CN111377838A - 一种大位阻烷基-烷基砜类化合物及其合成方法和应用 - Google Patents

一种大位阻烷基-烷基砜类化合物及其合成方法和应用 Download PDF

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CN111377838A
CN111377838A CN202010157412.1A CN202010157412A CN111377838A CN 111377838 A CN111377838 A CN 111377838A CN 202010157412 A CN202010157412 A CN 202010157412A CN 111377838 A CN111377838 A CN 111377838A
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姜雪峰
李亚萍
王明
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East China Normal University
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Abstract

本发明属于有机化合物合成及应用技术领域,公开了一种如式(4)所示的大位阻烷基‑烷基砜类化合物及其合成方法,以羧酸衍生的氧化还原酯、还原性二氧化硫源以及烷基亲电试剂为原料,三组分一锅法得到一系列大位阻的烷基‑烷基砜类化合物。本发明合成方法原料来源广泛、廉价易得;反应操作简单;官能团耐受性强;该反应中还原性二氧化硫源的使用避免了额外当量金属还原试剂的加入,经济实用,避免了对环境的废金属污染。本发明还公开了所述烷基‑烷基砜类化合物在制备药物、农药、有机光电材料等中的应用。本发明具有较强的实用价值和广泛的应用前景。

Description

一种大位阻烷基-烷基砜类化合物及其合成方法和应用
技术领域
本发明属于有机化合物合成及应用技术领域,涉及一种大位阻烷基-烷基砜类化合物及其合成方法和应用。
背景技术
砜类化合物是一类非常重要的含硫化合物,其广泛存在于药物、农药、有机光电材料及天然产物中。因此,从廉价易得、来源广泛的商业原料出发高效环保地构建砜类化合物显得尤为重要。
传统合成砜类化合物的方法主要是由硫醇在过渡金属催化下构建硫醚类化合物,随后在强氧化剂作用下制备得到。然而现有方法存在的缺陷包括:(1)不可避免使用到有毒、恶臭、易被氧化的硫醇(硫酚);(2)强氧化剂的使用使其原子经济性、官能团兼容性较差;(3)需要多步合成,步骤经济性较差。因此,发展一种简洁高效、操作简便的构建砜类化合物的方法具有重要意义。
发明内容
为了克服现有技术的上述缺陷,本发明创新性地提出了一种以商业可得、广泛存在的式(1)氧化还原酯(羧酸衍生的/羧酸原料制备的氧化还原酯)为底物,以式(2)为还原性二氧化硫源,以式(3)烷基亲电试剂为烷基源,在溶剂中,在添加剂(添加剂1、添加剂2)、碱的作用下三组分一锅法合成一系列式(4)大位阻烷基-烷基砜类化合物。本发明避免了有毒、恶臭的硫醇的使用,避免了在反应后期使用强氧化剂调整氧化态。本发明合成方法反应操作简单,原料廉价易得,来源广泛,底物普适性广,官能团耐受性强;该反应中还原性二氧化硫源的使用避免了额外当量金属还原试剂的加入,经济实用,避免了对环境的废金属污染;产率(30%-85%)高;本发明具有较强的实用价值和广泛的应用前景。
所述反应过程如下反应式(A)所示:
Figure BDA0002404573130000011
其中,R1,R2,R3是各种烷基化合物基团。R也是各类烷基化合物基团。
优选地,R1为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢;R2为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢;R3为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢。R为直链烷基、环烷基、烷氧基烷基、芳基烷基、烯基烷基、炔基烷基。
进一步优选地,R1为C1-C10直链烷基、C1-C10环烷基、芳基C1-C10烷基、含不饱和键的C1-C10烷基或氢;R2为C1-C10直链烷基、C1-C10环烷基、芳基C1-C10烷基、含不饱和键的C1-C10烷基或氢;R3为C1-C10直链烷基、C1-C10环烷基、芳基C1-C10烷基、含不饱和键的C1-C10烷基或氢。R为C1-C10直链烷基、C1-C10环烷基、烷氧基C1-C10烷基、芳基C1-C10烷基、烯基C1-C10烷基、炔基C1-C10烷基。
进一步优选地,R1为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢;R2为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢;R3为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢。R为甲基、乙基、正戊基、正庚基、正辛基、苯丙基、苯丁基、甲基环丁基、苯氧基乙基、正戊烯基、正丁炔基、噻吩乙基等。
进一步优选地,R1,R2,R3,R4分别独立地选自甲基、乙基、正戊基、正庚基、正辛基、苯丙基、苯丁基、甲基环丁基、苯氧基乙基、正戊烯基、正丁炔基、噻吩乙基等。
本发明中,所述反应温度为60-140℃;优选地,反应温度为120℃。
本发明中,所述反应的时间为6-20小时;优选地,反应时间为2-20小时;进一步优选地,反应时间为15小时。
本发明中,所述溶剂选自N,N-二甲基甲酰胺、N,N-二甲基乙酰胺、二甲亚砜、N-甲基吡咯烷酮、乙腈、水、四氢呋喃、1,4-二氧六环、环戊基甲醚、乙醚、叔丁基甲醚等中的一种或多种;优选地,反应溶剂为N,N-二甲基甲酰胺:乙腈(2:1)。
本发明中,所述还原性二氧化硫源选自连二亚硫酸钠(保险粉)、焦亚硫酸钠、焦亚硫酸钾、二氧化硫脲、甲醛合次硫酸氢钠等中的一种或多种;优选地,二氧化硫源为连二亚硫酸钠。
本发明中,烷基亲电试剂为烷基溴、烷基苯磺酸酯(OTs)、烷基磷酸酯等中的一种或多种。
本发明中,所述式(1)氧化还原酯与所述式(2)还原性二氧化硫源、所述式(3)烷基亲电试剂的摩尔比用量为1:(1-8):(1-8);优选地,为1:2:3。
本发明中,所述碱选自碳酸钾、碳酸钠、碳酸锂、碳酸氢钾、碳酸氢钠、碳酸氢锂、磷酸钾、磷酸氢钾、氢氧化钾、氢氧化钠、三乙胺、N,N’-二异丙基乙胺、N,N’-二甲基乙二胺等中的一种或多种;优选地,为N,N’-二异丙基乙胺。本发明中,所述式(1)氧化还原酯与所述碱的摩尔比为1:(1-5);优选地,为1:2。
本发明中,所述添加剂1选自氯化镁、氯化锌、氯化锂、溴化锌、碘化锌、氯化锡、氯化铝、氟化锂等中的一种或多种;优选地,为氯化锌。本发明中,所述式(1)氧化还原酯与所述添加剂1的摩尔比为1:(1-5);优选地,为1:0.5。
本发明中,所述添加剂2选自四甲基氟化铵、四甲基氯化铵、四甲基溴化铵、四甲基碘化铵、四丁基氟化铵、四丁基氯化铵、四丁基溴化铵、四丁基碘化铵、四丁基四氟硼酸铵、四丁基六氟磷酸铵、苄基三乙基氟化铵、苄基三乙基氯化铵、苄基三乙基溴化铵、苄基三乙基碘化铵、15-冠-5、18-冠-6、环糊精、聚乙二醇等中的一种或多种;优选地,为四丁基溴化铵。本发明中,所述式(1)氧化还原酯与所述添加剂2的摩尔比为1:(1-5);优选地,为1:1.5。
本发明中,所述反应优选在氮气保护下进行。
本发明中,当采用氧化还原酯、还原性二氧化硫源、磷酸酯为反应原料,在碱性催化剂、添加剂的作用下,反应机理如反应式(B)所示:
Figure BDA0002404573130000031
首先,连二亚硫酸钠均裂,提供了两个二氧化硫自由基阴离子7。羧基衍生的氧化还原活性酯1经过单电子转移形成中间体8,并且氯化锌会与其发生螯合作用。中间体8的裂解通过在氯化锌的帮助下脱掉一分子二氧化碳,得到了碳自由基9和邻苯二甲酰亚胺钠盐(NaNPhth)。通过碳自由基9捕获另一个二氧化硫自由基阴离子7,得到磺酰基阴离子10和亚磺酸盐10'。最后,与中间体10的“软”配偶进行烷基化偶联,得到所需的砜产物3。
在一个具体的实施方式中:所述反应过程如下反应式(A’)所示。
Figure BDA0002404573130000041
其中,R1,R2,R3是各种烷基化合物基团。R也是各类烷基化合物基团。
优选地,R1为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢;R2为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢;R3为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢。R为直链烷基、环烷基、烷氧基烷基、芳基烷基、烯基烷基、炔基烷基。
进一步优选地,R1为C1-C10直链烷基、C1-C10环烷基、芳基C1-C10烷基、含不饱和键的C1-C10烷基或氢;R2为C1-C10直链烷基、C1-C10环烷基、芳基C1-C10烷基、含不饱和键的C1-C10烷基或氢;R3为C1-C10直链烷基、C1-C10环烷基、芳基C1-C10烷基、含不饱和键的C1-C10烷基或氢。R为C1-C10直链烷基、C1-C10环烷基、烷氧基C1-C10烷基、芳基C1-C10烷基、烯基C1-C10烷基、炔基C1-C10烷基。
进一步优选地,R1为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢;R2为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢;R3为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢。R为甲基、乙基、正戊基、正庚基、正辛基、苯丙基、苯丁基、甲基环丁基、苯氧基乙基、正戊烯基、正丁炔基、噻吩乙基等。
进一步优选地,R1,R2,R3,R4分别独立地选自甲基、乙基、正戊基、正庚基、正辛基、苯丙基、苯丁基、甲基环丁基、苯氧基乙基、正戊烯基、正丁炔基、噻吩乙基等。
本发明还提出了如式(4)所示的烷基-烷基砜类化合物
Figure BDA0002404573130000051
其中,R1,R2,R3是各种烷基化合物基团。R也是各类烷基化合物基团。
优选地,R1为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢;R2为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢;R3为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢。R为直链烷基、环烷基、烷氧基烷基、芳基烷基、烯基烷基、炔基烷基。
进一步优选地,R1为C1-C10直链烷基、C1-C10环烷基、芳基C1-C10烷基、含不饱和键的C1-C10烷基或氢;R2为C1-C10直链烷基、C1-C10环烷基、芳基C1-C10烷基、含不饱和键的C1-C10烷基或氢;R3为C1-C10直链烷基、C1-C10环烷基、芳基C1-C10烷基、含不饱和键的C1-C10烷基或氢。R为C1-C10直链烷基、C1-C10环烷基、烷氧基C1-C10烷基、芳基C1-C10烷基、烯基C1-C10烷基、炔基C1-C10烷基。
进一步优选地,R1为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢;R2为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢;R3为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢。R为甲基、乙基、正戊基、正庚基、正辛基、苯丙基、苯丁基、甲基环丁基、苯氧基乙基、正戊烯基、正丁炔基、噻吩乙基等。
进一步优选地,R1,R2,R3,R4分别独立地选自甲基、乙基、正戊基、正庚基、正辛基、苯丙基、苯丁基、甲基环丁基、苯氧基乙基、正戊烯基、正丁炔基、噻吩乙基等。
本发明还提出了由上述合成方法制备得到的如式(4)所示的烷基-烷基砜类化合物。
本发明还提出了所述式(4)所示的烷基-烷基砜类化合物在制备药物、农药、有机光电材料等中的应用。
本发明的有益效果在于:本发明创新性地提出了一种无需额外引发剂,一步直接由氧化还原酯、还原性二氧化硫源、烷基亲电试剂的多组分反应高效构建烷基-烷基砜类化合物的方法。该方法避免了传统方法中有毒、恶臭的硫醇的使用,同时无需使用强氧化剂调整氧化态;且在该反应中,创新性地使用还原性二氧化硫源,无需加入当量金属还原试剂即可顺利发生反应。本发明制备的烷基-烷基砜类化合物在药物、农药、有机光电材料等领域具有广泛的应用。
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。
实施例1
化合物3a的合成:
Figure BDA0002404573130000061
向反应管中加入二甲基苯乙酸衍生的氧化还原酯(61.9mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),正丁基溴(82.2mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3a(34.6mg),收率为73%。1H NMR(400MHz,CDCl3)δ7.68–7.59(m,2H),7.42–7.34(m,3H),2.61–2.51(m,2H),1.84(s,6H),1.66–1.57(m,2H),1.33–1.25(m,2H),0.82(t,J=7.3Hz,3H).13C NMR(100MHz,CDCl3)δ137.7,128.5,128.5,127.9,64.7,46.1,22.7,22.5,21.8,13.4.IRν2960,2873,1467,1450,1290,1271,1118,1095,777,698,661cm-1;HRMS(EI)for C13H20O2S Calculated:240.1184,found:240.1180.
实施例2
化合物3b的合成:
Figure BDA0002404573130000071
向反应管中加入1-苯基-1-环丙羧酸衍生的氧化还原酯(61.5mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),正丁基溴(82.2mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3b(36.2mg),收率为76%。1H NMR(400MHz,CDCl3)δ7.56(dd,J=6.5,3.0Hz,2H),7.40–7.35(m,3H),2.88–2.80(m,2H),1.82–1.79(m,2H),1.78–1.71(m,2H),1.41–1.32(m,2H),1.28–1.24(m,2H),0.89(t,J=7.3Hz,3H).13C NMR(100MHz,CDCl3)δ134.6,131.7,129.0,128.7,49.9,44.7,23.6,21.7,13.5,11.7.IRν2962,2873,1494,1448,1415,1298,1130,933,808,700,665cm-1;HRMS(EI)for C13H18O2S Calculated:238.1028,found:238.1031.
实施例3
化合物3c的合成:
Figure BDA0002404573130000072
向反应管中加入1-(4-溴苯基)环丙甲酸衍生的氧化还原酯(77.2mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),正丁基溴(82.2mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3b(38.7mg),收率为61%。1H NMR(400MHz,CDCl3)δ7.54–7.48(m,2H),7.47–7.40(m,2H),2.84–2.80(m,2H),1.82–1.79(m,2H),1.76–1.71(m,2H),1.42–1.33(m,2H),1.25–1.21(m,2H),0.89(t,J=7.4Hz,3H).13C NMR(100MHz,CDCl3)δ133.7,133.2,132.0,123.4,50.0,44.1,23.6,21.7,13.5,11.7.IRν2960,2873,1490,1396,1309,1296,1131,1091,1010,835,713,686,597cm-1;HRMS(EI)for C13H17BrO2S Calculated:316.0133,found:316.0130.
实施例4
化合物3d的合成:
Figure BDA0002404573130000081
向反应管中加入1-(2,2-二氟苯并[D][1,3]二氧杂环戊烯-5-基)环丙烷甲酸衍生的氧化还原酯(77.5mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),正丁基溴(82.2mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3d(31.8mg),收率为50%。1H NMR(400MHz,CDCl3)δ7.26(d,J=1.7Hz,1H),7.21–7.19(m,1H),6.98(d,J=8.0Hz,1H),2.80–2.76(m,2H),1.77–1.74(m,2H),1.71–1.67(m,2H),1.37–1.28(m,2H),1.19–1.17(m,2H),0.84(t,J=7.4Hz,3H).13C NMR(100MHz,CDCl3)δ144.2,143.8,131.7(t,J=255Hz),130.7,127.0,113.2,109.4,49.9,44.4,23.5,21.7,13.5,12.2.19F NMR(376MHz,CDCl3)δ-49.81.IRν2966,2877,1500,1440,1240,1157,1126,1033,906,896,821,705,626cm-1;HRMS(EI)for C14H16F2O4S Calculated:318.0737,found:318.0742.
实施例5
化合物3e的合成:
Figure BDA0002404573130000091
向反应管中加入1-苯基环戊烷羧酸衍生的氧化还原酯(67.1mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),正丁基溴(82.2mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3e(41.0mg),收率为77%。1H NMR(400MHz,CDCl3)δ7.58(dd,J=8.1,1.3Hz,2H),7.41–7.32(m,3H),2.78–2.71(m,2H),2.57–2.53(m,2H),2.43–2.37(m,2H),2.03–1.92(m,2H),1.73–1.64(m,2H),1.63–1.54(m,2H),1.31–1.25(m,2H),0.82(t,J=7.3Hz,3H).13CNMR(100MHz,CDCl3)δ137.7,129.0,128.5,128.4,76.1,47.6,33.8,24.6,22.8,21.8,13.5.IRν2958,2873,1448,1282,1269,1120,756,700,607cm-1;HRMS(ESI)for C15H22O2SNa+Calculated:289.1233,[M+Na]+found:289.1229.
实施例6
化合物3f的合成:
Figure BDA0002404573130000092
向反应管中加入金刚烷甲酸衍生的氧化还原酯(65.0mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),正丁基溴(82.2mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3f(35.9mg),收率为70%。1H NMR(400MHz,CDCl3)δ7.88(d,J=8.6Hz,2H),7.72(d,J=8.6Hz,2H),7.51(s,1H),3.04(s,3H),2.23(s,3H).13C NMR(100MHz,CDCl3)δ168.6,142.7,135.2,128.7,119.5,44.6,24.8.IRν3026,1683,1643,1587,1529,1417,1363,1224,964,821,765cm-1;HRMS(EI)for C9H11NO3S Calculated:213.0460,found:213.0461.
实施例7
化合物3g的合成:
Figure BDA0002404573130000101
向反应管中加入1-(3-甲氧基丙基)环己烷-1-甲酸衍生地氧化还原酯(69.0mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),正丁基溴(82.2mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3g(35.9mg),收率为65%。1H NMR(400MHz,CDCl3)δ3.39(t,J=5.7Hz,2H),3.32(s,3H),2.89–2.85(m,2H),1.97–1.89(m,2H),1.87–1.79(m,8H),1.75–1.66(m,3H),1.51–1.40(m,4H),1.27–1.19(m,1H),0.95(t,J=7.4Hz,3H).13C NMR(100MHz,CDCl3)δ72.6,64.9,58.5,46.1,28.3,26.9,24.9,23.8,22.5,22.1,21.2,13.6;IRν2931,2872,2827,1462,1286,1267,1118,1097,852,705,678cm-1;HRMS(EI)for C14H28O3SCalculated:276.1759,found:276.1752.
实施例8
化合物3h的合成:
Figure BDA0002404573130000102
向反应管中加入1-甲基-1-环已羧酸衍生的氧化还原酯(57.4mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),正丁基溴(82.2mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3h(29.7mg),收率为68%。1H NMR(400MHz,CDCl3)δ2.84(m,2H),1.90–1.80(m,4H),1.76–1.65(m,5H),1.50–1.36(m,7H),1.18(d,J=11.2Hz,1H),0.93(t,J=7.4Hz,3H).13C NMR(100MHz,CDCl3)δ62.3,44.8,29.3,25.0,22.3,22.0,21.2,17.1,13.6;IRν2937,2870,2850,1465,1263,1136,1091,975,856,790,727,680cm-1;HRMS(EI)forC11H22O2S Calculated:218.1341,found:218.1345.
实施例9
化合物3i的合成:
Figure BDA0002404573130000111
向反应管中加入特戊酸衍生的氧化还原酯(49.5mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),正丁基溴(82.2mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3i(20.7mg),收率为58%。1H NMR(400MHz,CDCl3)δ2.93–2.87(m,2H),1.92–1.83(m,2H),1.53–1.45(m,2H),1.41(s,9H),0.97(t,J=7.3Hz,3H).13C NMR(100MHz,CDCl3)δ58.8,45.3,23.5,22.5,22.1,13.6.IRν2960,2857,1465,1288,1269,1112,808,756,713,657cm-1;HRMS(ESI)for C8H18O2SH+Calculated:179.1112,[M+H]+found:179.1098.
实施例10
化合物3j的合成:
Figure BDA0002404573130000121
向反应管中加入环己基甲酸衍生的氧化还原酯(55.0mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),正丁基溴(82.2mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3j(22.0mg),收率为54%。1H NMR(400MHz,CDCl3)δ2.92–2.86(m,2H),2.85–2.78(m,1H),2.14(d,J=11.4Hz,2H),1.92(d,J=13.1Hz,2H),1.84–1.77(m,2H),1.74(s,1H),1.59–1.51(m,2H),1.49–1.43(m,2H),1.34–1.20(m,3H),0.95(t,J=7.4Hz,3H).13C NMR(100MHz,CDCl3)δ60.8,49.1,25.0(7),25.0(5),25.0,23.3,21.9,13.5.IRν2935,2858,1452,1361,1298,1265,1222,1130,1111,894,823,700cm-1;HRMS(EI)for C10H20O2SCalculated:204.1184,found:204.1181.
实施例11
化合物3k的合成:
Figure BDA0002404573130000122
向反应管中加入1,2,3,4-四氢-1-萘甲酸衍生的氧化还原酯(64.3mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),正丁基溴(82.2mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3k(25.2mg),收率为50%。1H NMR(400MHz,CDCl3)δ7.47(d,J=7.6Hz,1H),7.23–7.17(m,1H),7.12(dd,J=16.3,7.7Hz,2H),4.27–4.20(m,1H),2.87–2.67(m,4H),2.48–2.39(m,1H),2.18–2.07(m,2H),1.75–1.64(m,3H),1.38–1.29(m,2H),0.84(t,J=7.4Hz,3H).13C NMR(100MHz,CDCl3)δ139.5,131.0,129.7,128.6,127.2,126.1,62.9,49.9,28.8,23.9,23.3,21.9,19.7,13.6.IRν2958,2937,2873,1452,1294,1122,815,773,738,569cm-1;HRMS(EI)for C14H20O2S Calculated:252.1184,found:252.1186.
实施例12
化合物3l的合成:
Figure BDA0002404573130000131
向反应管中加入2-茚羧酸衍生的氧化还原酯(61.5mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),正丁基溴(82.2mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3l(25.0mg),收率为52%。1H NMR(400MHz,CDCl3)δ7.26–7.18(m,4H),3.97–3.88(m,1H),3.55–3.49(m,2H),3.37–3.31(m,2H),2.94–2.88(m,2H),1.90–1.81(m,2H),1.51–1.42(m,2H),0.95(t,J=7.4Hz,3H).13C NMR(100MHz,CDCl3)δ139.4,127.3,124.5,60.7,50.8,33.4,23.4,21.8,13.5.IRν2958,2931,2873,1460,1313,1267,1244,1124,997,738,628cm-1;HRMS(EI)for C13H18O2S Calculated:238.1028,found:238.1023.
实施例13
化合物3m的合成:
Figure BDA0002404573130000141
向反应管中加入2-苯基丁酸衍生的氧化还原酯(61.9mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),正丁基溴(82.2mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3m(28.8mg),收率为60%。1H NMR(400MHz,CDCl3)δ7.47–7.32(m,5H),3.90(dd,J=11.3,3.7Hz,1H),2.70–2.55(m,2H),2.52–2.42(m,1H),2.16–2.14(m,1H),1.73–1.63(m,2H),1.35–1.28(m,2H),0.90–0.83(m,6H).13CNMR(100MHz,CDCl3)δ133.1,129.4,129.0,129.0,70.1,50.4,23.5,21.7,20.7,13.4,11.4.IR(film)ν2935,2875,1454,1313,1288,1132,802,700,611cm-1;HRMS(EI)for C13H20O2S Calculated:240.1184,found:240.1187.
实施例14
化合物3n的合成:
Figure BDA0002404573130000142
向反应管中加入2-甲基丁酸衍生的氧化还原酯(49.5mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),正丁基溴(82.2mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3n(23.9mg),收率为65%。1H NMR(400MHz,CDCl3)δ2.97–2.88(m,2H),2.87–2.81(m,1H),2.15–2.01(m,1H),1.86–1.78(m,2H),1.61–1.52(m,1H),1.52–1.43(m,2H),1.37(d,J=6.9Hz,3H),1.05(t,J=7.5Hz,3H),0.96(t,J=7.3Hz,3H).13C NMR(100MHz,CDCl3)δ58.9,49.3,23.3,22.1,21.9,13.5,12.3,11.2.IRν2966,2875,1465,1296,1132,962,914,850,800cm-1;HRMS(EI)for C8H18O2S Calculated:178.1028,found:178.1027.
实施例15
化合物3o的合成:
Figure BDA0002404573130000151
向反应管中加入萘乙酸衍生的氧化还原酯(66.3mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),正丁基溴(82.2mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3o(16.3mg),收率为31%。1H NMR(400MHz,CDCl3)δ8.13(d,J=8.5Hz,1H),7.90(dd,J=8.1,3.1Hz,2H),7.64–7.56(m,2H),7.56–7.47(m,2H),4.74(s,2H),2.91–2.85(m,2H),1.83–1.75(m,2H),1.42–1.33(m,2H),0.88(t,J=7.4Hz,3H).13C NMR(100MHz,CDCl3)δ134.1,132.1,130.3,130.0,129.0,127.0,126.3,125.3,124.4,123.7,56.7,51.4,23.6,21.7,13.4.IR(film)ν3049,2960,2922,2873,1313,1271,1126,808,779,648cm-1;HRMS(EI)for C15H18O2S Calculated:262.1028,found:262.1025.
实施例16
化合物3p的合成:
Figure BDA0002404573130000152
Figure BDA0002404573130000161
向反应管中加入布洛芬衍生的氧化还原酯(67.1mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),正丁基溴(82.2mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3p(32.2mg),收率为57%。1H NMR(400MHz,CDCl3)δ7.33(d,J=8.1Hz,2H),7.16(d,J=8.1Hz,2H),4.15(q,J=7.2Hz,1H),2.74–2.62(m,2H),2.47(d,J=7.2Hz,2H),1.89–1.82(m,1H),1.76(d,J=7.2Hz,3H),1.73–1.62(m,2H),1.37–1.30(m,2H),0.89(dd,J=6.6,0.7Hz,6H),0.85(t,J=7.4Hz,3H).13C NMR(100MHz,CDCl3)δ142.8,131.7,129.7,128.6,63.0,49.6,45.0,30.1,23.5,22.3,21.7,13.6,13.4.IRν2958,1512,1467,1315,1132,852,806,760cm-1;HRMS(EI)for C16H26O2S Calculated:282.1654,found:282.1659.
实施例17
化合物3q的合成:
Figure BDA0002404573130000162
向反应管中加入二甲基苯乙酸衍生的氧化还原酯(61.9mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),乙基溴(65.4mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3q(30.2mg),收率为71%。1H NMR(400MHz,CDCl3)δ7.64(dd,J=8.1,1.2Hz,2H),7.43–7.33(m,3H),2.61(q,J=7.5Hz,2H),1.85(s,6H),1.16(t,J=7.5Hz,3H).13C NMR(100MHz,CDCl3)δ137.71,128.53,128.49,127.92,64.56,40.89,22.53,5.21.IR(film)ν2983,1498,1450,1292,1159,1118,1095,1045,777,698,578cm-1;HRMS(EI)for C11H16O2S Calculated:212.0871,found:212.0874.
实施例18
化合物3r的合成:
Figure BDA0002404573130000171
向反应管中加入二甲基苯乙酸衍生的氧化还原酯(61.9mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),正戊基溴(90.6mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3r(37.0mg),收率为73%。1H NMR(400MHz,CDCl3)δ7.67–7.60(m,2H),7.37(m,3H),2.60–2.52(m,2H),1.84(s,6H),1.67–1.59(m,2H),1.27–1.18(m,4H),0.87–0.77(m,3H).13C NMR(100MHz,CDCl3)δ137.7,128.5,128.4,127.9,64.7,46.4,30.7,22.5,22.1,20.4,13.6.IR(film)ν2956,2872,1465,1450,1288,1118,1095,1031,923,777,696,663cm-1;HRMS(EI)for C14H22O2S Calculated:254.1341,found:254.1345.
实施例19
化合物3s的合成:
Figure BDA0002404573130000172
向反应管中加入二甲基苯乙酸衍生的氧化还原酯(61.9mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),1-溴辛烷(115.9mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3s(45.0mg),收率为76%。1H NMR(400MHz,CDCl3)δ7.68–7.59(m,2H),7.44–7.32(m,3H),2.61–2.52(m,2H),1.84(s,6H),1.68–1.57(m,2H),1.28–1.16(m,10H),0.84(t,J=7.0Hz,3H).13C NMR(100MHz,CDCl3)δ137.7,128.5,128.5,127.9,64.7,52.7,46.5,31.6,28.9,28.8,28.6,22.5,20.7,14.0.IR(film)ν2953,2924,2854,1286,1159,1118,1095,1031,777,696,663cm-1;HRMS(EI)for C17H28O2S Calculated:296.1810,found:296.1812.
实施例20
化合物3t的合成:
Figure BDA0002404573130000181
向反应管中加入二甲基苯乙酸衍生的氧化还原酯(61.9mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),4-苯基-1-丁基溴(128.0mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3t(42.4mg),收率为67%。1H NMR(400MHz,CDCl3)δ7.61(dd,J=8.1,1.5Hz,2H),7.41–7.35(m,3H),7.25(dd,J=9.6,5.0Hz,2H),7.17(d,J=7.3Hz,1H),7.08(d,J=7.0Hz,2H),2.59–2.50(m,4H),1.83(s,6H),1.71–1.56(m,4H).13C NMR(100MHz,CDCl3)δ141.4,137.7,128.5(3),128.5(1),128.3(3),128.2(7),127.9,125.9,64.8,46.3,35.3,30.3,22.5,20.5.IR(film)ν2941,2858,1496,1452,1286,1159,1118,1095,777,746,698,663cm-1;HRMS(EI)for C19H24O2S Calculated:316.1497,found:316.1500.
实施例21
化合物3u的合成:
Figure BDA0002404573130000191
向反应管中加入二甲基苯乙酸衍生的氧化还原酯(61.9mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),(5-溴正戊基)苯(136.0mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3u(43.7mg),收率为66%。1H NMR(400MHz,CDCl3)δ7.66(dd,J=8.0,1.6Hz,2H),7.42(m,3H),7.31–7.26(m,2H),7.17(m,3H),2.65–2.49(m,4H),1.87(s,6H),1.74–1.52(m,4H),1.37–1.27(m,2H).13C NMR(100MHz,CDCl3)δ142.0,137.7,128.6,128.5,128.3(0),128.2(6),127.9,125.7,64.8,46.3,35.4,30.7,28.2,22.5,20.7.IR(film)ν2931,2856,1496,1452,1286,1159,1118,1095,779,698,663cm-1;HRMS(EI)for C20H26O2SCalculated:330.1654,found:330.1658.
实施例22
化合物3v的合成:
Figure BDA0002404573130000192
向反应管中加入二甲基苯乙酸衍生的氧化还原酯(61.9mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),9-(2-溴乙基)-9H-咔唑(165.0mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3v(37.7mg),收率为50%。1H NMR(400MHz,CDCl3)δ7.95(d,J=7.7Hz,2H),7.56(dd,J=8.0,1.5Hz,2H),7.37–7.29(m,5H),7.16–7.10(m,4H),4.43–4.37(m,2H),3.01–2.95(m,2H),1.77(s,6H).13C NMR(100MHz,CDCl3)δ139.4,137.0,129.0,128.9,128.0,126.0,123.2,120.5,119.6,108.2,65.7,44.6,35.7,22.3.IR(film)ν3053,1597,1485,1454,1327,1300,1236,1155,1118,1095,777,752,725,700cm-1;HRMS(EI)forC23H23NO2S Calculated:377.1449,found:377.1446.
实施例23
化合物3w的合成:
Figure BDA0002404573130000201
向反应管中加入二甲基苯乙酸衍生的氧化还原酯(61.9mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),3-(2-溴乙基)噻吩(115.0mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3w(39.9mg),收率为68%。1H NMR(400MHz,CDCl3)δ7.65(dd,J=8.2,1.4Hz,2H),7.40(m,3H),7.22(dd,J=4.9,3.0Hz,1H),6.88(d,J=2.0Hz,1H),6.79(dd,J=4.9,1.1Hz,1H),2.96–2.82(m,4H),1.87(s,6H).13C NMR(100MHz,CDCl3)δ138.2,137.4,128.7,128.6,128.0,127.6,126.1,121.5,65.0,47.3,22.5,21.7.IR(film)ν3095,2987,1734,1714,1450,1284,1267,1116,1093,783,700,626,590cm-1;HRMS(EI)forC15H18O2S2 Calculated:294.0748,found:294.0753.
实施例24
化合物3x的合成:
Figure BDA0002404573130000202
Figure BDA0002404573130000211
向反应管中加入二甲基苯乙酸衍生的氧化还原酯(61.9mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),2-苯氧乙基溴(120.0mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3x(47.9mg),收率为79%。1H NMR(400MHz,CDCl3)δ7.63–7.55(m,2H),7.37–7.28(m,3H),7.20–7.13(m,2H),6.89–6.85(m,1H),6.70(d,J=7.9Hz,2H),4.03(t,J=7.0Hz,2H),3.05(t,J=7.0Hz,2H),1.80(s,6H).13C NMR(100MHz,CDCl3)δ157.7,137.1,129.5,128.8,128.7,128.1,121.4,114.5,65.6,60.5,46.7,22.3.IR(film)ν2997,1598,1587,1496,1388,1300,1240,1118,1095,1031,777,754,692cm-1;HRMS(EI)forC17H20O3SCalculated:304.1133,found:304.1130.
实施例25
化合物3y的合成:
Figure BDA0002404573130000212
向反应管中加入二甲基苯乙酸衍生的氧化还原酯(61.9mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),4-溴正丁炔(79.8mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3y(33.0mg),收率为70%。1H NMR(400MHz,CDCl3)δ7.63(dd,J=8.1,1.5Hz,2H),7.45–7.35(m,3H),2.83–2.79(m,2H),2.49–2.41(m,2H),1.97(t,J=2.7Hz,1H),1.86(s,6H).13C NMR(100MHz,CDCl3)δ137.1,128.8,128.7,128.0,80.1,70.2,65.1,45.3,22.4,11.5.IR(film)ν3275,2997,1498,1450,1300,1269,1159,1116,1095,1031,985,777,696,657cm-1;HRMS(EI)for C13H16O2SCalculated:236.0871,found:236.0866.
实施例26
化合物3z的合成:
Figure BDA0002404573130000221
向反应管中加入二甲基苯乙酸衍生的氧化还原酯(61.9mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),5-溴-1-戊烯(89.4mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3z(47.9mg),收率为79%。1H NMR(400MHz,CDCl3)δ7.63(dd,J=8.2,1.4Hz,2H),7.43–7.33(m,3H),5.72–5.52(m,1H),5.00–4.87(m,2H),2.60–2.55(m,2H),2.03(q,J=7.1Hz,2H),1.84(s,6H),1.76–1.67(m,2H).13C NMR(100MHz,CDCl3)δ137.6,136.4,128.5,127.9,116.1,64.8,45.6,32.3,22.5,20.0.IR(film)ν3076,2997,1641,1498,1450,1290,1118,1095,921,777,698cm-1;HRMS(EI)for C14H20O2SCalculated:252.1184,found:252.1187.
实施例27
化合物3aa的合成:
Figure BDA0002404573130000222
向反应管中加入二甲基苯乙酸衍生的氧化还原酯(61.9mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),溴甲基环丁烷(89.4mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3aa(39.3mg),收率为78%。1H NMR(400MHz,CDCl3)δ7.65–7.58(m,2H),7.43–7.33(m,3H),2.81–2.71(m,1H),2.66(d,J=7.3Hz,2H),2.15–2.08(m,2H),1.96–1.86(m,1H),1.82(s,6H),1.78–1.66(m,3H).13C NMR(100MHz,CDCl3)δ137.7,128.5,128.4,127.9,64.8,51.8,28.7,28.5,22.4,19.3.IR(film)ν2980,2939,1498,1448,1290,1155,1118,1095,1031,923,779,696,667cm-1;HRMS(EI)for C14H20O2SCalculated:252.1184,found:252.1181.
实施例28
化合物3ab的合成:
Figure BDA0002404573130000231
向反应管中加入二甲基苯乙酸衍生的氧化还原酯(61.9mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),2-溴丁烷(82.2mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3ab(24.0mg),收率为50%。1H NMR(400MHz,CDCl3)δ7.66(dd,J=8.1,1.4Hz,2H),7.43–7.34(m,3H),2.89–2.77(m,1H),1.84(s,6H),1.66–1.56(m,2H),0.96(d,J=7.0Hz,3H),0.80(t,J=7.5Hz,3H).13C NMR(100MHz,CDCl3)δ138.1128.5,128.5,127.9,66.0,55.5,23.5,23.3,13.8,11.0.IR(film)ν2980,1450,1284,1157,1118,1093,925,775,698,590cm-1;HRMS(EI)for C13H20O2SCalculated:240.1184,found:240.1186.
实施例29
化合物3ac的合成:
Figure BDA0002404573130000241
向反应管中加入二甲基苯乙酸衍生的氧化还原酯(61.9mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),伊索克酸衍生物(189.7mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3ac(65.6mg),收率为78%。1H NMR(400MHz,CDCl3)δ7.92–7.84(m,2H),7.65(dd,J=8.2,1.4Hz,2H),7.57–7.52(m,1H),7.48–7.41(m,2H),7.41–7.33(m,3H),7.18(dd,J=8.4,2.4Hz,1H),6.93(d,J=8.4Hz,1H),5.13(s,2H),2.87(s,4H),1.87(s,6H).13C NMR(100MHz,CDCl3)δ190.7,160.1,140.2,137.2,135.6,135.5,132.8,131.8,131.2,129.4,129.2,128.7(0),128.6(5),128.0,127.8,125.2,121.1,73.5,65.0,47.9,26.2,22.5.IR(film)ν2993,1647,1610,1489,1411,1300,1118,1095,1014,831,760,698,642cm-1;HRMS(EI)for C25H24O4SCalculated:420.1395,found:420.1400.
实施例30
化合物3ad的合成:
Figure BDA0002404573130000242
向反应管中加入二甲基苯乙酸衍生的氧化还原酯(61.9mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),香茅醇衍生物(75.6mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3ad(32.2mg),收率为50%。1H NMR(400MHz,CDCl3)δ7.64(dd,J=8.2,1.4Hz,2H),7.42–7.35(m,3H),5.03–4.96(m,1H),2.64–2.49(m,2H),1.93–1.82(m,8H),1.69–1.62(m,4H),1.55(s,3H),1.46–1.34(m,2H),1.23–1.13(m,1H),1.11–1.02(m,1H),0.75(d,J=6.4Hz,3H).13C NMR(100MHz,CDCl3)δ137.7,131.5,128.5,127.9,124.2,64.8,44.7,36.5,31.7,27.3,25.7,25.2,22.5,18.9,17.6.IR(film)ν2962,2918,1450,1381,1300,1159,1118,1097,921,779,736,698,588cm-1;HRMS(EI)for C18H28O2SCalculated:322.1967,found:322.1961.
实施例31
化合物3ae的合成:
Figure BDA0002404573130000251
向反应管中加入金刚烷甲酸衍生的氧化还原酯(65.0mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),磷酸三甲酯(84.0mg,0.6mmol),三乙胺(40.5mg,0.4mmol),四丁基溴化铵(96.7mg,0.3mmol),水(70μL),DMA(2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3ae(31.0mg),收率为79%。1H NMR(400MHz,CDCl3)δ2.72(s,3H),2.18(s,3H),2.01(d,J=2.8Hz,6H),1.73(q,J=12.5Hz,6H).13C NMR(100MHz,CDCl3)δ59.9,35.7,34.7,33.1,28.0.IRν2908,2862,1327,1278,1259,1139,1049,968,837,752cm-1;HRMS(EI)for C11H18O2S Calculated:214.1028,found:214.1026.
实施例32
化合物3af的合成:
Figure BDA0002404573130000252
向反应管中加入二甲基苯乙酸衍生的氧化还原酯(61.9mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),磷酸三甲酯(84.0mg,0.6mmol),三乙胺(40.5mg,0.4mmol),四丁基溴化铵(96.7mg,0.3mmol),水(70μL),DMA(2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3af(33.7mg),收率为85%。1H NMR(400MHz,CDCl3)δ7.64(dd,J=8.2,1.4Hz,2H),7.46–7.31(m,3H),2.50(s,3H),1.85(s,6H).13C NMR(100MHz,CDCl3)δ137.6,128.6(0),128.5(6),127.9,64.6,34.6,22.3.IR(film)ν2920,2850,1469,1450,1286,1161,1118,1095,952,779,721,696cm-1;HRMS(ESI)for C10H14O2SNa+Calculated:221.0607,[M+Na]+found:221.0602.
实施例33
化合物3ag的合成:
Figure BDA0002404573130000261
向反应管中加入特戊酸衍生的氧化还原酯(49.5mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),磷酸三甲酯(84.0mg,0.6mmol),三乙胺(40.5mg,0.4mmol),四丁基溴化铵(96.7mg,0.3mmol),水(70μL),DMA(2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3ag(15.0mg),收率为55%。1H NMR(400MHz,CDCl3)δ2.80(s,3H),1.42(s,9H).13C NMR(100MHz,CDCl3)δ58.6,34.1,23.4.IRν2985,2935,1280,1116,956,808,758,603cm-1;HRMS(ESI)for C5H12O2SNa+Calculated:159.0450,[M+Na]+found:159.0448.
实施例34
化合物3ah的合成:
Figure BDA0002404573130000262
Figure BDA0002404573130000272
向反应管中加入环己基甲酸衍生的氧化还原酯(55.0mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),磷酸三甲酯(84.0mg,0.6mmol),三乙胺(40.5mg,0.4mmol),四丁基溴化铵(96.7mg,0.3mmol),水(70μL),DMA(2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3ah(23.5mg),收率为73%。1H NMR(400MHz,CDCl3)δ2.86–2.74(m,4H),2.22–2.16(m,2H),1.98–1.88(m,2H),1.76–1.68(m,1H),1.50(qd,J=12.4,3.2Hz,2H),1.36–1.18(m,3H).13C NMR(100MHz,CDCl3)δ62.4,37.2,25.4,25.0(0),24.9(7).IRν2933,2858,1452,1296,1267,1134,1111,960,761cm-1;HRMS(ESI)forC7H14O2SH+Calculated:163.0787,[M+H]+found:163.0785.
实施例35
化合物3ai的合成:
Figure BDA0002404573130000271
向反应管中加入2-甲基丁酸衍生的氧化还原酯(49.5mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),磷酸三甲酯(84.0mg,0.6mmol),三乙胺(40.5mg,0.4mmol),四丁基溴化铵(96.7mg,0.3mmol),水(70μL),DMA(2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3ai(20.4mg),收率为75%。1H NMR(400MHz,CDCl3)δ2.89–2.82(m,1H),2.81(s,3H),2.14–2.05(m,1H),1.58–1.50(m,1H),1.39(d,J=6.9Hz,3H),1.06(t,J=7.5Hz,3H).13C NMR(100MHz,CDCl3)δ60.6,37.2,22.6,12.7,11.2.IRν2978,2937,1465,1296,1136,1118,954,759cm-1;HRMS(ESI)for C5H12O2SH+Calculated:137.0631,[M+H]+found:137.0629.
实施例36
化合物3aj的合成:
Figure BDA0002404573130000281
向反应管中加入1-苯基环戊烷羧酸衍生的氧化还原酯(67.1mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),磷酸三乙酯(109.3mg,0.6mmol),三乙胺(40.5mg,0.4mmol),四丁基溴化铵(96.7mg,0.3mmol),水(70μL),DMA(2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3aj(33.3mg),收率为70%。1H NMR(400MHz,CDCl3)δ7.59(dd,J=8.2,1.4Hz,2H),7.42–7.33(m,3H),2.83–2.70(m,2H),2.59(q,J=7.5Hz,2H),2.46–2.37(m,2H),2.03–1.93(m,2H),1.73–1.62(m,2H),1.15(t,J=7.5Hz,3H).13C NMR(100MHz,CDCl3)δ137.6,129.0,128.5,128.4,75.8,42.3,33.9,24.5,5.3.IRν2966,2875,1494,1448,1294,1120,1035,779,700,603cm-1;HRMS(ESI)forC13H18O2SNa+ Calculated:261.0920,[M+Na]+found:261.0914.
实施例37
化合物3ak的合成:
Figure BDA0002404573130000282
向反应管中加入金刚烷甲酸衍生的氧化还原酯(65.0mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),对甲苯磺酸正庚酯(162.2mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3ak(40.6mg),收率为68%。1H NMR(400MHz,CDCl3)δ2.83–2.79(m,2H),2.16(s,3H),2.01(d,J=2.7Hz,6H),1.89–1.81(m,2H),1.72(q,J=12.5Hz,6H),1.46–1.37(m,2H),1.34–1.23(m,6H),0.86(t,J=6.8Hz,3H).13C NMR(100MHz,CDCl3)δ60.2,44.5,35.8,34.8,31.5,28.8(4),28.8(3),28.1,22.5,20.2,14.0.IRν2910,2854,1454,1284,1138,1105,1049,975,837,758,603cm-1;HRMS(EI)for C17H30O2S Calculated:298.1967,found:298.1962.
实施例38
化合物3al的合成:
Figure BDA0002404573130000291
向反应管中加入2-苯基丁酸衍生的氧化还原酯(61.9mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),对甲苯磺酸乙酯(60.8mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物3al(30.2mg),收率为71%。1H NMR(400MHz,CDCl3)δ7.42–7.36(m,5H),3.92(dd,J=11.3,3.7Hz,1H),2.75–2.59(m,2H),2.51–2.42(m,1H),2.16–2.06(m,1H),1.24(t,J=7.5Hz,3H),0.88(t,J=7.4Hz,3H).13C NMR(100MHz,CDCl3)δ133.0,129.3,129.1,129.0,69.5,45.0,20.6,11.3,6.0.IR(film)ν3018,1454,1307,1132,1045,759,707,575cm-1;HRMS(EI)for C11H16O2S Calculated:212.0871,found:212.0868.
实施例39
化合物4a的合成:
Figure BDA0002404573130000292
Figure BDA0002404573130000302
向反应管中加入萘普生衍生的氧化还原酯(75.0mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),正丁基溴(82.2mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物4a(32.5mg),收率为53%。1H NMR(400MHz,CDCl3)δ7.77(m,3H),7.52(dd,J=8.5,1.6Hz,1H),7.22–7.10(m,2H),4.31(q,J=7.1Hz,1H),3.93(s,3H),2.77–2.63(m,2H),1.86(d,J=7.1Hz,3H),1.79–1.68(m,2H),1.36–1.27(m,2H),0.84(t,J=7.4Hz,3H).13C NMR(100MHz,CDCl3)δ158.4,134.7,129.6,129.5,128.7,128.2,127.6,126.5,119.6,105.6,63.3,55.4,49.7,23.4,21.7,13.8,13.5.IR(film)ν2962,1606,1485,1394,1265,1234,1130,1029,923,854,810cm-1;HRMS(EI)for C17H22O3SCalculated:306.1290,found:306.1295.
实施例40
化合物4b的合成:
Figure BDA0002404573130000301
向反应管中加入二甲基苯乙酸衍生的氧化还原酯(67.1mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),布洛芬衍生物(187.9mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物4b(69.9mg),收率为82%。1H NMR(400MHz,CDCl3)δ7.57–7.54(m,2H),7.42–7.35(m,3H),7.12(q,J=8.2Hz,4H),4.01(t,J=6.0Hz,2H),3.62(q,J=7.2Hz,1H),2.52(td,J=7.1,3.6Hz,2H),2.46(d,J=7.2Hz,2H),1.91–1.83(m,3H),1.79(s,6H),1.43(d,J=7.2Hz,3H),0.91(d,J=6.6Hz,6H).13C NMR(100MHz,CDCl3)δ174.2,140.5,137.5,137.2,129.3,128.6,128.5,127.9,127.0,64.8,62.5,45.0,44.9,43.1,30.1,22.3(3),22.2(8),20.6,18.2.IRν2954,2868,1498,1276,1157,1118,1095,923,850,777,698cm-1;HRMS(EI)for C25H34O4S Calculated:430.2178,found:430.2182.
实施例41
化合物4c的合成:
Figure BDA0002404573130000311
向反应管中加入吉非罗齐衍生的氧化还原酯(79.0mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),正丁基溴(82.2mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物4c(40.0mg),收率为62%。1H NMR(400MHz,CDCl3)δ7.01(d,J=7.5Hz,1H),6.67(d,J=7.5Hz,1H),6.61(s,1H),3.98(t,J=5.6Hz,2H),2.94–2.90(m,2H),2.31(s,3H),2.17(s,3H),2.01–1.86(m,6H),1.52–1.47(m,2H),1.42(s,6H),0.98(t,J=7.4Hz,3H).13C NMR(100MHz,CDCl3)δ156.7,136.6,130.4,123.5,121.0,112.0,67.4,61.8,45.7,32.2,24.2,22.5,22.1,21.4,20.7,15.8,13.6.IR(film)ν2958,2872,1614,1585,1508,1462,1286,1269,1111,1041,804cm-1;HRMS(EI)for C18H30O3SCalculated:326.1916,found:326.1920.
实施例42
化合物4d的合成:
Figure BDA0002404573130000312
向反应管中加入松香酸衍生的氧化还原酯(89.9mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),正丁基溴(82.2mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物4d(37.8mg),收率为50%。1H NMR(400MHz,CDCl3)δ5.77(s,1H),5.43–5.32(m,1H),2.94–2.77(m,3H),2.66–2.58(m,1H),2.24–2.16(m,2H),2.10–2.04(m,2H),1.91–1.77(m,7H),1.50(s,3H),1.48–1.44(m,2H),1.25–1.19(m,2H),1.15–1.06(m,2H),1.01–0.93(m,9H),0.86(s,3H).13C NMR(100MHz,CDCl3)δ145.2,134.7,122.2,120.3,67.1,50.5,45.9,41.9,37.7,35.8,34.8,34.4,27.3,25.3,22.6,22.1,21.4,20.8,18.2,15.2,14.2,13.6.IR(film)ν2958,2872,1710,1361,1267,1220,1118,1091,827,759,736cm-1;HRMS(EI)forC23H38O2SCalculated:378.2593,found:378.2596.
实施例43
化合物4e的合成:
Figure BDA0002404573130000321
向反应管中加入二甲基苯乙酸衍生的氧化还原酯(89.1mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),Boc-L-酪氨酸衍生物(430.3mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物4e(75.9mg),收率为71%。1H NMR(400MHz,CDCl3)δ7.63(dd,J=8.1,1.5Hz,2H),7.40–7.33(m,3H),7.00(d,J=8.4Hz,2H),6.71(d,J=8.5Hz,2H),4.96(d,J=7.8Hz,1H),4.52(d,J=7.1Hz,1H),3.83(t,J=5.7Hz,2H),3.70(s,3H),3.08–2.90(m,2H),2.72–2.63(m,2H),1.85(s,7H),1.80–1.72(m,3H),1.41(s,9H).13C NMR(100MHz,CDCl3)δ172.3,157.7,155.0,137.6,130.2,128.6,128.5,127.9,114.4,79.8,66.9,64.8,54.5,52.1,46.0,37.4,28.3,28.1,22.4,18.2.IR(film)ν2976,1708,1512,1438,1363,1286,1244,1161,1118,1095,1053,831,777,698,663cm-1;HRMS(EI)forC28H39NO7SCalculated:533.2447,found:533.2453.
实施例44
化合物4f的合成:
Figure BDA0002404573130000331
向反应管中加入二甲基苯乙酸衍生的氧化还原酯(89.1mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),果糖二丙酮衍生物(237.2mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物4f(65.7mg),收率为66%。1H NMR(400MHz,CDCl3)δ7.66–7.58(m,2H),7.41–7.32(m,3H),4.57(dd,J=7.9,2.6Hz,1H),4.29(d,J=2.6Hz,1H),4.22–4.18(m,1H),3.87(dd,J=12.9,1.7Hz,1H),3.69(d,J=12.9Hz,1H),3.50–3.34(m,4H),2.62–2.57(m,2H),1.82(s,6H),1.74–1.67(m,2H),1.60–1.52(m,2H),1.50(s,3H),1.44(s,3H),1.33(d,J=11.2Hz,6H).13C NMR(100MHz,CDCl3)δ137.6,128.5(0),
128.4(8),127.9,108.8,108.4,102.5,72.2,71.0,70.1,69.9,64.7,60.9,46.1,28.3,26.5,25.8,25.3,24.0,22.4,18.0.IR(film)ν2989,2935,1714,1381,1371,1290,1251,1205,1116,1068,889,777,700cm-1;HRMS(EI)for C25H38O8SCalculated:498.2287,found:498.2280.
实施例45
化合物4g的合成:
Figure BDA0002404573130000341
向反应管中加入二甲基苯乙酸衍生的氧化还原酯(89.1mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),双丙酮葡萄糖衍生物(237.1mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物4g(67.9mg),收率为68%。1H NMR(400MHz,CDCl3)δ7.61(d,J=7.0Hz,2H),7.42–7.33(m,3H),5.78(d,J=3.5Hz,1H),4.43(d,J=3.6Hz,1H),4.21–4.16(m,1H),4.07–3.99(m,2H),3.95–3.91(m,1H),3.76(d,J=2.9Hz,1H),3.53–3.42(m,2H),2.62–2.50(m,2H),1.82(s,6H),1.76–1.68(m,2H),1.59–1.51(m,2H),1.46(s,3H),1.38(s,3H),1.29(d,J=5.4Hz,6H).13C NMR(100MHz,CDCl3)δ137.6,128.5,127.9,111.7,108.9,105.1,82.4,82.1,81.0,72.3,69.7,67.2,64.7,45.9,28.5,26.7,26.1,25.3,22.4,17.9.IR(film)ν2989,1710,1361,1290,1220,1165,1120,1072,1018,848,779,700cm-1;HRMS(EI)for C25H38O8SCalculated:498.2287,found:498.2292.
实施例46
化合物4h的合成:
Figure BDA0002404573130000342
向反应管中加入二甲基苯乙酸衍生的氧化还原酯(89.1mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),胆固醇衍生物(304mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物4h(78.2mg),收率为64%。1H NMR(400MHz,CDCl3)δ7.64(dd,J=8.2,1.3Hz,2H),7.42–7.34(m,3H),5.30(d,J=5.1Hz,1H),3.44(t,J=5.9Hz,2H),3.07–2.97(m,1H),2.76–2.68(m,2H),2.24–2.18(m,1H),2.11–1.95(m,3H),1.85(s,10H),1.69–1.41(m,7H),1.38–1.23(m,6H),1.20–1.05(m,6H),0.97(s,6H),0.91(d,J=6.5Hz,4H),0.86(dd,J=6.6,1.7Hz,6H),0.67(s,3H).13C NMR(100MHz,CDCl3)δ140.7,137.6,128.5,128.0,121.6,78.9,65.7,64.8,56.7,56.1,50.1,43.5,42.3,39.7,39.5,39.0,37.1,36.8,36.2,35.7,31.8(8),31.8(5),28.3,28.2,28.0,24.3,23.8,22.8,22.5(2),22.4(6),21.9,21.0,19.3,18.7,11.8.IR(film)ν2933,2900,2848,2110,1720,1606,1560,1365,1224,1107,1093,696,599cm-1;HRMS(ESI)for C39H62O3SNa+Calculated:633.4312[M+Na]+found:633.4305.
实施例47
化合物4i的合成:
Figure BDA0002404573130000351
向反应管中加入二甲基苯乙酸衍生的氧化还原酯(89.1mg,0.2mmol),连二亚硫酸钠(69.6mg,0.4mmol),雌酚酮衍生物(234.8mg,0.6mmol),N,N’-二异丙基乙胺(51.7mg,0.4mmol),氯化锌(13.6mg,0.1mmol),四丁基溴化铵(96.7mg,0.3mmol),水(60μL),DMF/CH3CN(2:1,2mL),在氮气保护下于120℃反应15h,点板监测至氧化还原酯消耗完全,移至室温,加水淬灭,乙酸乙酯萃取,收集有机相。有机相用无水硫酸钠干燥,减压旋除溶剂,柱层析分离得到产物4(70.6mg),收率为71%。1H NMR(400MHz,CDCl3)δ7.64(dd,J=8.2,1.4Hz,2H),7.43–7.34(m,3H),7.16(d,J=8.6Hz,1H),6.61(dd,J=8.6,2.6Hz,1H),6.55(d,J=2.5Hz,1H),3.92(t,J=5.8Hz,2H),2.89–2.78(m,4H),2.50(dd,J=18.8,8.6Hz,1H),2.42–2.34(m,1H),2.28–2.21(m,1H),2.16–1.93(m,6H),1.87(s,6H),1.66–1.42(m,6H),0.90(s,3H).13C NMR(100MHz,CDCl3)δ156.4,137.7,137.4,132.4,128.6,127.9,126.3,114.4,112.1,65.8,64.9,50.3,47.9,43.9,43.5,38.3,35.8,31.5,29.6,26.4,25.9,22.4,21.5,21.3,13.8.IR(film)ν2922,2854,1734,1498,1365,1251,1118,1095,779,700cm-1;HRMS(EI)for C30H38O4SCalculated:494.2491,found:494.2498.
本发明的保护内容不局限于以上实施例。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。

Claims (17)

1.一种大位阻烷基-烷基砜类化合物的合成方法,其特征在于,在溶剂中,以式(1)氧化还原酯、式(2)还原性二氧化硫源和式(3)烷基亲电试剂为反应原料,在碱、添加剂1、添加剂2的作用下,反应得到所述式(4)烷基-烷基砜类化合物,所述反应过程如下反应式(A)所示:
Figure FDA0002404573120000011
其中,
R1为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢;R2为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢;R3为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢;
R为直链烷基、环烷基、烷氧基烷基、芳基烷基、烯基烷基、炔基烷基。
2.如权利要求1所述的合成方法,其特征在于,所述R1为C1-C10直链烷基、C1-C10环烷基、芳基C1-C10烷基、含不饱和键的C1-C10烷基或氢;R2为C1-C10直链烷基、C1-C10环烷基、芳基C1-C10烷基、含不饱和键的C1-C10烷基或氢;R3为C1-C10直链烷基、C1-C10环烷基、芳基C1-C10烷基、含不饱和键的C1-C10烷基或氢;R为C1-C10直链烷基、C1-C10环烷基、烷氧基C1-C10烷基、芳基C1-C10烷基、烯基C1-C10烷基、炔基C1-C10烷基。
3.如权利要求1所述的合成方法,其特征在于,R1为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢;R2为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢;R3为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢;R为甲基、乙基、正戊基、正庚基、正辛基、苯丙基、苯丁基、甲基环丁基、苯氧基乙基、正戊烯基、正丁炔基、噻吩乙基。
4.如权利要求1所述的合成方法,其特征在于,所述R1,R2,R3,R4分别独立地选自甲基、乙基、正戊基、正庚基、正辛基、苯丙基、苯丁基、甲基环丁基、苯氧基乙基、正戊烯基、正丁炔基或噻吩乙基。
5.如权利要求1所述的合成方法,其特征在于,所述溶剂为N,N-二甲基甲酰胺、N,N-二甲基乙酰胺、二甲亚砜、N-甲基吡咯烷酮、乙腈、水、四氢呋喃、1,4-二氧六环、环戊基甲醚、乙醚、叔丁基甲醚之任意一种或多种。
6.如权利要求1所述的合成方法,其特征在于,所述反应温度为60-140℃。
7.如权利要求1所述的合成方法,其特征在于,所述反应时间为6-20h。
8.如权利要求1所述的合成方法,其特征在于,所述还原性二氧化硫源为连二亚硫酸钠(保险粉)、焦亚硫酸钠、焦亚硫酸钾、二氧化硫脲、甲醛合次硫酸氢钠之任意一种或多种。
9.如权利要求1所述的合成方法,其特征在于,所述烷基亲电试剂为烷基溴、烷基苯磺酸酯、烷基磷酸酯中的一种或多种。
10.如权利要求1所述的合成方法,其特征在于,所述式(1)氧化还原酯、式(2)还原性二氧化硫源及式(3)烷基亲电试剂的摩尔比为1:(1-8):(1-8)。
11.如权利要求1所述的合成方法,其特征在于,所述添加剂1选自氯化镁、氯化锌、氯化锂、溴化锌、碘化锌、氯化锡、氯化铝、氟化锂之任意一种或多种;所述式(1)氧化还原酯与所述添加剂1的用量摩尔比为1:(1-5)。
12.如权利要求1所述的合成方法,其特征在于,所述碱选自碳酸钾、碳酸钠、碳酸锂、碳酸氢钾、碳酸氢钠、碳酸氢锂、磷酸钾、磷酸氢钾、氢氧化钾、氢氧化钠、三乙胺、N,N’-二异丙基乙胺、N,N’-二甲基乙二胺中的一种或多种;所述式(1)氧化还原酯与所述碱的用量摩尔比为1:(1-5)。
13.如权利要求1所述的合成方法,其特征在于,所述添加剂2为四甲基氟化铵、四甲基氯化铵、四甲基溴化铵、四甲基碘化铵、四丁基氟化铵、四丁基氯化铵、四丁基溴化铵、四丁基碘化铵、四丁基四氟硼酸铵、四丁基六氟磷酸铵、苄基三乙基氟化铵、苄基三乙基氯化铵、苄基三乙基溴化铵、苄基三乙基碘化铵、15-冠-5、18-冠-6、环糊精、聚乙二醇之任意一种或多种;所述式(1)氧化还原酯与所述添加剂2的用量摩尔比为1:(1-5)。
14.一种大位阻烷基-烷基砜类化合物,其特征在于,其结构如式(4)所示,
Figure FDA0002404573120000021
其中,所述R1为C1-C10直链烷基、C1-C10环烷基、芳基C1-C10烷基、含不饱和键的C1-C10烷基或氢;R2为C1-C10直链烷基、C1-C10环烷基、芳基C1-C10烷基、含不饱和键的C1-C10烷基或氢;R3为C1-C10直链烷基、C1-C10环烷基、芳基C1-C10烷基、含不饱和键的C1-C10烷基或氢。R为C1-C10直链烷基、C1-C10环烷基、烷氧基C1-C10烷基、芳基C1-C10烷基、烯基C1-C10烷基、炔基C1-C10烷基。
15.如权利要求14所述的大位阻烷基-烷基砜类化合物,其特征在于,R1为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢;R2为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢;R3为直链烷基、环烷基、芳基烷基、含不饱和键的烷基或氢。R为甲基、乙基、正戊基、正庚基、正辛基、苯丙基、苯丁基、甲基环丁基、苯氧基乙基、正戊烯基、正丁炔基、噻吩乙基等。
16.如权利要求14所述的大位阻烷基-烷基砜类化合物,其特征在于,所述R1,R2,R3,R4分别独立地选自甲基、乙基、正戊基、正庚基、正辛基、苯丙基、苯丁基、甲基环丁基、苯氧基乙基、正戊烯基、正丁炔基或噻吩乙基。
17.如权利要求14-16之任一项所述的大位阻烷基-烷基砜类化合物在制备药物、农药、有机光电材料等中的应用。
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