将189克二乙醇胺和2000毫升40%的氢溴酸置于装有搅拌器、回流冷凝管和温度计的三口瓶中,加热回流12小时。反应完成后,更换为维格罗分馏柱进行蒸馏至无液体馏出为止。初馏份弃去,续留份收集后回收再利用。
冷却后加入670毫升乙醇,去除分馏柱,重新装上冷凝管,在缓慢滴加243克邻氨基苯甲醚的过程中加热回流10小时。随后添加90克无水碳酸钠,继续回流10小时。趁热倾入烧杯中冷却,过滤出白色鳞片状结晶,使用乙醇进行重结晶处理。最终得到白色鳞片状结晶155克,熔点为232.4~234.6℃,产率为31.6%。
制备1-(2-甲氧基苯基)哌嗪将上述制得的155克1-(2-甲氧基苯基)哌嗪氢溴酸盐悬浮于150毫升水中,滴加40%的氢氧化钠溶液中和至强碱性。静置后分取油层,减压蒸馏除去水分,收集在温度为129~134℃(0.1mmHg)下的馏份。得到103.2克产物,纯度为97.5%~98.2%,为无色油状液体,产率为95%。以二乙醇胺为基础计算总产率为30%。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 1-(2-aminoethyl)-4-(2-methoxyphenyl)piperazine | 40255-48-9 | C13H21N3O | 235.329 |
—— | N-(2-methoxy-phenyl)piperazinone | 126480-23-7 | C11H14N2O2 | 206.244 |
—— | N1-(2-methoxyphenyl)ethane-1,2-diamine | 36908-21-1 | C9H14N2O | 166.223 |
—— | tert-butyl 4-(2-methoxyphenyl)piperazine-1-carboxylate | 95520-98-2 | C16H24N2O3 | 292.378 |
—— | 1-(2-methoxyphenyl)piperazine-2,6-dione | 115755-26-5 | C11H12N2O3 | 220.228 |
邻甲氧苯胺基乙腈 | 2-((2-methoxyphenyl)amino) acetonitrile | 28354-25-8 | C9H10N2O | 162.191 |
—— | benzyl 4-(2-methoxyphenyl)piperazine-1-carboxylate | —— | C19H22N2O3 | 326.395 |
1-(2-甲氧基苯基)-4-(对甲苯基磺酰基)哌嗪 | 1-(2-methoxyphenyl)-4-[(methylphenyl)sulfonyl]piperazine | 83863-44-9 | C18H22N2O3S | 346.45 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 1-(2-methoxyphenyl)-4-methylpiperazine | 148547-51-7 | C12H18N2O | 206.288 |
—— | 4-[4-(2-methoxyphenyl)piperazin-1-yl]phenylamine | 252964-75-3 | C17H21N3O | 283.373 |
—— | 1-(2-Methoxyphenyl)-4-<2-(methylamino)ethyl>piperazine | 50680-70-1 | C14H23N3O | 249.356 |
—— | 1-(N-phenyl-2-aminoethyl)-4-(2-methoxyphenyl)-piperazine | 220383-44-8 | C19H25N3O | 311.427 |
—— | 1-(2-aminoethyl)-4-(2-methoxyphenyl)piperazine | 40255-48-9 | C13H21N3O | 235.329 |
—— | [4-(2-methoxyphenyl)piperazin-1-yl]acetonitrile | 92043-13-5 | C13H17N3O | 231.297 |
—— | 4-(2-methoxyphenyl)-1-piperazinamine | 19351-48-5 | C11H17N3O | 207.275 |
—— | 1-(2-methoxyphenyl)4-n-propylpiperazine | 92493-10-2 | C14H22N2O | 234.341 |
2-[4-(2-甲氧基苯基)哌嗪-1-基]乙醇 | 1-(2-hydroxyethyl)-4-(2-methoxyphenyl)piperazine | 40004-60-2 | C13H20N2O2 | 236.314 |
—— | 1-allyl-4-(2-methoxy-phenyl)-piperazine | 6322-40-3 | C14H20N2O | 232.326 |
—— | 1-(2-chloroethyl)-4-(2-methoxyphenyl)piperazine | 43091-72-1 | C13H19ClN2O | 254.76 |
—— | 1-(2-methoxyphenyl)-4-(prop-2-yn-1-yl)piperazine | 21057-44-3 | C14H18N2O | 230.31 |
—— | 1-formyl-4-(2-methoxyphenyl)piperazine | 768289-44-7 | C12H16N2O2 | 220.271 |
1-(3-氨基)-4-(2-甲氧基苯基)哌嗪 | 3-(4-(2-methoxyphenyl)piperazin-1-yl)propylamine | 20529-23-1 | C14H23N3O | 249.356 |
—— | 1-butyl-4-(2-methoxyphenyl)piperazine | 93151-61-2 | C15H24N2O | 248.368 |
—— | 1-Isobutyl-4-(2-methoxy-phenyl)-piperazine | 93151-64-5 | C15H24N2O | 248.368 |
—— | 1-(2-azidoethyl)-4-(2-methoxyphenyl)piperazine | 600709-61-3 | C13H19N5O | 261.327 |
4-(2-甲氧基苯基)-1-哌嗪丙醇 | 3-(4-(2-methoxyphenyl)piperazin-1-yl)propan-1-ol | 41103-43-9 | C14H22N2O2 | 250.341 |
—— | 1-(2-methoxyphenyl)-4-(3-chloropropyl)piperazine | 21279-77-6 | C14H21ClN2O | 268.787 |
—— | 3-[4-(2-methoxyphenyl)piperazin-1-yl]propionitrile | 21103-25-3 | C14H19N3O | 245.324 |
4-4-(2-甲氧基-苯基)-哌嗪-1-基-丁基胺 | 4-[4-(2-methoxyphenyl)piperazin-1-yl]butylamine | 21103-33-3 | C15H25N3O | 263.383 |
—— | 1-(2-aminopropyl)-4-(o-methoxyphenyl)piperazine | 433213-99-1 | C14H23N3O | 249.356 |
—— | (R)-{2-[4-(2-methoxyphenyl)-piperazin-1-yl]-1-methyl-ethyl}-amine | 133025-57-7 | C14H23N3O | 249.356 |
—— | 1-(but-2-ynyl)-4-(2-methoxyphenyl)piperazine | —— | C15H20N2O | 244.337 |
—— | N-isopropyl-3-(4-(2-methoxyphenyl)piperazin-1-yl)propan-1-amine | —— | C17H29N3O | 291.437 |
—— | 5-(4-(2-methoxyphenyl)piperazin-1-yl)pentan-1-amine | 21098-02-2 | C16H27N3O | 277.41 |
—— | 4-(2-methoxyphenyl)-1-piperazineacetamide | 219125-57-2 | C13H19N3O2 | 249.313 |
—— | 1-<2-Methoxy-phenyl>-4-<4-hydroxy-butyl>-piperazin | 40004-65-7 | C15H24N2O2 | 264.368 |
2-[4-(2-甲氧基苯基)哌嗪]乙烷硫代酰胺 | 4-(2-methoxyphenyl)-1-piperazinethioacetamide | 219125-59-4 | C13H19N3OS | 265.379 |
二甲力嗪 | 1-(2-methoxy-phenyl)-4-(3-methoxy-propyl)-piperazine | 7008-00-6 | C15H24N2O2 | 264.368 |
4-(4-(2-甲氧基苯基)哌嗪-1-基)丁腈 | 4-(4-(2-methoxyphenyl)piperazin-1-yl)butyronitrile | 25024-99-1 | C15H21N3O | 259.351 |
—— | 5-[4-(2-methoxyphenyl)piperazin-1-yl]pentannitrile | 25024-98-0 | C16H23N3O | 273.378 |
—— | 1-(2-methoxyphenyl)-4-(pent-4-yn-1-yl)-piperazine | —— | C16H22N2O | 258.363 |
1-(2-羟基苯基)哌嗪 | 2-hydroxyphenylpiperazine | 1011-17-2 | C10H14N2O | 178.234 |
—— | 4-(4-(2-methoxyphenyl)piperazin-1-yl)benzaldehyde | 1021240-71-0 | C18H20N2O2 | 296.369 |
—— | 1-(4-azidobutyl)-4-(2-methoxyphenyl)piperazine | 1458630-33-5 | C15H23N5O | 289.381 |
—— | [4-(2-methoxyphenyl)-piperazin-1-yl]-acetic acid | 876603-01-9 | C13H18N2O3 | 250.298 |
—— | N-(3-[4-(2-methoxyphenyl)piperazin-1-yl]propyl)acetamide | 263017-65-8 | C16H25N3O2 | 291.393 |
—— | 4-[4-(2-Methoxyphenyl)piperazin-1-yl]butan-2-one | 185310-84-3 | C15H22N2O2 | 262.352 |
—— | 1-(2-amino-2,2-dimethylethyl)-4-(o-methoxyphenyl)piperazine | —— | C15H25N3O | 263.383 |
—— | 5-[4-(2-Methoxyphenyl)piperazin-1-yl]pentanethioamide | 188708-22-7 | C16H25N3OS | 307.46 |
3-(4-(2-甲氧基苯基)哌嗪-1-基)丙酸 | 3-(4-(2-methoxyphenyl)piperazin-1-yl)propanoic acid | 732298-45-2 | C14H20N2O3 | 264.324 |
—— | 1-(4-aminocarbonylbutyl)-4-(2-methoxy-phenyl)piperazine | 188708-21-6 | C16H25N3O2 | 291.393 |
—— | α-(aminomethyl)-4-[2-(1-methoxy)phenyl]-1-piperazineethanol | 217170-70-2 | C14H23N3O2 | 265.356 |
—— | 4-(2-methoxyphenyl)-piperazine-carbothioic acid amide | 928152-33-4 | C12H17N3OS | 251.352 |
—— | (S)-(+)-1-amino-3-(4-(2-methoxyphenyl)piperazin-1-yl)propan-2-ol | 180959-08-4 | C14H23N3O2 | 265.356 |
—— | (R)-(-)-1-amino-3-(4-(2-methoxyphenyl)piperazin-1-yl)propan-2-ol | 180959-09-5 | C14H23N3O2 | 265.356 |
—— | N-(2-methoxyphenyl)piperazineacetohydrazide | 204973-87-5 | C13H20N4O2 | 264.327 |
—— | 1-(4-bromo-2-methoxyphenyl)-4-methylpiperazine | 960402-38-4 | C12H17BrN2O | 285.184 |
—— | 4-(4-(2-methoxyphenyl)piperazin-1-yl)butanoic acid | 824958-22-7 | C15H22N2O3 | 278.351 |
—— | 5-(4-(2-methoxyphenyl)piperazin-1-yl)pentanoic acid | —— | C16H24N2O3 | 292.378 |
—— | 3-<4-(2-Methoxyphenyl)piperazinyl>-1,2-propandiol | 117067-06-8 | C14H22N2O3 | 266.34 |
—— | (S)-3-[4-(2-Methoxy-phenyl)-piperazin-1-yl]-propane-1,2-diol | —— | C14H22N2O3 | 266.34 |
—— | (S)-1-chloro-3-(4-(2-methoxyphenyl)piperazin-1-yl)propan-2-ol | 1407829-90-6 | C14H21ClN2O2 | 284.786 |
—— | 2-hydroxy-3-[4-(2-methoxyphenyl)-1-piperazinyl]propyl chloride | 73438-28-5 | C14H21ClN2O2 | 284.786 |
—— | Methyl 3-[4-(2-methoxyphenyl)piperazin-1-yl]propanoate | —— | C15H22N2O3 | 278.351 |
1-(氯乙酰基)-4-(2-甲氧基苯基)哌嗪盐酸盐 | 4-[(2-methoxy)phenyl]-1-(2-chloroacetyl)piperazine | 21057-39-6 | C13H17ClN2O2 | 268.743 |
—— | 4-fluoro-N-{3-[4-(2-methoxy-phenyl)-piperazin-1-yl]-propyl}-aniline | 54013-66-0 | C20H26FN3O | 343.444 |
—— | 1-acryloyl-4-(2-methoxy-phenyl)-piperazine | 21057-24-9 | C14H18N2O2 | 246.309 |
—— | 1-(2-methoxyphenyl)-4-(4-nitrophenyl)piperazine | 166438-84-2 | C17H19N3O3 | 313.356 |
—— | 3-fluoro-4-(4-(2-methoxyphenyl)piperazin-1-yl)butan-1-amine | 1301178-78-8 | C15H24FN3O | 281.373 |
—— | 1-(2-methoxyphenyl)-4-(2-(oxiran-2-yl)ethyl)piperazine | 944344-40-5 | C15H22N2O2 | 262.352 |
1-(2-甲氧基苯基)-4-(2-苯基乙基)哌嗪 | 1-(2-methoxyphenyl)-4-(2-phenyl-1-ethyl)piperazine | 144146-62-3 | C19H24N2O | 296.412 |
—— | 1-<1-(2-methoxyphenyl)-4-piperazino>-2,3-epoxypropane | 1016890-32-6 | C14H20N2O2 | 248.325 |
—— | methyl 4-[4-(2-methoxyphenyl)piperazin-1-yl]butyrate | —— | C16H24N2O3 | 292.378 |
—— | 4-(4-(2-methoxyphenyl)piperazin-1-yl)piperidine | 497231-90-0 | C16H25N3O | 275.394 |
—— | ethyl 3-(4-(2-methoxyphenyl)piperazin-1-yl)propanoate | 56968-31-1 | C16H24N2O3 | 292.378 |
—— | α-(azidomethyl)-4-[2-(1-methoxy)phenyl]-1-piperazineethanol | 285552-88-7 | C14H21N5O2 | 291.353 |
—— | ethyl 2-(4-(2-methoxyphenyl)piperazin-1-yl)acetate | 63854-11-5 | C15H22N2O3 | 278.351 |
—— | 3-[4-(2-methoxyphenyl)piperazin-1-yl]propyl methanesulfonate | 178672-28-1 | C15H24N2O4S | 328.433 |
—— | 4-(2-methoxyphenyl)-1-piperazine-[(11)C]-carboxylic acid methyl ester | 1208328-85-1 | C13H18N2O3 | 249.287 |
—— | {3-[4-(2-methoxyphenyl)piperazine-1-yl]-propyl}carbamic acid ethyl ester | 1219214-84-2 | C17H27N3O3 | 321.42 |
—— | 4-(2-methoxyphenyl)-1-piperazinecarboxylic acid methyl ester | 313382-25-1 | C13H18N2O3 | 250.298 |
—— | tert-butyl (2-(4-(2-methoxyphenyl)piperazin-1-yl)ethyl)carbamate | 1610591-83-7 | C18H29N3O3 | 335.447 |
4-(4-(2-甲氧基苯基)哌嗪-1-基)丁酸乙酯 | ethyl 4-(4-(2-methoxyphenyl)piperazin-1-yl)butanoate | 101740-02-7 | C17H26N2O3 | 306.405 |
—— | 1-(2-methoxy-phenyl)-4-(3-phenyl-propyl)-piperazine | 144146-63-4 | C20H26N2O | 310.439 |
—— | ethyl 5-(4-(2-methoxyphenyl)piperazin-1-yl)pentanoate | —— | C18H28N2O3 | 320.432 |
—— | N-[2-(dimethylamino)ethyl]-4-(2-methoxyphenyl)-1-piperazinecarboxamide | 117518-22-6 | C16H26N4O2 | 306.408 |
—— | 1-[3-(4-Bromo-phenoxy)-propyl]-4-(2-methoxy-phenyl)-piperazine | 84344-53-6 | C20H25BrN2O2 | 405.335 |
—— | 3-Chloro-1-[4-(2-methoxy-phenyl)-piperazin-1-yl]-propan-1-one | 192992-92-0 | C14H19ClN2O2 | 282.77 |
1-[4-(4-氟苯氧基)丁基]-4-(2-甲氧基苯基)哌嗪 | 1-(4-(4-fluorophenoxy)butyl)-4-(2-methoxyphenyl)piperazine | 2062-74-0 | C21H27FN2O2 | 358.456 |
—— | 2,2-Dimethylpropanoic acid 2-[4-(2-methoxyphenyl)-1-piperazinyl]ethyl ester | —— | C18H28N2O3 | 320.4 |
—— | 1-benzyl-4-(2-methoxyphenyl)piperazine | 21091-60-1 | C18H22N2O | 282.385 |
—— | 1-Piperazineheptanoic acid, 4-(2-methoxyphenyl)-, ethyl ester | 81185-85-5 | C20H32N2O3 | 348.5 |
—— | 2,2,2-trichloro-1-(4-(2-methoxyphenyl)piperazin-1-yl)ethanone | 219963-59-4 | C13H15Cl3N2O2 | 337.633 |
—— | 2,2,2-trifluoro-1-(4-(2-methoxyphenyl)piperazin-1-yl)ethanone | 355812-18-9 | C13H15F3N2O2 | 288.27 |
—— | {(1R)-1-cyclohexylmethyl-2-[4-(2-methoxyphenyl)-piperazin-1-yl]-ethyl}-amine | 252894-86-3 | C20H33N3O | 331.502 |
—— | tert-butyl (3-(4-(2-methoxyphenyl)piperazin-1-yl)propyl)carbamate | 1085928-20-6 | C19H31N3O3 | 349.473 |
—— | ethyl 4-(2-methoxyphenyl)piperazine-1-carboxylate | 259792-71-7 | C14H20N2O3 | 264.324 |
—— | 3-fluoro-4-[4-(2-methoxyphenyl)piperazin-1-yl]aniline | 937597-49-4 | C17H20FN3O | 301.364 |
—— | 1-(2-methoxyphenyl)-4-[(E)-3-(4-methoxyphenyl)prop-2-enyl]piperazine | 952682-87-0 | C21H26N2O2 | 338.45 |
2-[4-(2-甲氧基苯基)哌嗪-1-基]嘧啶 | 2-(4-(2-methoxyphenyl)piperazin-1-yl)pyrimidine | 3601-88-5 | C15H18N4O | 270.334 |
—— | 4-Chloro-1-[4-(2-methoxyphenyl)piperazin-1-yl]butan-1-one | —— | C15H21ClN2O2 | 296.797 |
—— | 1-(4-acetamidophenoxy)-3- |
85868-53-7 | C22H29N3O3 | 383.491 |
—— | tert-butyl (4-(4-(2-methoxyphenyl)piperazin-1-yl)butyl)carbamate | 740873-31-8 | C20H33N3O3 | 363.5 |
—— | 1-(2-methoxyphenyl)-4-(2-(2-pyridylamino)ethyl)piperazine | 155204-28-7 | C18H24N4O | 312.415 |
4-[2-(4-(2-甲氧基苯基)哌嗪-1-基)-乙氧基]-苯-1,2-二胺 | 4-[2-(4-(2-methoxyphenyl)piperazin-1-yl)-ethoxy]-benzene-1,2-diamine | 1027930-83-1 | C19H26N4O2 | 342.441 |
—— | 1-(2-methoxyphenyl)-4-(methylsulfonyl)piperazine | 330467-46-4 | C12H18N2O3S | 270.353 |
alpha-(苯氧基甲基)-4-(2-甲氧基苯基)-1-哌嗪乙醇 | 1-(4-(2-methoxyphenyl)piperazinyl)-3-phenoxypropan-2-ol | 66307-56-0 | C20H26N2O3 | 342.438 |
—— | tert-butyl (5-(4-(2-methoxyphenyl)piperazin-1-yl)pentyl)carbamate | 1610591-84-8 | C21H35N3O3 | 377.527 |