| 摘要 |
<p>Precursors of anticholinergic quaternary compounds may besynthesised by acetylating optically active tropic acid, bytransforming the acetylated tropic acid into acid chloride byreacting it with amino alcohols having formulasuch as methane sulphonate, Q and R being explained in thedescription, and by deacetylating and isolating the reactionproduct.4 claims</p> |
