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Prepn. of scopolamine and hyoscyamine hydro:bromide(s) - by alcohol extraction of alkaloid(s), and separation of the hydro:bromide(s) in chloroform
Prepn. of scopolamine and hyoscyamine hydro:bromide(s) - by alcohol extraction of alkaloid(s), and separation of the hydro:bromide(s) in chloroform
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机译:准备醇和生物碱的乙醇萃取,并在氯仿中分离氢溴化物,制备东pol碱和羟乙胺氢溴酸盐
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摘要
Prepn. of scopolamine and hyoscyamine hydrobromides is effected by cold extraction of alkaloids with alkaline alcohol, concn. of extract after-acidification, extraction of concentrate with CHCl3, distillation of CHCl3 and treatment of the residue with HBr in alcohol. Product is of good purity and yield. The hydrobromide of scopolamine is insoluble in CHCl3 whereas that of hyosayamine is soluble. The product are well-known anticholinergic agents.
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