新型醚键连接的杂环功能基杯[4]芳烃衍生物的合成及结构

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2010年第30卷 第8期,1212 ̄1219 有机化学 Chinese Journal ofOrganic Chemistry Vo1.30,2010 No.8,1212 ̄1219 ・研究论文・ 新型醚键连接的杂环功能基杯【4】芳烃衍生物的合成及结构 赵邦屯 王成斌6 吴圣江6 冶保献 洛阳师范学院化学系洛阳471022) ( 郑州大学化学系郑州450001) 摘要 以碘化钠为催化剂,在氢氧化钠存在下2.氯乙氧基乙醇分别与2.巯基芳香杂环化合物反应制得相应的芳香杂环 衍生物ladle.以三乙胺为缚酸剂,其与对甲苯磺酰氯反应,生成了活化羟基的衍生物2a ̄2e.在碳酸钾存在下,对叔 丁基杯[4】芳烃分别与2a ̄2e反应生成醚键连接的杂环功能基杯[4】芳烃衍生物3a ̄3e,并通过 H NMR,”C NMR,IR, MS和元素分析的确证.同时,x射线分析确定了杯[4]芳烃3a,3b和3d的晶体结构. 关键词杯[4】芳烃;2-巯基芳香杂环化合物;合成;晶体结构 Synthesis and Structures of P—tert-Butylcalix[4]arene Derivatives Containing Heterocycle Functional Groups Tethered by Ether Bridges Zhao,Bangtun ’。 Wang,Chengbin Wu,Shengjiang Ye,Baoxian ' (。Departmen ̄t ofChem ̄try,Luoyang Normal University,Luoyang 471022) ( DepartmentofChemistry,Zhengzhou University,Zhengzhou450001) Abstract Five 2一f2一heterocycle一2一ylthioethoxy)ethanols la~le were prepared by the reaction of 2一(2-chloroethoxy)ethanol and 2-mercapto—heterocycles using sodium iodide as catalyst.Consequently,the compounds ladle reacted with tosyl chloride to afford corresponding tosylates 2a ̄2e.A series of P—tert-butylcalix[4]arene derivatives 3a ̄3e which contain heterocycle functional groups tethered by ether bridges were easily synthesized by the reaction of p—tert-butylcalix[4]arene with tosylated 2a ̄2e in the presence of potassium carbonate,respectively.All new compounds were characterized by H NMR,”C NMR,IR,MS techniques and elemental analysis.Meanwhile,the structures of calix[4]arene derivatives 3a, 3b and 3d were identified by X—ray diffraction analysis. Keywords calix[4]arene;2-mercapto—heteroaromatic compound;synthesis;crystal structure 杯芳烃是继冠醚、环糊精之后第三代大环主体化合 物,其具有大小可调的疏水空腔、上缘和下缘都易于衍 生化的特点【l ̄3J.三十年来,杯芳烃衍生物在分子识别、 分子组装、酶模拟、化学传感器、纳米材料等领域得到 了广泛的研究和应用 Ⅲj.为拓展杯芳烃的应用,目前 的研究重点之一是杯芳烃的功能化修饰.我们曾经将噻 E-mail:zbt@lynu.edu.ca Received February 10,2010;revised April 1 1,2010;accepted May 14,2010 国家自然科学基金(Nos.20872058,20775073) ̄助项目. 二唑基团引入到杯[4】芳烃的下缘,合成了对过渡金属 离子具有良好识别性能的杯[4]芳烃衍生物[11,12].为了 考察杂环基团以及杯芳烃与杂环功能基之间连接基对 识别行为的影响,我们设计合成了通过醚键连接的新型 含杂环功能基的杯芳烃衍生物,合成路线见Scheme 1.

 N0.8 赵邦屯等:新型醚键连接的杂环功能基杯[4】芳烃衍生物的合成及结构 1213 

1 实验部分 (1)Nal/Acetone ct/\/。\/\。H \/\o/\/OH 0ry C H2CI2 R \/\o ̄ s f2)NaoH,RSH — V reflux r.t. 85% 93% 1 56%一68% 2 OH OH reflux /。 … N—N N—N 厂N R Me s b: s c: s d Scheme1 1.1仪器和试剂 Bruker DPX 400核磁共振仪;Bruker Esquire 3000 离子阱电喷雾质谱仪:Nicolet Avata 350型红外分光光 度计;Carlo.Erba 1 106元素分析仪;XT4A显微熔点测定 仪,温度未校正.2.氯乙氧基乙醇、2.巯基芳香杂化化合 物和对甲基苯磺酰氯等为化学纯,其余溶剂和试剂为分 析纯,使用时按标准无水干燥方法处理.对叔丁基杯[4】 芳烃参照文献[13】合成. 1.2中间体的合成 1.2.1化合物1的合成 2一[2.(5.甲基一1,3,4-噻二唑一2一硫代)乙氧基]乙醇(1a) 的合成:将Nal(1.20 g,8 mmo1) ̄H 2-氯乙氧基乙醇(0.95 g,0.8 mL,7.6 retoo1)溶于无水丙酮(30 mL)中,加热搅拌 0.5 h,然后加入5.甲基.2一巯基-1,3,4一噻二唑(1.0 g,7.6 mmo1)¥I]NaOH(0.32 g,8 mmo1),在N2保护下搅拌回流 20 h.旋转蒸发除去溶剂,向残余物中加入稀HC1(0.1 mol・dm-3)和CHC13(50 mL),分液,水洗有机相至中性. 无水Na2SO 干燥,过滤,旋转蒸发除去溶剂,柱色谱分 离纯化[V(petroleum ether):V(ethyl acetate)=1:2]得到 浅黄色液体1a,产率90%. H NMR(CDC13,400 MHz) : 3.85(t, :6.0 Hz,2H,OCH2CH2S),3.74(t,J=4.4 Hz, 2H,OCH2CH2OH),3.61(t,J=4.6 Hz,2H,OCH2CH2一 OH),3.53(t, =6.1 Hz,2H,SCH2CH2O),2.72(s,3H, CH3),2.20(S,1H,0H);ESI—MS m/z:242.95(M+Na)。. 2.[2一(1,3,4.噻二唑一2一硫代)乙氧基]乙醇(1b)的合成: 仿1a的方法制得lb,产率92%. H NMR(CDC13,400 N 一 e S MHz) :9.04(s,1H,CH),3.90(t,J=6.0 Hz,2H, OCH2CH2S),3.75(t,J=4.5 Hz,2H,OCH2CH2OH), 3.60~3.64(m,4H,CH2OCH2),2.41(s,1H,0H);ESI—MS m/z:207.08(M+H) . 2一[2.(1,3.噻唑.2一硫代)乙氧基]乙醇(1c)的合成:仿 la的方法制得1c,产率85%. H NMR(CDC13,400 MHz) :4.20(t,_,:6.1 Hz,2H,OCH2CH2S),3.72~3.77 (m,4H,OCH2CH2OH),3.59(t,J=4.5 Hz,2H,SCI-][2一 CH20),3.39(t, =8.0 Hz,2H,SCH2CH2N),3.32(t, = 6.3 Hz,2H,NCH2CH2S),2.52(s,1H,0H);ESI—MS m/z: 208.10(M+H) . 2一[2一(苯并噻唑-2一硫代)乙氧基]乙醇(1d)的合成:仿 la的方法制得ld,产率为93%. H NMR(CDCI3,400 MHz) :7.86(d, =8.0 Hz,1H,ArH),7.74(d, =7.8 Hz, 1H,ArH),7.42(t, 一7.3 Hz,1H,ArH),7.29(t, =7.6 Hz,lH,ArH),3.89(t, 一6.2 Hz,2H,OCHzCH2S),3.75 (t,J=4.6 Hz,2H,OCH2CH2OH),3.64(t,J=4.5 Hz,2H, OCH2CH2OH),3.59(t, =6.2 Hz,SCH2CH20),2.27(S, IH,0H1;ESI.MS m/z:278.09(M+Na) . 2一【2.(苯并嗯噻唑.2.硫代)乙氧基]乙醇(1e)的合成: 仿la的方法制得1e,产率85%. H NMR(CDC13,400 MHz) :7.58(d, =7.6 Hz,1H,ArH),7.40(d, =7.6 Hz, 1H,ArH),7.20~7.30(m,2H,ArH),3.87(t, :6.0 Hz, 2H,OCH2CH2S),3.73(t,J=4.0 Hz,2H,OCH2CH2OH), 3.62(t,J=4.0 Hz,2H,OCH2CH2OH),3.51(t, =6.2 Hz, 2H,SCH2CH20),3.06(s,1 H,oH);ESI—MS m/z:262.08 (M+Na) .

 l2l4 有机化学 、,oJ.30.2010 1.2.2化合物2的合成 2.[2.(5一甲基.1,3,4.噻二唑.2.硫代)乙氧基]乙基对甲 苯磺酸酯(2a)的合成:将化合物1a(2.2 g,10 mmo1)和 TsC1(1.9 g,10 mmo1)溶于干燥的CH2C12(30 mE)中,搅 拌0.5 h.在冰浴和N2条件下滴加三乙胺(1.4 mL,10 mmo1), 15 min加完.室温搅拌反应20 h,向溶液中加 入稀HCI(0.1 mol・dm-3),分液,水洗有机层至中性,无 水Na2SO 干燥,过滤,旋转蒸发除去溶剂,得粗产品. 柱色谱分离纯化[V(petroleum ether):Y(ethyl acetate): 1:1]得棕黄色液体2a,产率56%. H NMR(CDCI3,400 MHz) :7.79(d, =8-3 Hz,2H,ArH),7.34(d, :7.9 Hz, 2H,ArH),4.16(t,J=4.6 Hz,2H,SCH2CH2OTs),3.76(t, J=6.2 Hz,2H,OCH2CH2OTs),3.68(t,J=4.7 Hz,2H, SCH2CH20),3.41(t,,一6.2 Hz,2H,SCH2CH20),2.72(s, 3H,CH3),2.45(s,3H,ArCH3);ESI—MS m/z:396.96(M+ Na1 . 2.[2.(1,3,4.噻二唑一2.硫代)乙氧基】乙基对甲苯磺酸 酯(2b)的合成:仿2a的方法制得2b,产率56%. H NMR (CDCI3,400 MHz) :9.05(s,1H,CH),7.79(d, :8-3 Hz, 2H,ArH),7.35(d, =8.2 Hz,2H,ArH),4.16(t,J=4.6 Hz,2H,OCH2CH2OTs),3.78(t, =6.1 Hz,2H,OCH2. CH2OTs),3.68(t,J=4.6 Hz,2H,SCH2CH20),3.48(t, =6.1 Hz,2H,SCH2CH2O),2.44(s,3H,ArCH3);ESI—MS m/z:383.02(M+Na) . 2.[2.(1,3.噻唑.2.硫代)乙氧基】乙基对甲苯磺酸酯 (2e)的合成:仿2a的方法制得2c,产率68%. H NMR (CDC13,400 MHz) :7.80(d, =8.2 Hz,2H,ArH),7.34 (d, =8.1 Hz,2H,ArH),4.14~4.21(m,4H,0CH2. CH2OTs),3.63~3.67(m,4H,SCH2CH20),3.38(t,t,=7.9 Hz,2H,SCH2CH2N),3.20(t,J=6.4 Hz,2H,SCH2CH2N), 2.45(s,3H,ARCH3);ESI—MS m/z:362.03(M+H) . 2.[2.(苯并噻唑.2.硫代)乙氧基]乙基对甲苯磺酸酯 (2d)的合成:仿2a的方法制得2d,产率66%. H NMR (CDCI3,400 MHz) :7.84(d,_,=8.2 Hz,1 H,ArH),7.79 (d, =8.3 Hz,2H,ArU),7.74(d, =7.9 Hz,1H,ArE), 7.40(t, =7.2 Hz,2H,Arn),7.27~7.32(m,2H,ArH), 4.18(t,J=4.8 Hz,2H,OCHzCH2OTs),3.78(t,J=6.3 Hz, 2H,OCH2CH2OTs),3.70(t,J=4.7 Hz,2H,SCH2CH20), 3.47(t,J=6.3 Hz,2H,SCH2CH2O),2.41(s,3H,ArCH3); ESI-MS m/z:432.05(M+Na) . 2一[2.(苯并嗯唑.2.硫代)乙氧基]乙基对甲苯磺酸酯 (2e)的合成:仿2a的方法制得2e,产率56%. H NMR (CDC13,400 MHz) :7.79(d, 一8.0 Hz,2H,ArH),7.58 (d,.,=7.2 Hz,1H,ArH),7.43(d,I,=7.6 Hz,1H,ArH), 7.22~7.28(m,4H,ArH),4.18(t,J=4.6 Hz,2H,OCH2. CH2OTs),3.80(t, =6.2 Hz,2H,OCH2CH2OTs),3.71(t, .,一4.6 Hz,2H,SCH2CH2O),3.42(t, =6.0 Hz,2H, SCH2CH20),2.42(s,3H,ARCH3);ESI-MS m/z:394.07 (M+H) . 1.3醚键连接的杯【4】芳烃衍生物3的合成 25,27一二{2-[2一(5-甲基-1,3,4一噻二唑.2一硫代)乙氧基] 乙氧基}一26,28.二羟基.5,l1,17,23.四叔丁基杯[4]芳烃 (3a)的合成:在圆底烧瓶中加入对叔丁基杯[4】芳烃(1.1 g,1.7 mmo1)、无水K2CO3(0.25 g,1.8 mmo1) ̄la无水乙腈 (20 mE),在N2保护下搅拌0.5 h.然后将溶有化合物2a (1.1 g,2.94 mmo1)的无水乙腈(10 mE)逐滴加入,搅拌回 流36 h.旋转蒸发除去溶剂,向残余物中加入稀HC1 (0.1 mol・dm )和CHC13(50 mE),分液,水洗有机层至 中性,无水Na:SO 干燥,过滤,旋转蒸发除去溶剂,得 粗产品.柱色谱分离纯化[V(petroleum ether):V(ethyl acetate)=1:11得浅黄色粉末3a,产率58%.m.P. 125.7 ̄126.8℃; H NMR(CDCI3,400 MHz) :7.20(s, 2H,ArOH),7.03(s,4H,ArH),6.77(s,4H,ArH),4.34(d, 一13.0 Hz,4H,ArCH2Ar),4.15(t,L,:4.6 Hz,4H, AIOCH2CH20),4.04(t,J=6.2 Hz,4H,ArOCH2CH20), 3.99(t,J=4.5 Hz,4H,OCH2CH2S),3.60(t, =6.2 Hz, 4H,OCH2CH2S),3.27(d, 一13.1 Hz,4H,ArCH2Ar), 2.66(s,6H,CH3),1.29[s,1 8H,C(CH3)3],0.94[s,1 8H, C(CH3})3】;”c NMR(CDC13,125 MHz) :1 65.6,】64.9, 150.6,149.7,146.8,141.2,132.6,127.8,125.5,125.0, 75.2,69.9,69.6,33.8,33.7,31.7,31.5,31.0,15.5;IR (KBr)v:3376,2958,2902,2869,1594,1484,1456,1384, 1361,1296,l 198,1 122,1094,1068,1035,918,872,815, 783 cm一;ESI.MS m/z:1091.8 fM+K1 .Ana1.calcd for C58H76N406S4:C 66.12,H 7.22,N 5-32,S 12.17;found C 66.24,H 7.36,N 5.45,S 12.01. 25,27一二{2-【2-(1,3,4一噻二唑-2-硫代)乙氧基]乙氧 基}一26,28.二羟基一5,1 1,17,23.四叔丁基杯[4]芳烃(3b)的 合成:仿3a的方法制得3b,产率56%.m.P.103.9~ 104.8℃; H NMR(CDC13,400 MHz) :8.92 fs,1H, CH),7.1 5(s,2H,ArOH),7.05(s,4H,ArH),6.76(s,4H, ArH),4.33(d, =13.0 Hz,4H,ArCH2Ar),4.15(t,J=4.4 Hz,ArOCH2CH20),4.07(t,J=6.0 Hz,ArOCH2CH20), 3.98(t,J=4.5 Hz,4H,OCH2CH2S),3.67(t,J=6.0 Hz, 4H,OCH2CH2S),3.27(d, 一13.0 Hz,4H,ArCH2Ar), 1.29[s,18H,C(CH3)3],0.94[s,18H,C(CH3) ;”C NMR (CDC13,125 MHz) :151.3,150.6,149.7,146.8,141.3, 132.6,】27.8,125.5,125.0,75.2,69.9,69.6,34.0,33.9, 33.8,31.7,31.5,31.4,31.0;IR(KBr)v:3371,3078,2952, 2899,2867,1482,1456,1358,1295,1200,l 122,1095,