CN104177241B - 一种炔基二酮类化合物及其合成方法 - Google Patents

一种炔基二酮类化合物及其合成方法 Download PDF

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CN104177241B
CN104177241B CN201410284392.9A CN201410284392A CN104177241B CN 104177241 B CN104177241 B CN 104177241B CN 201410284392 A CN201410284392 A CN 201410284392A CN 104177241 B CN104177241 B CN 104177241B
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CN104177241A (zh
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姜雪峰
张泽光
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East China Normal University
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Abstract

本发明公开了一种式(II)所示的炔基二酮类化合物的合成方法,是在甲苯中,90℃下,以α羟基酮与端炔为反应原料,以氧气为氧化剂,在铜催化剂的作用下,反应得到炔基二酮类化合物。本发明优点包括:反应高效,收率较高;氧气作为氧化剂;反应条件温和,无需强酸强碱;廉价金属催化;反应底物容易制备;反应放大后也可以实现。

Description

一种炔基二酮类化合物及其合成方法
技术领域
本发明属于有机化合物工艺应用技术领域,具体涉及一类炔基二酮类化合物及其绿色合成方法。
背景技术
炔基二酮是具有密集官能团的亲电体。利用其1,2-二羰基的结构,它可以通过多种途径向一系列杂环转化。尽管其合成潜力非常巨大,但人们对它的探究相对较少。主要原因在于缺少普遍而实用的构建炔基二酮结构的方法。由于加成选择性难以控制,很难采用炔基金属试剂直接加成后再对产物进行氧化的策略来构建。炔基二酮化合物合成的常见方法是采用预先制备或是现场生成的酰氯和炔铜进行Stephens-Castro偶联的方法来实现。由于酰氯的毒性及敏感性,这类策略依然存在一些共同的缺陷。
寻找一种简单、绿色、高效廉价、兼容性好、环境友好、条件温和和经济适用的构建炔基二酮化合物的新方法便显得尤其重要。本发明人经研究发现α羟基酮是一类独特的化合物,在羰基的α位极易形成自由基进而发生与端炔化合物的氧化偶联反应。鉴于此,本发明设计了铜催化氧气氧化的以α羟基酮和端炔为原料制备炔基二酮化合物的反应。
发明内容
本发明克服了传统酰氯偶联反应的诸多缺点,创新性地实现一种高效构建炔基二酮化合物的方法。本发明使用廉价铜试剂催化剂,以α羟基酮化合物、端炔为原料,以氧气为氧化剂,在反应溶剂中于90℃下有效地实现了相应转化,制备得到如式(II)所示的炔基二酮化合物。
其中,所述反应过程如以下反应式所示。
以上反应式中,
Ar是苯环、杂环、取代苯环、或取代杂环。R是直链烷基、支链烷基、环状烷基、芳基、或含芳基烷基。
优选地,Ar是苯基,2-噻吩基,2-呋喃基。优选地,R是
优选地,Ar是4-甲酸甲酯苯基、4-甲氧基苯基、4-硝基苯基、联苯基、2-甲基苯基、3- 甲基苯基、4-甲基苯基、4-氟苯基、4-氯苯基、4-溴苯基、4-碘苯基、1-萘基、2-萘基、3-噻吩基、2-苯并呋喃基、2-苯并噻吩基、5-(2,3-二氢苯并呋喃基)。
优选地,R是
本发明中,Ar、R包括但不仅仅局限于上述基团。
如以上反应式,本发明利用式(I)所示的α羟基酮和端炔作为起始原料,以氧气作为氧化试剂,在铜试剂催化剂的作用下,在反应溶剂中进行反应,合成如式(II)所示的炔基二酮化合物。
本发明中,所述起始原料如式(I)所示的α羟基酮(底物1)和端炔的摩尔用量比例为1∶1-1∶15。优选地,两者用量比例为1∶5。
本发明中,以氧气为氧化试剂。
本发明中,所述铜催化剂是CuSO4,CuSO4·5H2O,Cu(OAc)2,Cu(NO3)2,Cu(TFA)2,Cu(OTf)2,CuCl2,CuBr2,Cu(acac)2,CuO,CuOAc,CuI,CuBr,CuCl,CuTc,Cu等。优选地,所述铜催化剂是CuTc。其中,所述催化剂的用量为如式(I)所示的原料α羟基酮化合物(底物1)的1-10mol%。优选地,所述催化剂用量为如式(I)所示的原料α羟基酮化合物的10mol%。
本发明中,所述反应溶剂是甲醇、乙醇、异丙醇、叔丁醇、水、DMSO、DMF、DMA、乙腈、丙酮、四氢呋喃、甲苯、二氯甲烷、1,2-二氯乙烷、氯仿之任意一种或任意组合。优选地,所述溶剂为甲苯。
本发明合成反应包括以下步骤:(1)在反应容器中加入α羟基酮化合物、铜催化剂、溶剂,在氧气氛围中,在室温至回流条件下搅拌反应;(2)向步骤(1)得到的反应体系中加入端炔,在氧气氛围中,在室温至回流条件下搅拌反应,得到式(II)所示的炔基二酮类化合物。优选地,步骤(1)在90℃温度下进行反应。优选地,步骤(2)在90℃温度下进行反应。
在一个具体实例中,本发明合成反应是在反应瓶A中,加入α羟基酮化合物(Xmmol),催化剂CuTC(Z mmol),溶剂(V mL),反应体系在氧气氛围中,在90℃下搅拌2小时;之后,向反应体系中加入端炔(式I,W mmol),反应体系在氧气氛围中,在90℃的条件下,搅拌4-24小时。监测反应进程。反应完毕后,直接经柱层析分离得到目标产物式(2)所示的炔基二酮化合物。
本发明还提出了按照本发明上述合成方法制备得到的如式(II)所示的炔基二酮化合物,
其中,Ar是苯环、杂环、取代苯环、或取代杂环;R是直链烷基、支链烷基、环状烷基、芳基、或含芳基烷基。
优选地,Ar是苯基,2-噻吩基,2-呋喃基;R是
优选地,Ar是4-甲酸甲酯苯基、4-甲氧基苯基、4-硝基苯基、联苯基、2-甲基苯基、3-甲基苯基、4-甲基苯基、4-氟苯基、4-氯苯基、4-溴苯基、4-碘苯基、1-萘基、2-萘基、3-噻吩基、2-苯并呋喃基、2-苯并噻吩基、5-(2,3-二氢苯并呋喃基);R是
本发明还提出了新的炔基二酮化合物,其结构式如式(II)所示,
其中,Ar是4-甲酸甲酯苯基、4-甲氧基苯基、4-硝基苯基、联苯基、2-甲基苯基、3-甲基苯基、4-甲基苯基、4-氟苯基、4-氯苯基、4-溴苯基、4-碘苯基、1-萘基、2-萘基、3-噻吩基、2-苯并呋喃基、2-苯并噻吩基、5-(2,3-二氢苯并呋喃基)等;R是 等。
本发明具有以下优点:利用价廉金属催化;反应底物容易制备;反应高效,收率高;氧气作为氧化剂,廉价,绿色,对环境友好;反应条件温和,无需强酸强碱:催化剂为廉价金属,经济;反应放大后也可以实现;反应底物容易制备。本发明以容易制备的α羟基酮化合物为反应原料,以氧气做为硫化试剂,在廉价铜试剂催化剂作用下,与端炔进行氧化偶联反应得到炔基二酮化合物。反应操作简单,反应条件温和,适合大规模工业化生产。
具体实施方式
结合以下具体实施例,对本发明作进一步的详细说明,本发明的保护内容不局限于以下实施例。在不背离发明构思的精神和范围下,本领域技术人员能够想到的变化和优点都被包括在本发明中,并且以所附的权利要求书为保护范围。实施本发明的过程、条件、试剂、实 验方法等,除以下专门提及的内容之外,均为本领域的普遍知识和公知常识,本发明没有特别限制内容。以下实施例所给出的数据包括具体操作和反应条件及产物。产物纯度通过核磁鉴定。
本发明炔基二酮化合物的合成反应,包括以下步骤:(1)在反应容器中加入α羟基酮、铜催化剂、溶剂,在氧气氛围中,在室温至回流条件下搅拌反应;(2)向步骤(1)得到的反应体系中加入式(I)所示的端炔,在氧气氛围中,在室温至回流条件下搅拌反应,得到式(II)所示的炔基二酮类化合物。再经柱层析分离得到目的产物。
其中,如表1所示的炔基二酮化合物,均为通过本发明方法合成得到的产物,尚未见有公开文献揭示这些化合物。本发明这类炔基二酮化合物可以转化成二取代呋喃类化合物,包括以下步骤:(1)在反应容器中加入炔基二酮化合物、硼氢化钠、溶剂,在室温至回流条件下反应;得到式(III)所示的炔基二醇类化合物。再经柱层析分离得到目的产物;(2)在反应容器中加入炔基二醇化合物、催化剂、溶剂,在室温至回流条件下反应;得到式(IV)所示的二取代呋喃类化合物。再经柱层析分离得到目的产物。
这类炔基二酮化合物可以转化成多取代二氢呋喃类化合物,包括以下步骤:(1)在反应容器中加入炔基二酮化合物、催化剂、醇、溶剂,在室温至回流条件下反应;得到式(V)所示的二氢呋喃类化合物。再经柱层析分离得到目的产物。
这类炔基二酮化合物可以转化成吡唑类化合物,包括以下步骤:(1)在反应容器中加入炔基二酮化合物、肼、溶剂,在室温至回流条件下反应;得到式(VI)所示的吡唑类化合物。再经柱层析分离得到目的产物。
这类炔基二酮化合物可以转化成喹喔啉类化合物,包括以下步骤:(1)在反应容器中加入邻苯二胺、溶剂,在室温至回流条件下反应;得到式(VII)所示的喹喔啉类化合物。再经柱层析分离得到目的产物。
表1 本发明的新的炔基二酮化合物
实施例1
化合物1ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和α羟基苯乙酮1a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入苯乙炔1b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应4小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物1ab(洗脱剂极性: 石油醚/乙酸乙酯10∶1)。收率:85%;1H NMR(400MHz,CDCl3)δ8.08(dd,J=8.3,1.1Hz,2H),7.72-7.62(m,J=8.5,4.4Hz,3H),7.56-7.47(m,3H),7.41(t,J=7.6Hz,2H);13C NMR(100MHz,CDCl3)δ188.4,178.5,134.9,133.6,131.7,131.5,130.5,128.9,128.7,119.1,99.1,87.0;IR(film)2188,1656,1595,1447,1245,1106,922,758,684cm-1.MS(EI)m/z234(M+);HRMS(EI)Calcd for C16H10O2234.0681,Found234.0682。
实施例2
化合物2ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和4-甲酸甲酯-(α羟基苯乙酮)的合成2a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入苯乙炔1b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应4小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物2ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:6l%;1H NMR(400MHz,CDCl3)δ8.20-8.11(m,4H),7.70-7.63(m,2H),7.54-7.48(m,1H),7.41(t,J=7.5Hz,2H),3.96(s,3H);13C NMR(100MHz,CDCl3)δ187.5,177.4,165.9,135.2,134.9,133.7,131.8,130.4,129.9,128.8,119.0,99.7,86.9,52.6;IR(film)2986,2903,2190,1725,1659,1573,1489,1438,1407,1278,1236,1193,1101,1067,924,870,777,758,689cm-1.HRMS(ESI)Calcd forC18H12O4[M+NH4]+310.1074,Found310.1074。
实施例3
化合物3ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和4-甲氧基-(α羟基苯乙酮)3a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入苯乙炔1b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应6小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物3ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:67%;1H NMR(400MHz,CDCl3)δ8.11-8.05(m,2H),7.67-7.61(m,2H),7.49(t,J=7.5Hz,1H),7.39(t,J=7.5Hz,2H),7.02-6.96(m,2H),3.89(s, 3H);13C NMR(100MHz,CDCl3)δ187.0,179.0,165.1,133.6,133.0,131.5,128.7,124.5,119.3,114.3,98.5,87.2,55.6;IR(film)2972,2193,1655,1596,1573,1510,1490,1443,1423,1309,1252,1175,1105,1026,925,848,810,791,758,689cm-1.HRMS(EI)Calcd for C17H12O3264.0786,Found264.0790。
实施例4
化合物4ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和4-硝基-(α羟基苯乙酮)4a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入苯乙炔1b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应6小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物4ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:56%;1H NMR(400MHz,CDCl3)δ8.39-8.33(m,2H),8.32-8.26(m,2H),7.7l-7.66(m,2H),7.57-7.5l(m,1H),7.44(t,J=7.6Hz,2H);13CNMR(100MHz,CDCl3)δ185.9,176.3,151.1,136.4,133.8,132.1,131.6,128.9,123.9,118.9,100.5,86.8;IR(film)2986,2903,2192,1740,1665,1602,1527,1490,1447,1375,1348,1246,1076,1047,928,855,803,761,720,690cm-1.HRMS(EI)Calcd forC16H9NO4279.0532,Found279.0536。
实施例5
化合物5ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和4-苯基-(α羟基苯乙酮)5a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入苯乙炔1b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应4小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物5ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:86%;1H NMR(400MHz,CDCl3)δ8.18(d,J=8.6Hz, 2H),7.75(d,J=8.6Hz,2H),7.66(dd,J=8.2,6.9Hz,4H),7.56-7.46(m,3H),7.46-7.36(m,3H);13C NMR(100MHz,CDCl3)δ187.9,178.5,147.5,139.4,133.6,131.7,131.1,130.3,129.0,128.7,128.6,127.5,127.3,119.2,99.1,87.1.IR(film)2986,2189,1717,1657,1599,1485,1446,1405,1252,1200,1106,1023,1004,921,854,784,754,736,686cm- 1.HRMS(ESI)Calcd for C22H14O2[M+H]+311.1067,Found311.1067。
实施例6
化合物6ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和2-甲基-(α羟基苯乙酮)6a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入苯乙炔1b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应4小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物6ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:64%;1H NMR(400MHz,CDCl3)δ7.75(d,J=7.4Hz,1H),7.65(d,J=7.1Hz,2H),7.50(t,J=7.5Hz,2H),7.41(t,J=7.6Hz,2H),7.32(t,J=7.3Hz,2H),2.62(s,3H);13C NMR(100MHz,CDCl3)δ191.0,179.1,141.3,133.6,133.6,132.3,132.3,131.6,130.8,128.7,125.8,119.3,99.2,86.9,21.5;IR(film)2972,2903,2185,1656,1599,1571,1488,1444,1382,1284,1236,1142,1090,922,809,757,687cm- 1.HRMS(ESI)Calcd for C17H12O2[M+H]+249.0910,Found249.0911。
实施例7
化合物7ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和3-甲基-(α羟基苯乙酮)7a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入苯乙炔1b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应5小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物7ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:71%;1H NMR(400MHz,CDCl3)δ7.87(s,2H),7.64(d,J=8.0Hz,2H),7.54-7.46(m,2H),7.40(t,J=7.4Hz,2H),2.43(s,3H);13C NMR(100MHz,CDCl3)δ188.8,178.8,138.9,135.7,133.6,131.6,131.5,130.8,128.8,128.7,127.8,119.2,99.0,87.0,21.3;IR(film)2985,5191,1659,1445,1257,1105,957,758,686cm-1.HRMS(ESI)Calcd for C17H12O2[M+H]+249.0910,Found249.0912。
实施例8
化合物8ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和4-甲基-(α羟基苯乙酮)8a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入苯乙炔1b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应6小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物8ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:73%;1H NMR(400MHz,CDCl3)δ7.98(d,J=7.9Hz,2H),7.64(d,J=7.7Hz,2H),7.49(t,J=7.4Hz,1H),7.40(t,J=7.5Hz,2H),7.32(d,J=7.9Hz,2H),2.44(s,3H);13C NMR(100MHz,CDCl3)δ188.1,178.8,146.2,133.6,131.6,130.6,129.7,129.1,128.7,119.2,98.8,87.1,21.9;IR(film)2986,2903,2192,1658,1604,1572,1489,1444,1409,1301,1251,1183,1106,1069,925,841,781,757,688cm-1.HRMS(ESI)Calcd for C17H12O2[M+H]+249.0910,Found249.0909。
实施例9
化合物9ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和4-氟-(α羟基苯乙酮)9a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌1.5小时。然后向反应体系中加入苯乙炔1b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应5小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物9ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:81%;1H NMR(400MHz,CDCl3)δ8.15(dd,J=8.4,5.6Hz,2H),7.65(d,J=7.6Hz,2H),7.51(t,J=7.5Hz,1H),7.41(t,J=7.6Hz,2H),7.20(t,J=8.5Hz,2H);13C NMR(100MHz,CDCl3)δ186.5,177.9,166.8(d,J=256.1Hz),133.7,133.4(d,J=9.7Hz),131.7,128.7,128.1(d,J=2.9Hz),119.1,116.3(d,J=22.0Hz),99.2,87.0;19F NMR(376MHz,CDCl3)δ-101.13(s,1F);IR(film)2986,2902,2191,1739,1657,1596,1505,1444,1411,1300,1240,1158,1106,1068,924,853,819,792,758,687cm-1.HRMS(ESI)Calcd for C16H9FO2[M+H]+253.0659,Found253.0648。
实施例10
化合物10ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和4-氯-(α羟基苯乙酮)10a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌1.5小时。然后向反应体系中加入苯乙炔1b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应5小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物10ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:70%;1H NMR(400MHz,CDCl3)δ8.05(d,J=8.7Hz,2H),7.65(d,J=7.1Hz,2H),7.55-7.46(m,3H),7.41(t,J=7.6Hz,2H);13C NMR(100MHz,CDCl3)δ186.8,177.7,141.6,133.7,131.9,131.8,130.0,129.3,128.7,119.1,99.4,87.0;IR(film)2985,2190,1739,1658,1586,1488,1444,1401,1247,1178,1108,1092,1015,923,848,759,720,687cm-1.HRMS(ESI)Calcd for C16H9ClO2[M+H]+269.0364,Found269.0365。
实施例11
化合物11ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和4-溴-(α羟基苯乙酮)11a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入苯乙炔1b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应6小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物11ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:63%;1H NMR(400MHz,CDCl3)δ7.96(d,J=8.3Hz,2H),7.72-7.61(m,4H),7.51(t,J=7.3Hz,1H),7.41(t,J=7.6Hz,2H);13C NMR(100MHz,CDCl3)δ187.0,177.6,133.7,132.3,131.9,131.8,130.6,130.4,128.8,119.1,99.5,87.0;IR(film)2189,1680,1652,1582,1483,1442,1399,1281,1244,1106,1068,1025,1009,927,845,796,758,725,706,682cm-1.HRMS(ESI)Calcd for C16H9BrO2[M+H]+312.9859,Found312.9858。
实施例12
化合物12ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和4-碘-(α羟基苯乙酮)12a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入苯乙炔1b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应4小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物12ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:58%;1H NMR(400MHz,CDCl3)δ7.90(d,J=8.5Hz,2H),7.79(d,J=8.5Hz,2H),7.65(d,J=7.1Hz,2H),7.51(t,J=7.5Hz,1H),7.41(t,J=7.6Hz,2H); 13C NMR(100MHz,CDCl3)δ187.4,177.6,138.3,133.7,131.8,131.6,131.0,128.7,119.1,103.7,99.5,87.0;IR(film)2986,2903,2188,1738,1657,1579,1487,1443,1393,1310,1248,1183,1105,1056,1007,921,843,759,687cm-1.HRMS(ESI)Calcd forC16H9IO2[M+H]+360.9720,Found360.9726。
实施例13
化合物13ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和1-(2-羟基乙酰基)萘13a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌1.5小时。然后向反应体系中加入苯乙炔1b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应4小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物13ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:76%;1H NMR(400MHz,CDCl3)δ9.00(d,J=8.6Hz,1H),8.10(dd,J=23.3,7.7Hz,2H),7.93(d,J=8.1Hz,1H),7.76-7.46(m,6H),7.40(t,J=7.6Hz,2H);13C NMR(100MHz,CDCl3)δ190.9,179.2,135.7,134.1,134.0,133.6,131.6,131.2,129.1,128.8,128.7,127.5,127.0,125.6,124.3,119.2,99.3,87.2;IR(film)2985,2192,1740,1663,1510,1374,1240,1043,916,759,688cm-1.HRMS(ESI)Calcdfor C20H12O2[M+H]+285.0903,Found285.0910。
实施例14
化合物14ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和2-(2-羟基乙酰基)萘14a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2.5小时。然后向反应体系中加入苯乙炔1b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应4小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物14ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:65%;1H NMR(400MHz,CDCl3)δ8.64(s,1H),8.10(dd,J=8.6,1.7Hz,1H),7.96(dd,J=13.7,8.4Hz,2H),7.89(d,J=8.2Hz,1H),7.71-7.62(m,3H),7.61-7.54(m,1H),7.53-7.46(m,1H),7.40(t,J=7.5Hz,2H);13C NMR(100MHz,CDCl3)δ188.4,178.7,136.3,134.0,133.6,132.3,131.6,130.1,129.6,129.0,128.8,128.7,127.9,127.1,124.3,119.2,99.1,87.2;IR(film)2986,2193,1739,1656,1625,1595,1489,1465,1442,1356, 1260,1228,1196,1090,976,919,865,795,756,687cm-1.HRMS(ESI)Calcd for C20H12O2[M+H]+285.0915,Found285.0910。
实施例15
化合物15ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和2-(2-羟基乙酰基)呋喃15a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入苯乙炔1b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应5小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物15ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:68%;1H NMR(400MHz,CDCl3)δ7.79(d,J=1.0Hz,1H),7.74(d,J=3.7Hz,1H),7.68(d,J=7.7Hz,2H),7.50(t,J=7.5Hz,1H),7.41(t,J=7.7Hz,2H);13C NMR(100MHz,CDCl3)δ175.5,173.5,149.6,148.5,133.7,131.7,128.7,125.1,119.2,113.1,99.1,86.8;IR(film)2986,2187,1739,1654,1596,1553,1489,1458,1396,1323,1269,1128,1081,1028,1000,948,891,757,687cm-1.MS(EI)m/z224(M+)。
实施例16
化合物16ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和2-(2-羟基乙酰基)噻吩16a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入苯乙炔1b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应5小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物16ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:76%;1H NMR(400MHz,CDCl3)δ8.19(dd,J=3.9,1.0Hz,1H),7.85(dd,J=4.9,1.0Hz,1H),7.73-7.66(m,2H),7.51(t,J=7.5Hz,1H),7.42(t,J=7.5Hz,2H),7.22(dd,J=4.8,4.0Hz,1H);13C NMR(100MHz,CDCl3)δ178.6,176.2,137.8, 137.5,137.2,133.8,131.7,128.7,128.7,119.3,99.2,86.9;IR(film)2181,1738,1650,1593,1503,1444,1407,1363,1300,1247,1211,1110,1042,911,883,857,762,733,686cm-1.MS(EI)m/z240(M+)。
实施例17
化合物17ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和3-(2-羟基乙酰基)噻吩17a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2.2小时。然后向反应体系中加入苯乙炔1b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应4小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物17ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:86%;1H NMR(400MHz,CDCl3)δ8.60(dd,J=2.9,1.2Hz,1H),7.73(dd,J=5.1,1.2Hz,1H),7.71-7.64(m,2H),7.55-7.47(m,1H),7.45-7.35(m,3H);13C NMR(100MHz,CDCl3)δ180.2,177.1,138.0,136.0,133.7,131.6,128.7,128.1,126.6,119.3,98.7,87.1;IR(film)3112,2986,2193,1653,1595,1507,1489,1443,1414,1306,1246,1106,1075,959,865,827,759,743,687cm-1.HRMS(ESI)Calcd forC14H8O2S[M+H]+241.0318.Found241.0311。
实施例18
化合物18ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和2-(2-羟基乙酰基)苯并呋喃18a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2.5小时。然后向反应体系中加入苯乙炔1b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应4小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物18ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:56%;1H NMR(400MHz,CDCl3)δ8.11(d,J=0.8 Hz,1H),7.78(d,J=7.9Hz,1H),7.71(dd,J=8.3,1.3Hz,2H),7.64(dd,J=8.5,0.7Hz,1H),7.58-7.50(m,2H),7.43(t,J=7.5Hz,2H),7.38-7.32(m,1H);13C NMR(100MHz,CDCl3)δ175.6,175.2,156.6,148.3,133.8,131.8,129.9,128.8,127.0,124.4,124.2,121.2,119.2,112.7,99.7,86.8;IR(film)2986,2902,2193,1739,1659,1596,1541,1445,1407,1249,1068,963,899,803,752,690cm-1.HRMS(ESI)Calcd for C18H10O3[M+H]+275.0703,Found275.0690。
实施例19
化合物19ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和2-(2-羟基乙酰基)苯并噻吩19a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入苯乙炔1b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应4小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物19ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:63%;1H NMR(400MHz,CDCl3)δ8.48(s,1H),7.99-7.88(m,2H),7.74-7.68(m,2H),7.52(td,J=7.5,1.0Hz,2H),7.47-7.39(m,3H);13C NMR(100MHz,CDCl3)δ180.4,175.6,143.9,139.1,137.3,135.6,133.8,131.8,128.7,128.6,126.9,125.4,122.9,119.2,99.4,86.9;IR(film)2189,1742,1653,1592,1500,1444,1419,1333,1303,1253,1178,1083,1059,999,916,877,850,762,729,688cm-1.HRMS(ESI)Calcd for C18H10O2S[M+H]+291.0474,Found291.0470。
实施例20
化合物20ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和5-(2-羟基乙酰基)二氢苯并呋喃20a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入苯乙炔1b(1.0mmol,5equiv.),在氧气氛围中,在90℃ 反应温度下继续反应4小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物20ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:62%;1H NMR(400MHz,CDCl3)δ7.99-7.90(m,2H),7.69-7.61(m,2H),7.49(t,J=7.5Hz,1H),7.40(t,J=7.6Hz,2H),6.86(d,J=8.2Hz,1H),4.70(t,J=8.8Hz,2H),3.27(t,J=8.8Hz,2H);13C NMR(100MHz,CDCl3)δ187.0,179.4,166.2,133.6,133.2,131.5,128.7,128.4,127.7,124.7,119.3,109.8,98.4,87.3,72.6,28.7;IR(film)2973,2902,2192,1738,1655,1602,1490,1442,1373,1333,1248,1157,1077,981,939,834,794,759,688cm-1.HRMS(ESI)Calcd for C18H12O3[M+H]+277.0859,Found277.0854。
实施例21
化合物21ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和α羟基苯乙酮1a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入对甲基苯乙炔2b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应4小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物21ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:92%;1H NMR(400MHz,CDCl3)δ8.08(dd,J=8.4,1.2Hz,2H),7.67(t,J=7.4Hz,1H),7.59-7.49(m,4H),7.21(d,J=7.9Hz,2H),2.39(s,3H);13C NMR(100MHz,CDCl3)δ188.6,178.6,142.7,134.8,133.7,131.7,130.5,129.5,128.9,116.1,100.1,87.1,21.8;IR(film)2985,2188,1740,1658,1602,1450,1377,1249,1107,1051,925,818,733,667cm-1.MS(EI)m/z234(M+)。
实施例22
化合物22ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和α羟基苯乙酮1a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后 向反应体系中加入对甲氧基苯乙炔3b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应8小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物22ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:58%;1H NMR(400MHz,CDCl3)δ8.08(d,J=7.3Hz,2H),7.66(t,J=7.4Hz,1H),7.60(d,J=8.7Hz,2H),7.52(t,J=7.8Hz,2H),6.91(d,J=8.8Hz,2H),3.85(s,3H);13C NMR(100MHz,CDCl3)δ188.8,178.5,162.5,135.9,134.8,131.7,130.5,128.9,114.5,110.8,100.9,87.5,55.5;IR(film)2971,2172,1678,1651,1597,1509,1448,1417,1298,1254,1174,1105,1026,923,833,802,731,688,666cm-1.HRMS(ESI)Calcd for C17H12O3[M+H]+265.0859,Found265.0863。
实施例23
化合物23ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和α羟基苯乙酮1a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入对1-己炔4b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应8小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物23ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:59%;1H NMR(400MHz,CDCl3)δ8.07-7.97(m,2H),7.65(t,J=7.4Hz,1H),7.51(t,J=7.8Hz,2H),2.48(t,J=7.1Hz,2H),1.61(ddd,J=14.5,8.2,4.3Hz,2H),1.51-1.38(m,2H),0.93(t,J=7.3Hz,3H);13C NMR(100MHz,CDCl3)δ188.7,178.9,134.8,131.6,130.4,128.9,103.9,79.7,29.4,22.0,19.2,13.4;IR(film)2960,2871,2214,1662,1596,1450,1318,1269,1169,1096,966,882,848,797,738,715,685cm- 1.HRMS(ESI)Calcd for C14H14O2[M+H]+215.1067,Found215.1059。
实施例24
化合物24ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和α羟基苯乙酮1a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后 向反应体系中加入对1-辛炔5b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应12小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物24ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:54%;1H NMR(400MHz,CDCl3)δ8.07-7.95(m,2H),7.65(t,J=7.4Hz,1H),7.51(t,J=7.8Hz,2H),2.47(t,J=7.1Hz,2H),1.69-1.56(m,2H),1.47-1.37(m,2H),1.36-1.22(m,4H),0.88(t,J=6.9Hz,3H);13C NMR(100MHz,CDCl3)δ188.8,178.9,134.8,131.6,130.4,128.9,104.0,79.7,31.1,28.5,27.4,22.4,19.6,13.9;IR(film)2929,2215,1665,1596,1451,1249,1169,1049,860,796,685cm-1.MS(EI)m/z242(M+)。
实施例25
化合物25ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和α羟基苯乙酮1a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入对环丙烷乙炔6b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应4小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物25ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:69%;1H NMR(400MHz,CDCl3)δ8.09-7.92(m,2H),7.64(t,J=7.4Hz,1H),7.49(t,J=7.8Hz,2H),1.5l(tt,J=7.9,5.1Hz,1H),1.12-0.99(m,4H); 13C NMR(100MHz,CDCl3)δ188.8,178.5,134.7,131.6,130.4,128.8,108.5,75.9,10.6;IR(film)2971,2924,2209,2189,1741,1681,1661,1596,1451,1376,1244,1211,1168,1062,875,799,738,687,671cm-1.HRMS(ESI)Calcd for C13H10O2[M+H]+199.0754,Found199.0749。
实施例26
化合物26ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和α羟基苯乙酮1a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入对环己烷乙炔7b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下 继续反应4小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物26ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:50%;1H NMR(400MHz,CDCl3)δ8.02(dd,J=8.3,1.2Hz,2H),7.65(t,J=7.4Hz,1H),7.51(t,J=7.8Hz,2H),2.66(dq,J=5.6,3.8Hz,1H),1.94-1.81(m,2H),1.78-1.66(m,2H),1.62-1.29(m,6H);13C NMR(100MHz,CDCl3)δ188.8,179.1,134.8,131.6,130.4,128.9,107.3,79.7,31.2,29.6,25.5,24.5;IR(film)2933,2857,2202,1741,1664,1597,1450,1374,1244,1171,1048,867,687cm-1.HRMS(ESI)Calcdfor C16H16O2[M+H]+241.1223.Found241.1215。
实施例27
化合物27ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和α羟基苯乙酮1a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入4-叔丁基二甲基硅基氧-1-丁炔8b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应4小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物27ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:66%;1H NMR(400MHz,CDCl3)δ8.04-7.97(m,2H),7.65(t,J=7.4Hz,1H),7.50(t,J=7.8Hz,2H),3.82(t,J=6.7Hz,2H),2.69(t,J=6.7Hz,2H),0.87(s,9H),0.06(s,6H);13C NMR(100MHz,CDCl3)δ188.6,178.7,134.8,131.5,130.4,128.9,100.6,80.3,60.4,25.8,23.9,18.2,-5.4;IR(film)2947,2218,1738,1668,1598,1451,1406,1321,1258,1171,1125,1070,1035,981,868,798,740,720,687cm-1.HRMS(ESI)Calcd for C18H24O38i[M+H]+317.1567,Found317.1571。
实施例28
化合物28ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和α羟基苯乙酮1a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入4-叔丁基二苯基硅基氧-1-丁炔9b(1.0mmol,5equiv.),在氧气氛围中,在 90℃反应温度下继续反应8小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物28ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:77%;1H NMR(400MHz,CDCl3)δ8.05-7.98(m,1H),7.71-7.63(m,3H),7.50(t,J=7.8Hz,1H),7.47-7.36(m,3H),3.86(t,J=6.6Hz,1H),2.73(t,J=6.6Hz,1H),1.05(s,4H);13C NMR(100MHz,CDCl3)δ188.6,178.8,135.5,134.8,133.1,131.5,130.4,129.8,128.9,127.8,100.5,80.4,61.0,26.7,23.7,19.1;IR(film)2968,2217,1738,1666,1595,1471,1450,1427,1391,1252,1170,1107,1079,937,909,823,793,738,704cm-1.HRMS(ESI)Calcd for C28H28O3Si[M+NH4]+458.2146,Found458.2152。
实施例29
化合物29ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和α羟基苯乙酮1a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入4-苄基氧-1-丁炔10b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应8小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物29ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:53%;1H NMR(400MHz,CDCl3)δ8.03(d,J=7.8Hz,2H),7.66(t,J=7.4Hz,1H),7.51(t,J=7.7Hz,2H),7.40-7.27(m,5H),4.56(s,2H),3.68(t,J=6.7Hz,2H),2.79(t,J=6.7Hz,2H);13C NMR(100MHz,CDCl3)δ188.4,178.5,137.6,134.8,131.5,130.4,128.9,128.5,127.8,127.7,100.0,80.2,73.1,66.7,21.1;IR(film)2986,2218,1668,1451,1377,1246,1172,1053,699cm-1.HRMS(ESI)Calcd forC19H16O3[M+NH4]+310.1438,Found310.1425。
实施例30
化合物30ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和α羟基苯乙酮1a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入4-(2-四氢吡喃基氧)-1-丁炔11b(1.0mmol,5equiv.),在氧气氛围中,在90 ℃反应温度下继续反应8小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物30ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:52%;1H NMR(400MHz,CDCl3)δ8.04-7.96(m,2H),7.65(t,J=7.4Hz,1H),7.50(t,J=7.8Hz,2H),4.65(t,J=3.4Hz,1H),3.94-3.80(m,2H),3.64(dt,J=9.8,6.7Hz,1H),3.54-3.46(m,1H),2.78(t,J=6.7Hz,2H),1.86-1.64(m,2H),1.63-1.44(m,4H);13C NMR(100MHz,CDCl3)δ188.5,178.7,134.8,131.5,130.4,128.9,100.4,98.8,80.1,64.1,62.1,30.4,25.3,21.2,19.1;IR(film)2947,2218,1738,1668,1598,1451,1406,1321,1258,1171,1125,1070,1035,981,868,798,740,720,687cm-1.HRMS(EI)Calcd for C17H18O4[M-H]+285.1127,Found285.1132。
实施例31
化合物31ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和α羟基苯乙酮1a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入4-烯丙基氧-1-丁炔12b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应10小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物31ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:60%;1H NMR(400MHz,CDCl3)δ8.11-7.95(m,2H),7.66(t,J=7.4Hz,1H),7.50(t,J=7.7Hz,2H),5.88(ddt,J=17.1,10.5,5.7Hz,1H),5.28(dd,J=17.2,1.6Hz,1H),5.19(dd,J=10.4,1.4Hz,1H),4.02(dt,J=5.6,1.3Hz,2H),3.65(t,J=6.8Hz,2H),2.77(t,J=6.8Hz,2H);13C NMR(100MHz,CDCl3)δ188.4,178.5,134.9,134.1,131.4,130.4,128.9,117.6,99.9,80.1,72.0,66.7,21.0;IR(film)2903,2218,1666,1596,1450,1170,1099,930,845,796,686cm-1.HRMS(ESI)Calcd for C15H14O3[M+NH4]+260.1281,Found260.1269。
实施例32
化合物32ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和α羟基苯乙酮1a(0.2mmol,1equiv.)加入到反应管中, 然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入4-苯基-1-丁炔13b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应10小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物32ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:73%;1H NMR(400MHz,CDCl3)δ8.01(dd,J=8.3,1.1Hz,2H),7.66(t,J=7.4Hz,1H),7.51(t,J=7.8Hz,2H),7.34-7.27(m,2H),7.26-7.19(m,3H),2.94(t,J=7.4Hz,2H),2.77(t,J=7.4Hz,2H);13C NMR(100MHz,CDCl3)δ188.6,178.7,139.2,134.8,131.5,130.4,128.9,128.6,128.3,126.7,102.5,80.2,33.6,21.8;IR(film)2972,2215,1663,1596,1495,1451,1416,1340,1317,1261,1170,1075,891,857,795,745,698cm-1.HRMS(ESI)Calcd for C18H14O2[M+NH4]+280.1332,Found280.1335。
实施例33
化合物33ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和α羟基苯乙酮1a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入端炔14b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应8小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物33ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:53%;1H NMR(400MHz,CDCl3)δ8.01-7.93(m,2H),7.83(dd,J=5.4,3.1Hz,2H),7.72(dd,J=5.5,3.1Hz,2H),7.65(t,J=7.4Hz,1H),7.49(t,J=7.8Hz,2H),3.97(t,J=7.0Hz,2H),2.91(t,J=7.0Hz,2H);13C NMR(100MHz,CDCl3)δ188.1,178.2,167.8,134.8,134.2,131.8,131.3,130.4,128.8,123.5,98.1,80.7,35.3,19.5;IR(film)2923,2219,1773,1712,1664,1595,1468,1444,1396,1369,1168,1112,1072,997,867,844,794,717,684,662cm-1.HRMS(ESI)Calcd for C20H13NO4[M+H]+332.0917,Found332.0912。
实施例34
化合物34ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和α羟基苯乙酮1a(0.2mmol,1equiv.)加入到反应 管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入端炔15b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应10小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物34ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:60%;1H NMR(400MHz,CDCl3)δ8.07-7.97(m,2H),7.65(t,J=7.4Hz,1H),7.51(t,J=7.8Hz,2H),3.53(t,J=6.6Hz,2H),2.50(t,J=6.9Hz,2H),1.87-1.72(m,2H),1.72-1.62(m,2H),1.62-1.51(m,2H);13C NMR(100MHz,CDCl3)δ188.6,178.7,134.8,131.5,130.4,128.9,103.0,79.9,44.5,31.9,26.7,26.1,19.4;IR(film)2944,2213,1785,1663,1596,1450,1417,1317,1261,1170,1040,1016,855,799,717,685cm-1.HRMS(ESI)Calcd for C15H15ClO2[M+NH4]+280.1099,Found280.1090。
实施例35
化合物35ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和α羟基苯乙酮1a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入端炔16b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应12小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物35ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:53%;1H NMR(400MHz,CDCl3)δ8.03(d,J=7.3Hz,2H),7.66(t,J=7.4Hz,1H),7.51(t,J=7.8Hz,2H),1.02(t,J=7.9Hz,9H),0.71(q,J=7.9Hz,6H);13CNMR(100MHz,CDCl3)δ188.3,178.2,134.8,131.5,130.4,128.9,106.6,101.6,7.2,3.7;IR(film)2958,2146,1666,1596,1451,1239,1126,1004,919,730cm-1.HRMS(ESI)Calcdfor C16H20O2Si[M+NH4]+290.1571,Found290.1563。
实施例36
化合物36ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和α羟基苯乙酮1a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入端炔17b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续 反应9小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物36ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:67%;1H NMR(400MHz,CDCl3)δ8.01(dd,J=8.3,1.1Hz,2H),7.65(t,J=7.4Hz,1H),7.50(t,J=7.8Hz,2H),3.67(s,3H),2.57(t,J=7.0Hz,2H),2.47(t,J=7.3Hz,2H),2.01-1.88(m,J=7.1Hz,2H);13C NMR(100MHz,CDCl3)δ188.4,178.5,172.9,134.8,131.4,130.4,128.9,101.8,80.1,51.7,32.4,22.6,18.9;IR(film)2953,2215,1735,1668,1596,1449,1371,1318,1169,1070,841,802,742,718,687cm-1.HRMS(ESI)Calcd for C15H14O4[M+H]+259.0965,Found259.0962。
实施例37
化合物37ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和α羟基苯乙酮1a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入端炔18b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应12小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物37ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:60%;1H NMR(400MHz,CDCl3)δ8.05-7.97(m,2H),7.65(t,J=7.4Hz,1H),7.50(t,J=7.8Hz,2H),4.11-4.02(m,2H),3.98-3.91(m,2H),2.54(t,J=6.8Hz,2H),2.23(td,J=6.9,2.6Hz,2H),1.96(t,J=2.6Hz,1H),1.87-1.71(m,6H),1.62(dt,J=14.1,6.9Hz,2H);13C NMR(100MHz,CDCl3)δ188.4,178.5,134.9,131.4,130.4,128.9,102.2,83.6,80.0,68.9,61.9,61.1,28.43,28.38,24.6,23.8,19.0,17.9;IR(film)2970,2174,1740,1703,1600,1494,1446,1396,1297,1259,1139,1053,889,763,720,698cm-1.HRMS(EI)Calcd for C20H22O3310.1569,Found310.1571。
实施例38
化合物38ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和α羟基苯乙酮1a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然 后向反应体系中加入端炔19b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应6小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物38ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:66%;1H NMR(400MHz,CDCl3)δ8.08-7.97(m,J=16.7,8.4,7.1Hz,4H),7.65(t,J=7.4Hz,1H),7.57(t,J=7.4Hz,1H),7.49(t,J=7.8Hz,2H),7.43(t,J=7.7Hz,2H),4.51(t,J=6.6Hz,2H),2.97(t,J=6.6Hz,2H);13C NMR(100MHz,CDCl3)δ188.2,178.3,166.1,134.9,133.2,131.4,130.4,129.7,129.5,128.9,128.4,98.1,80.5,61.1,20.2;IR(film)3064,2221,1723,1671,1598,1451,1376,1316,1272,1172,1113,1070,1027,950,843,795,713,687cm-1.HRMS(ESI)Calcd for C19H14O4[M+NH4]+324.1230,Found324.1233。
实施例39
化合物39ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和α羟基苯乙酮1a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入端炔20b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应8小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物39ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:52%;1H NMR(400MHz,CDCl3)δ8.09-7.94(m,2H),7.66(t,J=7.4Hz,1H),7.59(d,J=0.8Hz,1H),7.50(t,J=7.8Hz,2H),7.21(d,J=3.5Hz,1H),6.51(dd,J=3.5,1.7Hz,1H),4.48(t,J=6.7Hz,2H),2.95(t,J=6.7Hz,2H);13C NMR(100MHz,CDCl3)δ188.2,178.2,158.1,146.7,143.9,134.9,131.4,130.4,128.9,118.7,112.0,97.6,80.5,61.0,20.2;IR(film)2972,2220,1721,1668,1596,1579,1473,1450,1398,1295,1230,1169,1116,1076,1017,933,845,762,717,685cm-1.HRMS(ESI)Calcd forC17H12O5[M+NH4]+314.1023,Found314.1013。
实施例40
化合物40ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和α羟基苯乙酮1a(0.2mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入端炔21b(1.0mmol,5equiv.),在氧气氛围中,在90℃反应温度下继续反应8小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物40ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:55%;1H NMR(400MHz,CDCl3)δ8.07-7.96(m,2H),7.81(dd,J=3.8,1.2Hz,1H),7.66(t,J=7.5Hz,1H),7.57(dd,J=5.0,1.2Hz,1H),7.50(t,J=7.8Hz,2H),7.10(dd,J=4.9,3.8Hz,1H),4.48(t,J=6.7Hz,2H),2.96(t,J=6.7Hz,2H);13CNMR(100MHz,CDCl3)δ188.2,178.3,161.7,134.9,134.0,133.0,132.9,131.3,130.4,128.9,127.9,97.8,80.5,61.2,20.2;IR(film)2972,2903,2220,1711,1670,1596,1524,1450,1417,1381,1358,1258,1226,1170,1077,861,748,721,685cm-1.HRMS(ESI)Calcd forC17H12O45[M+NH4]+330.0795,Found330.0797。
实施例41
化合物41ab的合成:
将催化剂CuTC(0.02mmol,10mol%)和α羟基苯乙酮1a(0.3mmol,1.5equiv.)加入到反应管中,然后加入反应溶剂甲苯(4mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入端炔22b(0.2mmol,1equiv.),在氧气氛围中,在90℃反应温度下继续反应4小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物41ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:87%;1H NMR(400MHz,CDCl3)δ8.11-8.03(m,2H),7.67(t,J=7.4Hz,1H),7.52(t,J=7.8Hz,2H),7.46-7.37(m,2H),7.32(d,J=8.1Hz,1H),2.90(dd,J=9.7,4.9Hz,2H),2.51(dd,J=18.8,8.7Hz,1H),2.42(dd,J=12.5,5.3Hz,1H),2.31(dd,J=14.0,7.4Hz,1H),2.16(dd,J=18.5,9.4Hz,1H),2.11-1.93(m,3H),1.70-1.38(m,6H),0.91(s,3H); 13C NMR(101MHz,CDCl3)δ188.6,178.5,144.4,137.3,134.8,134.2,131.6,131.0,130.5,128.9,125.9,116.3,100.1,87.0,50.4,47.8,44.6,37.6,35.7,31.4,28.9,26.0,25.4,21.5,13.7;IR(film)2937,2209,1782,1714,1602,1494,1452,1405,1365,1221,1071,1037,1012,894,826,714,664 cm-1.HRMS(ESI)Calcd for C28H26O3[M+H]+411.1955,Found411.1957。
实施例42
化合物42ab的合成:
将催化剂CuTC(0.01mmol,10mol%)和α羟基苯乙酮1a(0.15mmol,1.5equiv.)加入到反应管中,然后加入反应溶剂甲苯(2mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入端炔23b(0.1mmol,1equiv.),在氧气氛围中,在90℃反应温度下继续反应4小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物42ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:75%;1H NMR(400MHz,CDCl3)δ8.09-7.96(m,2H),7.65(t,J=10.6,4.3Hz,1H),7.51(t,J=7.8Hz,2H),5.41-5.25(m,1H),3.68(td,J=6.9,1.4Hz,2H),3.30-3.11(m,J=15.6,11.1,4.4Hz,1H),2.74(t,J=6.9Hz,2H),2.40-2.28(m,1H),2.26-2.13(m,J=17.8,6.7Hz,1H),2.06-1.92(m,2H),1.91-1.77(m,J=9.5,8.7Hz,3H),1.57-1.25(m,12H),1.20-1.00(m,J=21.8,14.1,7.5Hz,9H),0.98(s,3H),0.91(d,J=6.5Hz,3H),0.87(d,J=1.7Hz,3H),0.85(d,J=1.7Hz,3H),0.67(s,3H);13C NMR(100MHz,CDCl3)δ188.5,178.6,140.5,134.9,131.4,130.4,128.9,121.8,100.4,80.1,79.5,64.8,56.7,56.1,50.1,42.3,39.7,39.5,38.9,37.1,36.8,36.1,35.8,31.9,31.8,28.3,28.2,28.0,24.3,23.8,22.8,22.6,21.5,21.0,19.3,18.7,11.8;IR(film)2966,2903,2218,1667,1596,1451,1380,1253,1170,1068,909,799,736,686cm-1.HRMS(ESI)Calcd forC39H54O3[M+NH4]+588.4411,Found588.4406。
实施例43
化合物43ab的合成:
将催化剂CuTC(0.01mmol,10mol%)和α羟基苯乙酮1a(0.15mmol,1.5equiv.)加入到反应管中,然后加入反应溶剂甲苯(2mL)后,在氧气氛围中,在90℃反应温度下搅拌2小时。然后向反应体系中加入端炔24b(0.1mmol,1equiv.),在氧气氛围中,在90℃反应温度下继续反应4小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物43ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。收率:65%;1H NMR(400MHz,CDCl3)δ8.11-7.95(m,2H),7.66(t,J=7.4Hz,1H),7.51(t,J=7.8Hz,2H),5.88(d,J=3.7Hz,1H),5.28(d,J=2.2Hz,1H),4.50(d,J=3.7Hz,1H),4.23-4.15(m,2H),4.11-4.05(m,1H),4.04-3.98(m,1H),2.70-2.45(m,4H),1.97(p,J=7.1Hz,2H),1.51(s,3H),1.39(s,3H),1.30(s,3H),1.29(s,3H);13C NMR(100MHz,CDCl3)δ188.3,178.3,171.1,134.9,131.4,130.4,128.9,112.3,109.4,105.1,101.4,83.3,80.2,79.8,76.2,72.4,67.3,32.6,26.8,26.7,26.1,25.2,22.5,18.7;IR(film)2986,2215,1743,1669,1596,1451,1376,1317,1216,1162,1073,1023,844,797,740,717,686cm-1.HRMS(ESI)Calcd for C26H30O9[M+NH4]+504.2228,Found504.2228。
化合物44ab的合成:
将化合物1ab(0.5mmol,1equiv.)加入到反应管中,然后加入反应溶剂甲苯(5mL)后,向反应管中加入NaBH4(1.0mmol,2equiv.),在室温下搅拌30分钟。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物炔基二醇化合物。将得到的炔基二醇化合物(0.5mmol,1equiv.)加入到反应管中,随后向体系中加入甲苯(5mL),(PPh3)AuCl(0.025mmol,5mol%),AgNTf2(0.025mmol,5mol%),在室温下搅拌5小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物44ab(洗脱剂极性:石油醚/乙酸乙酯10∶1)。两步收率:79%;1H NMR(400MHz,CDCl3)δ7.86-7.78(m,4H),7.46(t,J=7.7Hz,4H),7.33(t,J=7.4Hz,2H),6.78(s,2H);13C NMR(100MHz,CDCl3)δ153.3,130.8,128.7,127.3,123.7,107.2;IR(film)1710,1601,1566,1484,1452,1354,1290,1216,1121,1025,916,873,799,760,685cm-1.MS(EI)m/z220(M+).
化合物45ab的合成:
将化合物1ab(0.5mmol,1equiv.)加入到反应管中,然后加入反应溶剂二氯甲烷(5mL)后,向反应管中加入MeOH(0.75mmol,1.5equiv.),AuCl3(0.01mmol,10mol%),在室温下搅拌8小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物45ab。收率:91%; 1H NMR(400MHz,CDCl3)δ8.01-7.96(m,2H),7.68-7.59(m,3H),7.56(t,J=7.5Hz,2H),7.44-7.33(m,3H),6.07(s,1H),3.50(s,3H);13C NMR(100MHz,CDCl3)δ199.0,184.5,134.4,133.4,129.5,129.1,128.5,128.3,127.3,125.9,107.4,99.3,52.7;IR(film)1707,1598,1564,1491,1451,1354,1291,1217,1187,1121,1049,1024,951,872,808,769,730,690cm-1.MS(EI)m/z266(M+).
化合物46ab的合成:
将化合物1ab(0.2mmol,1equiv.),TsNHNH2(0.3mmol,1.5equiv.)加入到反应管中,然后加入反应溶剂EtOH(2mL),在室温下搅拌10小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物46ab。收率:58%;1H NMR(400MHz,CDCl3)δ8.32-8.24(m,2H),7.71-7.59(m,J=20.2,7.9Hz,3H),7.55-7.42(m,7H),7.27(d,J=8.1Hz,2H),6.90(s,1H),2.42(s,3H);13C NMR(100MHz,CDCl3)δ186.7,152.5,148.2,146.1,136.0,134.3,133.4,130.8,130.0,129.8,129.7,128.7,128.4,128.3,127.9,112.5,21.7;IR(film)1658,1595,1443,1389,1250,1186,1146,1099,1009,894,809,764,733,701,671cm-1.HRMS(EI)Calcdfor C23H18N2O3S402.1038,Found402.1041.
化合物47ab的合成:
将化合物1ab(0.5mmol,1equiv.),邻苯二胺(0.6mmol,1.2equiv.)加入到反应管中,然后加入反应溶剂MeOH(3mL)和AcOH(3mL),在50℃下搅拌6小时。通过薄层色谱监测反应结束后,直接柱层析分离后得到产物47ab。收率:82%;1H NMR(400MHz,CDCl3)δ8.18-8.07(m,4H),7.81-7.73(m,2H),7.62-7.53(m,3H),7.49(dd,J=7.9,1.6Hz,2H),7.42-7.31(m,3H);13C NMR(100MHz,CDCl3)δ155.1,141.0,140.7,138.1,137.6,132.1,130.6,130.3,129.7,129.6,129.3,128.7,128.4,128.1,121.7,95.0,88.4;IR(film)2212,1601,1533,1488,1444, 1395,1348,1251,1220,1158,1118,1073,1005,915,837,761,693cm-1.MS(EI)m/z306(M+)。

Claims (8)

1.一种炔基二酮类化合物的合成方法,其特征在于,以α羟基酮与端炔为反应原料,以氧气为氧化剂,在铜催化剂的作用下,在反应溶剂中反应得到如式(II)所示的炔基二酮类化合物;所述反应过程如反应式所示;
其中,Ar是苯环、杂环、1-萘基、2-萘基、取代苯环、或取代杂环;R是直链烷基、支链烷烃、芳基、含芳基烷烃、
2.如权利要求1所述的炔基二酮类化合物的合成方法,其特征在于,Ar是苯基、2-噻吩基、2-呋喃基;R是
3.如权利要求1所述的炔基二酮类化合物的合成方法,其特征在于,Ar是4-甲酸甲酯苯基、4-甲氧基苯基、4-硝基苯基、联苯基、2-甲基苯基、3-甲基苯基、4-甲基苯基、4-氟苯基、4-氯苯基、4-溴苯基、4-碘苯基、3-噻吩基、2-苯并呋喃基、2-苯并噻吩基、5-(2,3-二氢苯并呋喃基);
R是
4.如权利要求1所述的炔基二酮类化合物的合成方法,其特征在于,所述铜催化剂是CuSO4,CuSO4·5H2O,Cu(OAc)2,Cu(NO3)2,Cu(TFA)2,Cu(OTf)2,CuCl2,CuBr2,Cu(acac)2,CuO,CuOAc,CuI,CuBr,CuCl,CuTc,或Cu;所述铜催化剂的用量为α羟基酮的1-10mol%。
5.如权利要求1所述的炔基二酮类化合物的合成方法,其特征在于,所述溶剂是水、甲醇、乙醇、异丙醇、叔丁醇、DMSO、DMF、DMA、乙腈、丙酮、四氢呋喃、甲苯、二氯甲烷、1,2-二氯乙烷、氯仿之任意一种或任意组合。
6.如权利要求1所述的炔基二酮类化合物的合成方法,其特征在于,所述反应中,所述端炔与α羟基酮的摩尔用量比例为1:15-1:1。
7.如权利要求1所述的炔基二酮类化合物的合成方法,其特征在于,所述反应包括以下步骤:
(1)在反应容器中加入α羟基酮、铜催化剂、溶剂,在氧气氛围中,在室温至回流条件下搅拌反应;
(2)向步骤(1)得到的反应体系中加入端炔,在氧气氛围中,在室温至回流条件下搅拌反应,得到式(II)所示的炔基二酮类化合物。
8.如权利要求7所述的炔基二酮类化合物的合成方法,其特征在于,所述步骤(1)在90℃条件下进行;所述步骤(2)在90℃下进行。
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