-
去氢孕酮醋酸酯与
1,3-丁二烯相互作用,从而获得16,17-环己-3',4'-烯基孕-5-烯-3-醇-20-酮
醋酸酯的过程。其特点在于,在摩尔比为16-
去氢孕酮醋酸酯、
1,3-丁二烯和
路易斯酸之间为1:2-3:0.2-0.4的条件下,在-10°C的温度下进行反应,反应混合物的温度进一步升至室温,通过吸附剂层传递反应混合物,然后用已知的方法分离所需产物。本发明的技术结果是通过拒绝在密闭设备中运行过程,简化了合成孕烷类类
固醇激素中间体的过程。