53788-49-1
中文名稱
1-Boc-4-甲基哌嗪
英文名稱
1-Boc-4-methylpiperazine
CAS
53788-49-1
分子式
C10H20N2O2
分子量
200.28
MOL 文件
53788-49-1.mol
更新日期
2023/03/20 15:41:20

基本信息
中文別名
1-BOC-4-甲基哌嗪4-甲基哌嗪-1-羧酸叔丁酯
英文別名
N-Boc-N-methylpiperazine1-BOC-4-METHYLPIPERAZINE
N-Boc-N-Methylpiperazine-d3
4-Methylpiperazine, N1-BOC protected
1-Methyl-4-(tert-butoxycarbonyl)piperazine
tert-butyl 4-methylpiperazine-1-carboxylate
4-METHYL-PIPERAZINE-1-CARBOXYLIC ACID TERT-BUTYL ESTER
4-Methylpiperazine-1-carboxylic Acid tert-Butyl Ester-d3
4-Methyl-1-piperazinecarboxylic Acid 1,1-Dimethylethyl Ester
4-Methyl-1-piperazinecarboxylic Acid 1,1-DiMethylethyl Ester-d3
所屬類別
醫(yī)藥中間體:哌嗪類化合物物理化學(xué)性質(zhì)
沸點(diǎn)254.8±33.0 °C(Predicted)
密度1.023±0.06 g/cm3(Predicted)
儲存條件2-8°C
溶解度Chloroform, Dichloromethane, Ethyl Acetate, Methanol
酸度系數(shù)(pKa)6.90±0.10(Predicted)
形態(tài)Oil
顏色Colorless
制備方法
方法1

109-01-3

24424-99-5

53788-49-1
在冰浴冷卻條件下,向N-甲基哌嗪(1.00g,10.0mmol)的四氫呋喃(10mL)溶液中緩慢加入二碳酸二叔丁酯(3.48mL,15.0mmol)。反應(yīng)混合物在室溫下攪拌2小時(shí)。反應(yīng)完成后,將溶液濃縮,通過硅膠柱色譜法純化產(chǎn)物。收集含有1-boc-4-甲基哌嗪的級分,濃縮后減壓干燥,得到目標(biāo)化合物1-boc-4-甲基哌嗪(2.15g,定量收率)。產(chǎn)物的結(jié)構(gòu)通過1H-NMR(CDCl3)確認(rèn),δ:3.44(4H,t,J = 5.0Hz),2.34(4H,t,J = 5.0Hz),2.29(3H,s),1.46(9H,s)。
參考文獻(xiàn):
[1] Tetrahedron Letters, 2008, vol. 49, # 16, p. 2527 - 2532
[2] Patent: EP2703406, 2014, A1. Location in patent: Paragraph 0392
[3] Asian Journal of Chemistry, 2017, vol. 29, # 6, p. 1313 - 1316
[4] Tetrahedron Letters, 2009, vol. 50, # 46, p. 6244 - 6246
[5] Journal of Organic Chemistry, 2006, vol. 71, # 21, p. 8283 - 8286