CN104829480B - 一种合成烷基氢化诺卜基胺及其乙(丙)酰化化合物的方法 - Google Patents

一种合成烷基氢化诺卜基胺及其乙(丙)酰化化合物的方法 Download PDF

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CN104829480B
CN104829480B CN201510136530.3A CN201510136530A CN104829480B CN 104829480 B CN104829480 B CN 104829480B CN 201510136530 A CN201510136530 A CN 201510136530A CN 104829480 B CN104829480 B CN 104829480B
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陈金珠
肖转泉
王宗德
范国荣
陈尚钘
王鹏
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Jiangxi Agricultural University
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Abstract

一种合成烷基氢化诺卜基胺及其乙(丙)酰化化合物的方法,其特点是:1)以氢化诺卜基氯为原料,在有机溶剂中,分别与不同的伯胺按一定物料比投料于水热合成反应釜中,密封后置于加热器中,加热进行反应,反应后产物经纯化,合成得到了5种烷基氢化诺卜基胺类化合物;2)分别以合成的5种烷基氢化诺卜基胺为原料,常温常压下,在有机溶剂中,与乙酰氯、三乙胺按一定物料比投料于锥形瓶中,进行N‑酰化反应,合成得到了5种N‑烷基‑N‑氢化诺卜基乙酰胺类化合物。3)分别以合成的5种烷基氢化诺卜基胺为原料,常压下,在脱酸剂中,与丙酸酐按一定物料比投料于三口烧瓶中,加热进行N‑酰化反应,合成得到了5种N‑烷基‑N‑氢化诺卜基丙酰胺类化合物。本发明工艺简单、易控制、操作安全,污染少,得率优良,纯度高,具有广泛的应用前景。

Description

一种合成烷基氢化诺卜基胺及其乙(丙)酰化化合物的方法
技术领域
本发明涉及一种合成烷基氢化诺卜基胺及其乙(丙)酰化化合物的方法,具体地说涉及一种以氢化诺卜基氯为原料,分别与不同的伯胺反应,合成得到了5种仲胺(即烷基氢化诺卜基胺),然后再由5种仲胺分别与乙酰氯、丙酸酐进行N-酰基化反应,又分别合成得到5种N-烷基-N-氢化诺卜基乙酰胺和5种N-烷基-N-氢化诺卜基丙酰胺类化合物的方法。
技术背景
有机胺类化合物多数都具有一定的生物活性,而且还可以作为合成酰胺、希夫碱、季铵盐等中间体。酰胺类化合物具有抗菌、除草、杀虫、植物生长调节等生物活性,一直备受农药和医药界的广泛关注,其新颖结构不断问世且呈现出更好的生物活性。另一方面,松节油是一种产量大,价格低廉且可再生的林产化工资源,其主要成分之一β-蒎烯及其衍生物显示出广泛的生物活性。近年来,通过对β-蒎烯的结构进行化学修饰合成具有生物活性的化合物已成为林产化学和有机合成化学的研究热点之一。
众多研究者对β-蒎烯开展了大量的研究,由其合成的诺卜醇、氢化诺卜醇及其醚类、酯类、缩醛类等衍生物对多种昆虫具有较好的拒食活性(昆虫知识,2007,44(6):863-867)或较好的驱避活性(江西农业大学学报(自然科学版),2008,30(8):586-591)。近年又合成了氢化诺卜酸及其酰胺类化合物,不同种类的初步活性测定表明,这些化合物具有一定的生理活性。为了对β-蒎烯衍生物进行更加深入的活性筛选及其相关研究,有必要增加此类化合物的品种和数量。因此,本专利公开了一种合成烷基氢化诺卜基胺及其乙(丙)酰化化合物的方法。
目前,尚没有所述的5种烷基氢化诺卜基胺及其乙(丙)酰化化合物的合成方法。因此,本专利探究了所述的5种仲胺及其5种乙酰化和5种丙酰化化合物的合成方法,并确定了通用的合成方法。
发明内容
本发明的目的在于公开一种合成烷基氢化诺卜基胺及其乙(丙)酰化化合物的方法,即以氢化诺卜基氯为原料,分别与不同的有机胺反应,合成得到了5种烷基氢化诺卜基胺(仲胺),所得仲胺再分别与乙酰氯(丙酸酐)进行N-酰化反应,又分别合成得到了5种N-烷基-N-氢化诺卜基乙酰胺和5种N-烷基-N-氢化诺卜基丙酰胺类化合物。
化学反应式如下:
本发明中:
所述反应是以氢化诺卜基氯(1)为原料。
所述的有机胺为伯胺,可为下述之一:甲胺、乙胺、正丙胺、异丙胺、正丁胺。
所述合成得到的烷基氢化诺卜基胺均为仲胺,并以此为原料,分别与乙酰氯和丙酸酐进行N-酰化反应,合成得到了仲胺乙酰化和丙酰化化合物各5种。
所述氢化诺卜基氯(1)、5种烷基氢化诺卜基胺类化合物(2a~2e)、5种N-烷基-N-氢化诺卜基乙酰胺类化合物(3a~3e)、5种N-烷基-N-氢化诺卜基丙酰胺类化合物(4a~4e)的结构如下:
本发明的有益效果是以氢化诺卜基氯为原料,分别与不同的胺反应得到5种烷基氢化诺卜基胺,再分别与乙酰氯和丙酸酐反应,又分别合成得到了5种N-乙酰化和5种N-丙酰化的N烷基-N-氢化诺卜基酰胺类化合物。反应在低压下进行、操作简便安全;反应条件温和、产物易分离;目标产物得率优良,纯度高。
具体实施方式
下面通过实施例详述本发明,然而,本发明不限于下述的实施例。
实施例1:
烷基氢化诺卜基胺类化合物(2a~2e)的合成通法
在50ml水热合成反应釜中,将氢化诺卜基氯(1)及伯胺(RNH2)按物料比为:1∶1.6~2.2(mol/mol)投料,加入适量无水乙醇,以不装满为准,盖好,密封。置于保温效果较好的加热器中,在80~120℃下反应10~24h。冷却后,将釜内物料转入锥形瓶中,搅拌下加热驱除乙醇等低沸点物(甲胺、乙胺所带的水,过量的伯胺)。加入适量氢氧化钠溶液,至水层PH值为11,再加入一定量石油醚(60~90℃),搅拌。静置后分出有机层,水层再用石油醚萃取一次,合并有机层,用饱和食盐水洗涤后,无水硫酸钠干燥。蒸馏回收石油醚后减压蒸馏蒸出产品。
实施例2:
伯胺为甲胺,其它实验方法和条件同实施例1,减压蒸馏得甲基氢化诺卜基胺(2a,R=Me),无色液体,b.p.111~112℃/1000Pa,15.4g,得率85%,GC纯度98.2%,1.49424。
IR(vmax,cm-1):2933,2906,2860,2790(C-H),1469(CH2),1383,1365(CMe2),1117,1040(C-N);MS m/z,%RT):44(100),181(0.78,M+);NMRδH(ppm):2.449(2H,m,11-CH2),2.315(3H,s,α-CH3),2.214(1H,m,2-CH),1.913(1H,m,7-CH),1.851~1.721(5H,m,10-CH25-CH,1-CH,3-CH),1.480(2H,m,4-CH2),1.371(1H,m,3-CH),1.190(1H,br,NH),1.075(3H,s,9-CH3)0.906(3H,s,8-CH3),0.779(1H,d,J=9.6Hz,7-CH);δC(ppm):50.726(C11),46.375(Cα,)41.332(C2),39.078(C5),38.531(C6),37.863(C10),36.426(C1),33.526(C7),28.043(C9),26.323(C4),23.087(C8),22.351(C3)。
实施例3:
伯胺为乙胺,其它实验方法和条件同实施例1,减压蒸馏得乙基氢化诺卜基胺(2b,R=Et),无色液体,b.p.100~101℃/200Pa,17.1g,得率87.7%,GC纯度98.5%,1.48982。
IR(vmax,cm-1):2935,2905,2876,2865(C-H),1468(CH2),1383,1366(CMe2),1135(C-N);MS(m/z,%RT):58(100),195(1.25,M+);NMRδH(ppm):2.487~2.401(4H,m,11-CH2α-CH2),2.146(1H,m,2-CH),1.853(1H,m,7-CH),1.780~1.665(5H,m,3-CH,10-CH25-CH,1-CH),1.408(2H,m,4-CH2),1.317(1H,m,3-CH),1.001(4H,s,9-CH3,NH),0.925(3H,t,J1=J2=7.2Hz,β-CH3),0.835(3H,s,8-CH3),0.706(1H,d,J=9.6Hz,7-CH);δC(ppm):48.400(Cα),46.292(C2),43.971(C11),41.207(C5),39.103(C1),38.389(C6),38.052(C10),33.410(C7),27.912(C9),26.198(C4),22.959(C8),22.231(C3),15.078(Cβ)。
实施例4:
伯胺为正丙胺,其它实验方法和条件同实施例1,减压蒸馏得正丙基氢化诺卜基胺(2c,R=Pr-n),无色液体,b.p.108~109℃/200Pa,18.5g,得率88.5%,GC纯度97.8%,1.48980。
IR(vmax,cm-1):2934,2906,2876,2860(C-H),1469(CH2),1383,1366(CMe2),1128(C-N);MS(m/z,%RT):72(100),209(0.2,M+);NMRδH(ppm):2.462~2.414(4H,m,11-CH2α-CH2),2.191(1H,m,2-CH),1.899(1H,m,7-CH),1.834~1.703(6H,m,3-CH,10-CH25-CH,1-CH,NH),1.456(2H,m,4-CH2),1.375(3H,m,3-CH,β-CH2),1.051(3H,s,9-CH3),0.886(3H,s,8-CH3),0.787(4H,m,γ-CH37-CH);δC(ppm):51.900(Cα),48.615(C11),46.372(C2),41.280(C5),39.201(C1),38.479(C6),38.124(C10),33.496(C7),27.995(C9),26.285(C4),23.068(Cβ)23.051(C8),22.308(C3),11.606(Cγ)。
实施例5:
伯胺为异丙胺,其它实验方法和条件同实施例1,减压蒸馏得异丙基氢化诺卜基胺(2d,R=Pr-i),无色液体,b.p.105~106℃/200Pa,18.4g,得率88.1%,GC纯度98.3%,1.48658。
IR(vmax,cm-1):2934,2907,2866(C-H),1469(CH2),1379,1365(CMe2),1175,1121(C-N);MS(m/z,%RT):72(100),209(1.91,M+);NMRδH(ppm):2.641(1H,m,α-CH),2.429(2H,m,11-CH2),2.192(1H,m,2-CH),1.885(1H,m,7-CH),1.820~1.699(5H,m,3-CH,10-CH25-CH,1-CH),1.440(2H,m,4-CH2),1.037(4H,s,9-CH3,NH),0.906(6H,d,J=6.0Hz,2β-CH2),0.870(3H,s,8-CH3),0.741(1H,d,J=9.6Hz,7-CH);δC(ppm):48.562(Cα),46.416(C2),46.136(C11),41.304(C5),39.292(C1),38.466(C6),38.386(C10),33.496(C7),28.003(C9),26.275(C4),23.049(C8),22.820(2Cβ),22.315(C3)。
实施例6:
伯胺为正丁胺,其它实验方法和条件同实施例1,减压蒸馏得正丁基氢化诺卜基胺(2e,R=Bu-n),无色液体,b.p.144~145℃/800Pa,18.1g,得率81.2%,GC纯度99.4%,1.48898。
IR(vmax,cm-1):2977,2930,2909,2871(C-H),1467(CH2),1383,1366(CMe2),1133,1046(C-N);MS(m/z,%RT):86(100),223(0.25,M+);NMRδH(ppm):2.507(4H,m,11-CH2α-CH2),2.235(1H,m,2-CH),1.966~1.772(7H,m,7-CH,3-CH,10-CH25-CH,1-CH,NH),1.510(2H,m,4-CH2),1.391(3H,m,3-CH,β-CH2),1.266(2H,m,γ-CH2)1.112(3H,s,9-CH3),0.934(3H,s,8-CH3),0.865~0.786(4H,m,δ-CH37-CH);δC(ppm):49.758(Cα),48.794(C11),46.507(C2),41.427(C5),39.330(C1),38.560(C6),38.176(C10),33.596(C7),32.234(Cβ),28.109(C9),26.394(C4),23.152(C8),22.426(C3),20.426(Cγ),13.887(Cδ)。
实施例7:
N-烷基-N-氢化诺卜基乙酰胺类化合物(3a~3e)的合成通法
在100ml锥形瓶中,分别将合成的烷基氢化诺卜基胺(2a~2e)、三乙胺按物料比为1∶1.0~1.4(mol/mol)投料,加入适量溶剂1,2-二氯乙烷,在磁力搅拌下,以1~2滴/秒滴加与三乙胺等物质的量的乙酰氯与适量干燥过的1,2-二氯乙烷的混合液,滴加完毕后反应10~30min。
实施例8:
锥形瓶中放置2a,其它实验方法和条件同实施例7,减压蒸馏得N-甲基-N-氢化诺卜基乙酰胺(3a,R=Me),无色液体,b.p.147~148℃/200Pa,9.6g,得率86%,GC纯度98.5%,1.50708。
IR(vmax,cm-1):2977,2935,2908,2864(C-H),1648(C=O),1469(CH2),1383,1365(CMe2),1230,1162,1017(C-N);MS(m/z,%RT):44(100),223(0.75,M+);NMRδH(ppm):3.162(2H,t,11-CH2),2.797(3H,s,N-CH3),2.170(1H,m,2-CH),2.158(1H,m,7-CH),1.908(3H,s,COCH3),1.860~1.753(5H,m,10-CH25-CH,1-CH,3-CH),1.517~1.478(2H,m,4-CH2),1.304(1H,m,3-CH),1.025(3H,s,9-CH3),0.848(3H,s,8-CH3),0.725(1H,d,J=8.8Hz,7-CH);δC(ppm):169.724(C=O),49.246(C12),46.010(C2),45.881(C11),40.939(C5),38.538(C1),38.282(C6),35.797(C10),33.052(C7),27.791(C9),25.915(C4),22.921(C8),21.993(C3),20.732(Cβ)。
实施例9:
锥形瓶中放置2b,其它实验方法和条件同实施例7,减压蒸馏得N-乙基-N-氢化诺卜基乙酰胺(3b,R=Et),无色液体,b.p.151~153℃/200Pa,10.5g,得率89%,GC纯度98.7%,1.50488。
IR(vmax,cm-1):2977,2935,2905,2864(C-H),1645(C=O),1454(CH2),1374(CMe2),1282,1161,1029(C-N);MS(m/z,%RT):58(100),231(0.79,M+);NMRδH(ppm):3.202(2H,t,11-CH2),3.121(2H,m,N-CH2),2.192(1H,m,2-CH),1.908(3H,s,COCH3),1.870~1.741(6H,m,7-CH,10-CH25-CH,1-CH,3-CH),1.485(2H,m,4-CH2),1.329(1H,m,3-CH),1.035(3H,s,9-CH3),1.004(3H,t,J1=J2=7.2Hz,13-CH3),0.859(3H,s,8-CH3),0.735(1H,d,J=8.8Hz,7-CH);δC(ppm):169.725(C=O),46.944(C12),46.031(C2),42.810(C11),40.994(C5),38.541(C1),38.333(C6),35.315(C10),33.127(C7),27.814(C9),25.980(C4),22.970(C8),22.055(C3),21.134(Cβ),13.762(C13)。
实施例10:
锥形瓶中放置2c,其它实验方法和条件同实施例7,减压蒸馏得N-正丙基-N-氢化诺卜基乙酰胺(3c,R=Pr-n),无色液体,b.p.160~161℃/200Pa,11.2g,得率89.5%,GC纯度99.4%,1.50382。
IR(vmax,cm-1):2934,2899,2873(C-H),1646(C=O),1469(CH2),1379,1365(CMe2),1242,1160,1032(C-N);MS(m/z,%RT):72(100),251(1.08,M+);NMRδH(ppm):3.106(2H,t,J1=J2=8.0Hz,11-CH2),3.027(2H,t,J1=J2=7.2Hz,12-CH2),2.164(1H,m,2-CH),1.899(3H,s,COCH3),1.793(6H,m,7-CH,10-CH25-CH,1-CH,3-CH),1.508~1.400(5H,m,4-CH213-CH23-CH),1.024(3H,s,9-CH3),0.847(3H,s,8-CH3),0.753(4H,t,J1=J2=7.2Hz,13-CH37-CH);δC(ppm):169.444(C=O),49.997(C12),47.289(C11),46.177(C2),40.972(C5),38.538(C1),38.288(C6),35.118(C10),33.079(C7),27.769(C9),25.940(C4),22.918(C8),21.902(C3),21.138(Cβ),20.602(C13),10.836(C14)。
实施例11:
锥形瓶中放置2d,其它实验方法和条件同实施例7,减压蒸馏得N-异丙基-N-氢化诺卜基乙酰胺(3d,R=Pr-i),无色液体,b.p.152~154℃/200Pa,12.1g,得率96.5%,GC纯度99.2%,1.50168。
IR(vmax,cm-1):2968,2937,2905,2864(C-H),1639(C=O),1468(CH2),1381,1366(CMe2),1223,1152,1033(C-N);MS(m/z,%RT):72(100),251(1.43,M+);NMRδH(ppm):4.578(1H,m,12-CH),3.054(2H,t,11-CH2),2.262(1H,m,2-CH),1.993(3H,s,COCH3),1.883(6H,m,7-CH,10-CH25-CH,1-CH,3-CH),1.574(2H,m,4-CH2),1.430(1H,m,3-CH),1.091(6H,d,J=6.4Hz,213-CH3),1.043(3H,s,9-CH3),0.924(3H,s,8-CH3),0.795(1H,d,J=9.6Hz,7-CH);δC(ppm):169.838(C=O),49.074(C12),46.019(C2),42.812(C11),41.184(C5),39.368(C1),38.491(C6),37.006(C10),33.354(C7),27.948(C9),26.168(C4),23.037(C8),22.180(C3),21.108(Cβ),20.364(2C13)。
实施例12:
锥形瓶中放置2e,其它实验方法和条件同实施例7,减压蒸馏得N-正丁基-N-氢化诺卜基乙酰胺(3e,R=Bu-n),无色液体,b.p.164~165℃/200Pa,12.4g,得率93.5%,GC纯度99.4%,1.50166。
IR(vmax,cm-1):2933,2903,2868(C-H),1646(C=O),1454(CH2),1384,1366(CMe2),1230,1112,1032(C-N);MS(m/z,%RT):86(100),265(0.93,M+);NMRδH(ppm):3.178(4H,t,11-CH212-CH2),2.240(1H,m,2-CH),1.965(3H,s,COCH3),1.848(6H,m,7-CH,10-CH25-CH,1-CH,3-CH),1.554(2H,m,4-CH2),1.428(3H,m,3-CH,13-CH2),1.229(2H,m,14-CH2),1.083(3H,s,9-CH3),0.905(3H,s,8-CH3),0.840(4H,t,J1=J2=7.2Hz,15-CH37-CH);δC(ppm):169.569(C=O),47.351(C12),46.099(C2),45.144(C11),41.084(C5),38.651(C1),38.425(C6),35.240(C10),33.258(C7),29.693(C13),27.924(C9),26.069(C4),23.054(C8),22.141(C3),21.270(Cβ),19.975(C14),13.623(C15)。
实施例13:
N-烷基N-氢化诺卜基丙酰胺类化合物(4a~4e)的合成通法
在50ml磨口三颈烧瓶加入一定量的烷基氢化诺卜基胺(2a~2e),适量有机溶剂正庚烷和磁力搅拌子,置于磁力加热搅拌器上,并安装蒸馏装置,搅拌和加热。当温度达到80~100℃温度时,往瓶中以1~2滴/秒速度滴加丙酸酐与适量正庚烷的混合液,其中丙酸酐和烷基氢化诺卜基胺物料比为:1.0~1.4∶1(mol/mol)。反应立即发生并开始有液体被蒸出。当无液体蒸出时,再搅拌约5min,用水泵减压将残留的可蒸馏物除尽。改用减压蒸馏装置将丙酰胺产物蒸出。
实施例14:
在三颈烧瓶加入2a,其它实验方法和条件同实施例13,减压蒸馏得N-甲基-N-氢化诺卜基丙酰胺(4a,R=Me),无色液体,b.p.150~151℃/200Pa,10.4g得率87.8%,GC纯度98.9%,1.50170。
IR(vmax,cm-1):2980,2934,2908,2864(C-H),1647(C=O),1468(CH2),1375(CMe2),1190,1154,1065(C-N);MS(m/z,%RT):44(100),237(0.83,M+);NMRδH(ppm):3.223(2H,t,11-CH2),2.838(3H,s,12-CH3),2.221(3H,m,2-CH,β-CH2),1.890~1.786(6H,m,7-CH,10-CH25-CH,1-CH,3-CH),1.560~1.491(2H,m,4-CH2),1.382(1H,m,3-CH),1.060(3H,t,J1=J2=4.0Hz,γ-CH3),1.034(3H,s,9-CH3),0.899(3H,s,8-CH3),0.777(1H,d,J=9.6Hz,7-CH);δC(ppm):173.457(C=O),48.746(C12),46.671(C11),46.508(C2),41.414(C5),39.094(C1),38.758(C6),35.164(C10),33.614(C7),28.247(C9),26.846(Cβ),26.479(C4),23.390(C8),22.479(C3),9.328(Cγ)。
实施例15:
在三颈烧瓶加入2b,其它实验方法和条件同实施例13,减压蒸馏得N-乙基-N-氢化诺卜基丙酰胺(4b,R=Et),无色液体,b.p.157~158℃/200Pa,11.1g得率88.5%,GC纯度99.2%,1.50170。
IR(vmax,cm-1):2977,2935,2907,2876(C-H),1645(C=O),1466(CH2),1375(CMe2),1245,1153,1070(C-N);MS(m/z,%RT):58(100),251(0.94,M+);NMRδH(ppm):3.209(2H,q,J1=J2=J3=7.2Hz,12-CH2),3.148(2H,m,11-CH2),2.163(3H,m,2-CH,β-CH2),1.860~1.744(6H,m,7-CH,10-CH25-CH,1-CH,3-CH),1.503(2H,m,4-CH2),1.357(1H,m,3-CH),1.045~0.931(9H,m,13-CH39-CH3γ-CH3),0.864(3H,s,8-CH3),0.742(1H,d,J=9.6Hz,7-CH);δC(ppm):172.509(C=O),46.081(C2),45.980(C12),41.823(C11),41.121(C5),38.905(C1),38.349(C6),35.379(C10),33.145(C7),27.843(C9),26.090(Cβ),25.928(C4),22.978(C8),22.079(C3),13.882(C13),9.273(Cγ)。
实施例16:
在三颈烧瓶加入2c,其它实验方法和条件同实施例13,减压蒸馏得N-正丙基-N-氢化诺卜基丙酰胺(4c,R=Pr-n),无色液体,b.p.160~161℃/200Pa,11.4g得率85.6%,GC纯度99.4%,1.50164。
IR(vmax,cm-1):2965,2935,2903,2872(C-H),1646(C=O),1466(CH2),1374(CMe2),1227,1152,1072(C-N);MS(m/z,%RT):72(100),265(1.24,M+);NMRδH(ppm):3.185(2H,m,12-CH2),3.095(2H,m,11-CH2),2.227(3H,m,2-CH,β-CH2),1.889~1.807(6H,m,7-CH,10-CH25-CH,1-CH,3-CH),1.570~1.472(4H,m,4-CH213-CH2),1.370(1H,m,3-CH),1.100(3H,s,9-CH3),1.058(3H,t,J1=J2=4.0Hz,γ-CH3),0.919(3H,s,8-CH3),0.831(4H,t,J1=J2=7.2Hz,7-CH,14-CH3);δC(ppm):172.982(C=O),49.253(C12),46.530(C11),46.375(C2),41.246(C5),38.782(C1),38.489(C6),35.365(C10),33.271(C7),27.972(C9),26.129(C4),26.079(Cβ),23.121(C8),22.203(C13),22.039(C3),11.064(C14),9.422(Cγ)。
实施例17:
在三颈烧瓶加入2d,其它实验方法和条件同实施例13,减压蒸馏得N-异丙基-N-氢化诺卜基丙酰胺(4d,R=Pr-i),无色液体,b.p.162~163℃/200Pa,11.8g得率89.1%,GC纯度99.3%,1.50062。
IR(vmax,cm-1):2974,2936,2904,2873(C-H),1643(C=O),1468(CH2),1366(CMe2),1224,1148,1071(C-N);MS(m/z,%RT):72(100),265(0.67,M+);NMRδH(ppm):4.557(1H,m,12-CH),2.967(2H,m,11-CH2),2.241(3H,m,2-CH,β-CH2),1.925~1.799(6H,m,7-CH,10-CH25-CH,1-CH,3-CH),1.551(2H,m,4-CH2),1.423(1H,m,3-CH),1.085~1.006(12H,m,γ-CH39-CH3,213-CH3),0.906(3H,s,8-CH3),0.782(1H,d,J=9.6Hz,7-CH);δC(ppm):173.041(C=O),47.752(C12),45.963(C2),41.962(C11),41.139(C5),39.618(C1),38.919(C6),37.044(C10),33.325(C7),27.961(C9),26.610(Cβ),26.242(C4),23.014(C8),22.140(C3),20.337(2C13),9.405(Cγ)。
实施例18:
在三颈烧瓶加入2e,其它实验方法和条件同实施例13,减压蒸馏得N-正丁基-N-氢化诺卜基丙酰胺(4e,R=Bu-n),无色液体,b.p.169~170℃/200Pa,12.0g得率86.0%,GC纯度99.2%,1.49952。
IR(vmax,cm-1):2934,2903,2872(C-H),1646(C=O),1467(CH2),1374(CMe2),1208,1152,1074(C-N);MS(m/z,%RT):86(100),279(0.78,M+);NMRδH(ppm):3.170~2.890(4H,m,12-CH211-CH2),2.058(3H,m,2-CH,β-CH2),1.860~1.580(6H,m,7-CH,10-CH25-CH,1-CH,3-CH),1.480~1.190(5H,m,4-CH23-CH,13-CH2),1.100~0.670(15H,m,9-CH38-CH314-CH2γ-CH37-CH,15-CH3);δC(ppm):172.342(C=O),47.016(C12),45.889(C2),45.033(C11),40.934(C5),38.723(C1),38.136(C6),35.054(C10),33.000(C7),29.486(C13),27.646(C9),25.823(C4),25.680(Cβ),22.783(C8),21.774(C3),19.580(C14),13.345(C15),9.095(Cγ)。

Claims (1)

1.一种合成烷基氢化诺卜基胺及其乙(丙)酰化化合物的方法,其特征在于:所述合成方法包括以下步骤:
1)以氢化诺卜基氯(1)为原料,在有机溶剂无水乙醇中,分别与甲胺、乙胺、正丙胺、异丙胺或正丁胺按物料摩尔比为:1∶1.6~2.2投料于水热合成反应釜中,密封后置于加热器中,80~120℃加热进行反应10~24h,反应后产物经纯化,合成得到了5种烷基氢化诺卜基胺类化合物;
2)分别以合成的5种烷基氢化诺卜基胺为原料,常温常压下,在有机溶剂1,2-二氯乙烷中,与乙酰氯、三乙胺按物料摩尔比为:1∶1.0~1.4∶1.0~1.4投料于锥形瓶中,进行N-酰化反应0.5~1h,合成得到了5种N-烷基-N-氢化诺卜基乙酰胺类化合物;
3)分别以合成的5种烷基氢化诺卜基胺为原料,常压下,在脱酸剂正庚烷中,与丙酸酐按物料摩尔比为:1∶1.0~1.4投料于三口烧瓶中,加热至80~100℃进行N-酰化反应,合成得到了5种N-烷基-N-氢化诺卜基丙酰胺类化合物;
其反应如下式所示:
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