N-[2-((1R,3R,4S)-1-methyl-4-isopropylcyclohex-3-yloxy)ethyl]-N-[2-(2,2-dimethylethoxy)ethyl]-N-methylamine 、
草酸 、
正己烷 在
正己烷 作用下,
以
丙酮 为溶剂,
以1.96 g of N-[2-((1R,3R,4S)-1-methyl-4-isopropylcyclohex-3-yloxy)ethyl]-N-[2-(2,2-dimethylethoxy)ethyl]-N-methylamine oxalate having a melting point of 113°-115° were obtained的产率得到N-[2-((1R,3R,4S)-1-methyl-4-isopropylcyclohex-3-yloxy)ethyl]-N-[2-(2,2-dimethylethoxy)ethyl]-N-methylamine oxalate