FIELD: organic chemistry. SUBSTANCE: the product is cis-[5- methyl-1-(1-hydroxy -3-propyl)] pyrrolidinium hydrotartrate, mp 153-154 C (from ethanol), yield 86% Reagent 1: cis-(5-methyl-2-hydroxypropyl) pyrrolidine. Reagent 2: (+)-tartaric acid. Reaction conditions: in absolute ethanol at 80 C. EFFECT: improved properties of the title compound. 5 tbl
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