基本信息
cas:5382-23-0
中文名称:1-甲基-4-氯哌啶盐酸盐
中文别名:4-氯-N-甲基哌啶盐酸盐;4-氯-1-甲基哌啶盐酸盐;
英文名称:4-Chloro-1-methylpiperidine hydrochloride
英文别名:N-METHYL-4-CHLORO PIPERIDINE HCL;1-METHYL 4-CHLORO PIPERIDINE HYDROCHLORIDE;1-Methyl-4-chloropiperidine hydrochloride;4-CHLORO-1-METHYLPIPERIDINIUM CHLORIDE;4-CHLORO-N-METHYLPIPERIDINE HYDROCHLORIDE;4-Chloro-1-methylpiperidine Hydrochloride;1-METHYL-4-CHLORO PIPERIDINE HCL;4-chloro-1-methyl-piperidine hydrochloride salt;N-methyl-4-chloropiperidine hydrochloride;4-chloro-1-methyl-piperidine,hydrochloride;4-CHLORO-N-METHYLPIPERIDINE HCL;4-Chlor-1-methyl-piperidin,Hydrochlorid;4-CHLORO-1-METHYLPIPERIDINE HCL;4-Chlor-l-methylpiperidine HCl;N-Methy-4-Chloropiperidine HCl;
分子式:C6H13Cl2N
分子量:170.08000
精确质量:169.04300
PSA:3.24000
LOGP:2.05930
物化性质
外观与性状:灰白色粉末和块
密度:1.04 g/cm3
沸点:165.7ºC at 760 mmHg
熔点:158-162 °C(lit.)
闪点:54ºC
稳定性:Stable under normal temperatures and pressures.
储存条件:Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture.
安全信息
安全说明:S22-S24/25
WGK Germany:3
危险类别码:R36/37/38
海关编码:2933399090
危险品标志:Xi
生产方法及用途
生产方法
以甲胺为原料,经加成、环合、水解消除、催化氢化、氯化而得。1.加成甲胺与丙烯酸甲酯反应得N-甲基-N-,N-双(β-甲氧羰基乙基)胺(加成物)。2.环合将N-甲基-N,N-双(β-甲氧羰基乙基)胺(加成物)与甲醇钠反应,环合生成1-甲基-3-甲氧羰基哌啶酮-。3.水解、消除将环合生成1-甲基-3-甲氧羰基哌啶酮-与浓盐酸反应得1-甲基-4-哌啶酮盐酸盐。4.催化氢化将上述盐酸盐常温氢化。5.将上述氢化产物与氯化亚砜反应得4-氯-1-甲基哌啶。

用途

医药中间体。
毒性
加载中...