CN100586943C - 合成E-β-砜基亚甲基环硫乙烷的方法 - Google Patents
合成E-β-砜基亚甲基环硫乙烷的方法 Download PDFInfo
- Publication number
- CN100586943C CN100586943C CN200710068059A CN200710068059A CN100586943C CN 100586943 C CN100586943 C CN 100586943C CN 200710068059 A CN200710068059 A CN 200710068059A CN 200710068059 A CN200710068059 A CN 200710068059A CN 100586943 C CN100586943 C CN 100586943C
- Authority
- CN
- China
- Prior art keywords
- sulfuryl
- sufide
- beta
- methylene ethylene
- synthetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000002194 synthesizing effect Effects 0.000 title abstract 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims abstract description 24
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052794 bromium Inorganic materials 0.000 claims abstract description 24
- -1 methylene epithio-ethane Chemical compound 0.000 claims abstract description 15
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 78
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical class [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 9
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
- 238000004440 column chromatography Methods 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 4
- 239000012141 concentrate Substances 0.000 claims description 4
- 230000001186 cumulative effect Effects 0.000 claims description 4
- 239000012074 organic phase Substances 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 239000003960 organic solvent Substances 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 238000007350 electrophilic reaction Methods 0.000 abstract 1
- 239000011734 sodium Substances 0.000 description 16
- 239000003153 chemical reaction reagent Substances 0.000 description 12
- 239000007788 liquid Substances 0.000 description 12
- 239000000758 substrate Substances 0.000 description 12
- VOVUARRWDCVURC-UHFFFAOYSA-N thiirane Chemical compound C1CS1 VOVUARRWDCVURC-UHFFFAOYSA-N 0.000 description 11
- 230000000707 stereoselective effect Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- KKDNKAPRDLYQBY-UXBLZVDNSA-N (2E)-2-[(4-bromophenyl)sulfonylmethylidene]-3-methylthiirane Chemical compound CC\1S/C1=C/S(=O)(=O)C1=CC=C(Br)C=C1 KKDNKAPRDLYQBY-UXBLZVDNSA-N 0.000 description 1
- QLQHTYQOUWNKEY-VAWYXSNFSA-N (2E)-2-[1-(4-bromophenyl)sulfonylpropylidene]-3-methylthiirane Chemical compound CC\1S/C1=C(/S(=O)(=O)C1=CC=C(Br)C=C1)\CC QLQHTYQOUWNKEY-VAWYXSNFSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000002532 enzyme inhibitor Substances 0.000 description 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- CHGXUMHYPKPHMB-UHFFFAOYSA-N nona-3,4-diene Chemical compound CCCCC=C=CCC CHGXUMHYPKPHMB-UHFFFAOYSA-N 0.000 description 1
- 230000037081 physical activity Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Abstract
本发明涉及一种合成高区域和立体选择性地的合成E-β-砜基亚甲基环硫乙烷的方法,通过联烯基砜与溴的亲电反应高区域和立体选择性地合成E-β-砜基亚甲基环硫乙烷。本方法操作简单,原料和试剂易得,反应具有高度的区域和立体选择性,能同时引入多个取代基,产物易分离纯化,适用于合成各种取代的E-β-砜基亚甲基环硫乙烷。
Description
技术领域
本发明涉及一种合成高区域和立体选择性地的合成砜基亚甲基环硫乙烷的方法,即通过联烯基砜与溴的亲电反应高区域和立体选择性地合成E-β-砜基亚甲基环硫乙烷的方法。
背景技术
砜基亚甲基环硫乙烷是有机合成中最重要的中间体之-(Adam,W.;Bargon,R.Chem.Rev.2004,104,251.),其衍生物具有很高得生理活性,是一种有效的酶抑制剂(Lee,M.;Bernardo,M.;Meroueh,S.;Brown,S.;Fridman,R.;Mobashery,S.Org.Lett.2005,7,4463,S,Brown,M,Bermardo,S,Mobashery,J.Am.Chem.Soc.2000,122,6799),也是天然产物中最常见的结构单元之一,具有多种重要的生理活性,在生物技术领域,医药及农药等方面有巨大的开发利用价值,还没有文献报道过它的合成方法。
发明内容
本发明的目的就是提供一种高区域和立体选择性有效的合成砜基亚甲基环硫乙烷的方法,反应可引入不同的取代基。
本发明提供高区域和立体选择性地的合成E-β-砜基亚甲基环硫乙烷的方法,通过联烯基砜与溴的亲电反应合成E-β-砜基亚甲基环硫乙烷,反应式如下:
Ar=芳基,R2,R3=烷基,苄基,其中烷基为CnH2n+1(n=1-6),芳基为苯基以及含有取代基的上述基团,其步骤是:
(1)在室温下将α-联烯砜加入到乙腈的有机溶剂中,搅拌下溶解,加入溴的乙腈溶液,15-30分钟,加水,加饱和硫代硫酸钠溶液。
(2)短柱过滤,浓缩,快速柱层析,获得E-β-砜基亚甲基环硫乙烷。
本发明所述的α-联烯砜与乙腈比为:0.3mmol/4mL。
本发明所述的溴的乙腈溶液滴加的溴的乙腈溶液浓度为0.5mmol/mL,溴在整个反应体系中的浓度为0.6mmol/4mL。
本发明反应结束时所加水的量为体系中乙腈总体积的1.5倍,所加饱和硫代硫酸钠溶液的量为体系中乙腈总体积的0.75倍。
本发明反应原料溴与α-联烯砜的当量比为2-2.5∶1。
本发明所述的第二步短柱过滤,浓缩,快速柱层析为:加入乙醚萃取三次,取有机相,用饱和NaCl洗涤,有机相用无水NaSO4干燥,约1h,旋转蒸发仪旋干,用200-300目的粗硅胶吸附上样,将其加入层析硅胶柱中,以石油醚∶乙酸乙酯=10∶1-25∶1不等的比例快速柱层析,分离得纯品,旋转蒸发仪旋干,油泵抽得产物。
本发明具有以下优点:1)反应时间短;2)反应具有高度的区域和立体选择性;3)能同时引入多个取代基;4)产物易分离纯化。
本发明创新点在于发展了一种高区域和立体选择性有效的合成砜基亚甲基环硫乙烷的方法。
本方法所得的相应的砜基亚甲基环硫乙烷的产率为55-84%。
具体实施方式
以下实施例有助于理解本发明,但不限于本发明的内容。
实施例1
室温下,在25mL单口瓶中加入1-苯磺酰基-1,2-丁二烯(57.1mg,0.29mmol),加入2.5mL乙腈,搅拌溶解,慢慢滴加1.5mL(0.5M乙腈溶液,0.75mmol)溴的乙腈溶液,室温搅拌15分钟,加入6mL水与3mL饱和硫代硫酸钠溶液,乙醚萃取三次,饱和NaCl洗涤,无水硫酸钠干燥,浓缩溶液,快速柱层析,得产物E-2-甲基-(1-苯磺酰基亚甲基)环硫乙烷46.8mg,,产率为70%。产物为无色液体。
1H NMR(400MHz,CDCl3)δ7.88(d,J=7.8Hz,2H),7.60(t,J=7.8Hz,1H),7.53(t,J=7.8Hz,2H),6.30(s,1H),3.69(q,J=5.6Hz,1H),1.85(d,J=5.6Hz,3H);
13C NMR(100MHz,CDCl3)δ149.8,141.6,133.2,129.2,127.1,114.4,35.2,21.6;
MS(70eV,EI)m/z(%):226(M+,57.2);161(100),
IR(neat)ν(cm-1)3062,1699,1446,1306,1146;
Elemental analysis:Calcd for C10H10O2S2:C,53.07,H,4.45,S,28.34;Found:C,53.07,H,4.48,S,27.97.
实施例2
按实施例1所述的方法,不同的是所用底物和试剂为:1-苯磺酰基-1,2-戊二烯(62.5mg,0.3mol),溴(0.5M乙腈溶液,1.2mL),6mL水与3mL饱和硫代硫酸钠溶液,得产物E-2-乙基-(1-苯磺酰基亚甲基)环硫乙烷50.3mg,产率为70%。产物为无色液体。
1H NMR(400MHz,CDCl3)δ7.86(d,J=7.6Hz,2H),7.58(t,J=7.6Hz,1H),7.52(t,J=7.6Hz,2H),6.30(d,J=1.2Hz,1H),3.71(ddd,J=8.0,3.2 & 1.2Hz,1H),2.60-2.70(m,1H),1.56-1.69(m,1H),1.05(t,J=7.2Hz,3H);
13C NMR(100MHz,CDCl3)δ148.8,141.6,133.1,129.2,127.0,114.6,42.7,27.5,11.5;
MS(70eV,EI)m/z(%):240(M+,6.38),97(100);
IR(neat)ν(cm-1)3063,1698,1618,1446,1317,1147;
HRMS Calcd for C11H12O2S2Na(M++Na):263.0176,Found:263.0173。
实施例3
按实施例1所述的方法,不同的是所用底物和试剂为:1-苯磺酰基-1,2-己二烯(65.3mg,0.29mmol),溴(0.5M乙腈溶液,1.2mL),6mL水与3mL饱和硫代硫酸钠溶液,得产物E-2-丙基-(1-苯磺酰基亚甲基)环硫乙烷52.0mg,产率为68%。产物为无色液体。
1H NMR(400MHz,CDCl3)δ7.87(d,J=7.2Hz,2H),7.60(t,J=7.2Hz,1H),7.53(t,J=7.2Hz,2H),6.30(d,J=1.2Hz,1H),3.71(ddd,J=8.4,3.2 & 1.2Hz,1H),2.62-2.70(m,1H),1.36-1.62(m,3H),1.01(t,J=7.4Hz,3H);
13C NMR(100MHz,CDCl3)δ140.2,138.5,134.0,133.9,129.6,127.5,69.6,39.7,18.1,13.9;
MS(70eV,EI)m/z(%)254(M+,10.88),77(100);
IR(neat)ν(cm-1)3062,1697,1446,1317,1147;
HRMS Calcd for C12H14O2S2Na(M++Na):277.0333,Found:277.0338.
实施例4
按实施例1所述的方法,不同的是所用底物和试剂为:1-苯磺酰基-1,2-庚二烯(72.2mg,0.31mmol),溴(0.5M乙腈溶液,1.2mL),6mL水与3mL饱和硫代硫酸钠溶液,得产物E-2-丙基-(1-苯磺酰基亚甲基)环硫乙烷52.0mg,产率为68%。产物为无色液体。
1H NMR(400MHz,CDCl3)δ5.90(t,J=6.6Hz,1H),3.94(q,J=6.3Hz,1H),2.15(q,J=7.2Hz,2H),1.79(bs,1H),1.45-1.35(m,2H),1.35-1.20(m,11H),0.88(t,J=6.0Hz,3H);
13C NMR(CDCl3,100MHz):δ135.3,117.1,74.4,35.6,31.7,29.11,29.10,28.1,23.8,22.6,14.1;
MS(m/z):296(M+,38.09),71(100);
IR(neat,cm-1):3356,2925,2855,1638,1455,1066.
HRMS calcd for C11H21IO:296.0637.Found:296.0634.
实施例5
按实施例1所述的方法,不同的是所用底物和试剂为:1-苯磺酰基-1,2-辛二烯(74.2mg,0.30mmol),溴(0.5M乙腈溶液,1.2mL),6mL水与3mL饱和硫代硫酸钠溶液,得产物E-2-戊基-(1-苯磺酰基亚甲基)环硫乙烷53.0mg,产率为63%。产物为无色液体。
1H NMR(400MHz,CDCl3)δ7.84-7.89(m,2H),7.56-7.62(m,1H),7.48-7.55(m,2H),6.29(d,J=1.4Hz,1H),3.70(ddd,J=8.0,3.0 & 1.4Hz,1H),2.62-2.71(m,1H),1.28-1.59(m,7H),0.90(t,J=7.2Hz,3H);
13C NMR(100MHz,CDCl3)δ149.1,141.7,133.1,129.2,127.1,114.4,41.3,34.4,30.8,27.6,22.4,13.9;
MS(70eV,EI)m/z(%):250(M+-32,3.5),77(100);
IR(neat)ν(cm-1)3059,1694,1615,1446,1320,1147;
HRMS Calcd for C14H18O2S2Na(M++Na):305.0646,Found:305.0625.
实施例6
按实施例1所述的方法,不同的是所用底物和试剂为:1-苯磺酰基-1,2-壬二烯(79.2mg,0.3mmol),溴(0.5M乙腈溶液,1.2mL),6mL水与3mL饱和硫代硫酸钠溶液,得产物E-2-己基-(1-苯磺酰基亚甲基)环硫乙烷60.7mg,产率为68%。产物为无色液体。
1H NMR(400MHz,CDCl3)δ7.84-7.90(m,2H),7.56-7.62(m,1H),7.48-7.55(m,2H),6.29(d,J=1.2Hz,1H),3.70(ddd,J=8.2,3.0 & 1.2Hz,1H),2.62-2.72(m,1H),1.21-1.60(m,9H),0.89(t,J=7.0Hz,3H);
13C NMR(100MHz,CDCl3)δ149.1,141.7,133.1,129.2,127.1,114.5,41.3,34.5,31.5,28.4,27.9,22.5,14.0;
MS(70eV,EI)m/z(%):295(M+-1,0.1),264(M+-32,1.2),77(100);
IR(neat)ν(cm-1)3059,1696,1619,1446,1321,1148;
HRMS Calcd for C15H20O2S2Na(M++Na):319.0802,Found:319.0798.
实施例7
按实施例1所述的方法,不同的是所用底物和试剂为:1-苯磺酰基-4-苯基-1,2-丁二烯(53.0mg,0.20mmol),溴(0.5M乙腈溶液,0.8mL),4mL水与2mL饱和硫代硫酸钠溶液,得产物E-2-苄基-(1-苯磺酰基亚甲基)环硫乙烷42.5mg,产率为72%。产物为无色液体。
1H NMR(400MHz,CDCl3)δ7.92(d,J=7.4Hz,2H),7.62(t,J=7.4Hz,1H),7.55(t,J=7.4Hz,2H),7.23-7.38(m,5H),6.34(s,1H),4.09(dd,J=14.8 & 2.8Hz,1H),3.87(dd,J=9.2 &2.8Hz,1H),2.67(dd,J=14.8 & 9.2Hz,1H);
13C NMR(100MHz,CDCl3)δ147.8,141.6,137.3,133.3,129.3,128.8,128.6,127.2,127.1,115.0,40.9,40.8;
MS(70eV,EI)m/z(%)269(M+-33,0.01),125(100);
IR(neat)ν(cm-1)3061,1702,1446,1317,1146;
HRMS Calcd for C16H14O2S2Na(M++Na):325.0333,Found:325.0315.
实施例8
按实施例1所述的方法,不同的是所用底物和试剂为:4-苯磺酰基-2,3-辛二烯((49.2mg,0.20mmol),溴(0.5M乙腈溶液,0.8mL),4mL水与2mL饱和硫代硫酸钠溶液,得产物E-2-甲基-(1-丁基-1-苯磺酰基亚甲基)环硫乙烷44.4mg,产率为80%。产物为无色液体。
1H NMR(400MHz,CDCl3)δ7.83(d,J=7.4Hz,2H),7.60(t,J=7.4Hz,1H),7.52(t,J=7.4Hz,2H),3.74(q,J=5.8Hz,1H),2.33(t,J=7.6Hz,2H),1.88(d,J=5.8Hz,3H),1.41-1.51(m,2H),1.15-1.28(m,2H),0.80(t,J=7.6Hz,3H);
13C NMR(100MHz,CDCl3)δ145.8,140.5,133.1,129.1,127.7,124.1,36.2,29.5,29.1,22.2,22.1,13.6;
MS(70eV,EI)m/z(%)282(M+,26.2),140(100);
IR(neat)ν(cm-1)3063,1710,1446,1310,1153;
HRMS Calcd for C14H18O2S2Na(M++Na):305.0646,Found:305.0634.
实施例9
按实施例1所述的方法,不同的是所用底物和试剂为:5-苯磺酰基-3,4-壬二烯(62.5mg,0.24mmol),溴(0.5M乙腈溶液,0.95mL),5mL水与2.5mL饱和硫代硫酸钠溶液,得产物E-2-乙基-(1-丁基-1-苯磺酰基亚甲基)环硫乙烷47.1mg,产率为67%。产物为无色液体。
1H NMR(400MHz,CDCl3)δ7.81-7.85(m,2H),7.56-7.63(m,1H),7.49-7.55(m,2H),3.76(dd,J=8.0and 3.2Hz,1H),2.65-2.78(m,1H),2.34(t,J=8.0Hz,2H),1.54-1.68(m,1H),1.37-1.54(m,2H),1.13-1.29(m,2H),1.10(t,J=7.2Hz,3H),0.81(t,J=7.2Hz,3H);
13C NMR(100MHz,CDCl3)δ144.9,140.7,133.1,129.1,127.7,124.4,43.9,29.5,29.2,28.1,22.2,13.6,11.7;
MS(70eV,EI)m/z(%):296(M+,8.54),126(100);
IR(neat)ν(cm-1)3059,1694,1615,1446,1320,1147;
HRMS Calcd for C15H20O2S2Na(M++Na):319.0802,Found:319.0800.
实施例10
按实施例1所述的方法,不同的是所用底物和试剂为:1-苯基-4-苯磺酰基-2,3-辛二烯(65.1mg,0.20mmol),溴(0.5M乙腈溶液,0.8mL),4mL水与2mL饱和硫代硫酸钠溶液,得产物E-2-苄基-(1-丁基-1-苯磺酰基亚甲基)环硫乙烷59.8mg,产率为84%。产物为无色液体。
1H NMR(400MHz,CDCl3)δ7.86-7.92(m,2H),7.58-7.66(m,1H),7.51-7.57(m,2H),7.22-7.39(m,5H),4.12(dd,J=14.4 and 2.8Hz,1H),3.92(dd,J=9.2 and 2.8Hz,1H),2.69(dd,J=14.4 and 9.2Hz,1H),2.29-2.37(m,2H),1.39-1.51(m,2H),1.12-1.25(m,2H),0.80(t,J=7.4Hz,3H);
13C NMR(100MHz,CDCl3)δ143.8,140.5,137.7,133.2,129.2,128.9,128.5,127.7,127.0,124.8,42.0,41.3,29.5,29.2,22.2,13.6;
MS(70eV,EI)m/z(%):326(M+-S,0.65),91(100);
IR(neat)ν(cm-1)3063,1708,1446,1305,1151;
HRMS Calcd for C20H22O2S2Na(M++Na):381.0959,Found:381.0941.
实施例11
按实施例1所述的方法,不同的是所用底物和试剂为:4-苯磺酰基-2,3-己二烯(44.2mg,0.2mmol),溴(0.5M乙腈溶液,0.8mL),4mL水与2mL饱和硫代硫酸钠溶液,得产物E-2-甲基-(1-乙基-1-苯磺酰基亚甲基)环硫乙烷59.8mg,产率为84%。产物为无色液体。
1H NMR(400MHz,CDCl3)δ5.80(t,J=6.4Hz,1H),2.15(q,J=7.2Hz,2H),1.92(bs,1H),1.48(s,6H),1.47-1.37(m,2H),1.37-1.23(m,4H),0.89(t,J=6.4Hz,3H);
13C NMR(CDCl3,100MHz):δ133.2,121.9,74.3,36.9,31.4,29.6,27.9,14.0;
MS(m/z):282(M+,3.82),43(100);
IR(neat,cm-1):3386,2926,2857,1632,1459.
HRMS calcd for C10H19IO:282.0481.Found:282.0481.
实施例12
按实施例1所述的方法,不同的是所用底物和试剂为:1-对溴苯磺酰基-1,2-丁二烯(90.4mg,0.3mmol),溴(0.5M乙腈溶液,0.8mL),6mL水与3mL饱和硫代硫酸钠溶液,得产物E-2-甲基-(1-对溴苯磺酰基亚甲基)环硫乙烷61.3mg,产率为61%。产物为白色固体。熔点:86-87℃(正己烷与乙酸乙酯重结晶)
1H NMR(400MHz,CDCl3)δ7.73(d,J=8.8Hz,,2H),7.66(d,J=8.8Hz,2H),6.27(s,1H),3.68(q,J=5.8Hz,1H),1.85(d,J=5.8Hz,3H);
13C NMR(100MHz,CDCl3)δ150.7,140.7,132.6,128.7,128.4,114.0,35.2,21.7;
MS(70eV,EI)m/z(%):306(M+(81Br),18.6),304(M+(79Br),17.8),160(100);
IR(neat)ν(cm-1)3062,1731,1632,1574,1446,1314,1145;
Elemental analysis:Calcd for C10H9BrO2S2:C,39.35,H,2.97;Found:C,39.31,H,2.92.
实施例13
按实施例1所述的方法,不同的是所用底物和试剂为:4-对溴苯磺酰基-2,3-己二烯(90.4mg,0.3mmol),溴(0.5M乙腈溶液,1.2mL),6mL水与3mL饱和硫代硫酸钠溶液,得产物E-2-甲基-(1-乙基-1-对溴苯磺酰基亚甲基)环硫乙烷61.3mg,产率为61%。产物为无色液体。
1H NMR(400MHz,CDCl3)δ7.70(d,J=9.0Hz,2H),7.65(d,J=9.0Hz,2H),3.70(q,J=5.6Hz,1H),2.37(q,J=7.6Hz,2H),1.85(d,J=5.6Hz,3H),1.07(t,J=7.6Hz,3H);
13C NMR(100MHz,CDCl3)δ146.0,139.7,132.4,129.2,128.3,124.7,35.7,22.9,22.0,12.1;
MS(70eV,EI)m/z(%):334(M+(81Br),5.9),332M+(79Br),5.4),112(100);
IR(neat,cm-1):3355,2926,2856,1654,1457.
HRMS Calcd for C12H13BrO2S2(M+):333.9520(81Br),331.9535(79Br),Found:333.9516(81Br),331.9534(79Br).
Claims (4)
2、根据权利要求1所述的合成E-β-砜基亚甲基环硫乙烷的方法,其特征是所述的短柱过滤,浓缩,快速柱层析为:加入乙醚萃取三次,取有机相,用饱和NaCl洗涤,有机相用无水NaSO4干燥1小时,旋转蒸发仪旋干,用200-300目的粗硅胶吸附上样,将其加入层析硅胶柱中,以石油醚∶乙酸乙酯=10∶1-25∶1不等的比例快速柱层析,分离得纯品,旋转蒸发仪旋干,油泵抽得产物。
3、根据权利要求1所述的合成E-β-砜基亚甲基环硫乙烷的方法,其特征是所述水的量为体系中乙腈总体积的1.5倍,加饱和硫代硫酸钠溶液的量为体系中乙腈总体积的0.75倍。
4、根据权利要求1所述的合成E-β-砜基亚甲基环硫乙烷的方法,其特征是反应原料溴与α-联烯砜的当量比为2-2.5∶1。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200710068059A CN100586943C (zh) | 2007-04-13 | 2007-04-13 | 合成E-β-砜基亚甲基环硫乙烷的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200710068059A CN100586943C (zh) | 2007-04-13 | 2007-04-13 | 合成E-β-砜基亚甲基环硫乙烷的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101033221A CN101033221A (zh) | 2007-09-12 |
CN100586943C true CN100586943C (zh) | 2010-02-03 |
Family
ID=38729985
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200710068059A Expired - Fee Related CN100586943C (zh) | 2007-04-13 | 2007-04-13 | 合成E-β-砜基亚甲基环硫乙烷的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100586943C (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115819296A (zh) * | 2022-11-17 | 2023-03-21 | 江西科技师范大学 | 一种联烯砜类化合物的制备方法 |
-
2007
- 2007-04-13 CN CN200710068059A patent/CN100586943C/zh not_active Expired - Fee Related
Non-Patent Citations (2)
Title |
---|
Synthesis of Thiiranes by Direct Sulfur Transfer: TheChallenge of Developing Effective Sulfur Donors and MetalCatalysts. Adam,W,Brgon,R.Chem.Rev,Vol.104 No.1. 2004 |
Synthesis of Thiiranes by Direct Sulfur Transfer: TheChallenge of Developing Effective Sulfur Donors and MetalCatalysts. Adam,W,Brgon,R.Chem.Rev,Vol.104 No.1. 2004 * |
Also Published As
Publication number | Publication date |
---|---|
CN101033221A (zh) | 2007-09-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106220581B (zh) | 含氟杂环化合物及其制备方法 | |
CN107353189A (zh) | 制备3, 5‑二氯‑a‑(三氟甲基)苯乙烯的方法 | |
CN101565393B (zh) | 3-二磺酰基氟甲烷取代-1-丙烯类化合物、合成方法和用途 | |
CN106986800B (zh) | 一种β-羰基硫醚的制备方法 | |
CN100586943C (zh) | 合成E-β-砜基亚甲基环硫乙烷的方法 | |
CN101220012B (zh) | 一种合成多取代4-氟-2(5h)-呋喃酮的方法 | |
CN109678818A (zh) | 桃红颈天牛聚集信息素(e)-顺式-6,7-环氧-2-壬烯醛的合成方法 | |
CN107805262B (zh) | 一种毒死蜱的生产方法 | |
CN106892863A (zh) | 维莫德吉及其中间体的制备方法 | |
Tsubouchi et al. | Silyl migration in conjunction with substitution on silicon in copper (I) t-butoxide-promoted coupling between o-silylphenyl ketones and organic halides | |
CN102443024A (zh) | 一种以四氯吡啶为原料合成毒死蜱的生产方法 | |
CN102766073A (zh) | 一种间三氟甲基苯对氰基苯乙酮的合成方法 | |
CN100497306C (zh) | 合成E-β-溴-γ-羟基亚甲基砜的方法 | |
CN102702014A (zh) | 一种阿托伐他汀钙中间体的制备方法 | |
CN102030710A (zh) | 杀菌剂唑菌酯14c标记化合物的合成方法 | |
CN110078662A (zh) | 一种3-酰甲基-2,2′-联吡啶-6-甲酰胺衍生物的制备方法 | |
Chechik-Lankin et al. | Regiocontrolled carbometallation reactions of ynamides | |
CN107311958A (zh) | 一种苯并噻唑‑含氮杂环杂化体的合成方法 | |
CN109320538B (zh) | 3-溴-5-芳基-2-(三甲基硅基)-1-(n,n-二甲基磺酰胺)吡咯合成方法 | |
CN107628980A (zh) | 一种3h‑2‑吡咯烷酮类化合物及其合成方法 | |
CN106045952A (zh) | 一种含砜基的苯并呋喃酮化合物的合成方法 | |
CN101519341B (zh) | 一种合成含氟2,3,5(z)-三烯醇的方法 | |
CN107021968B (zh) | 多取代bodipy有机光催化剂催化吲哚啉类化合物氧化脱氢合成吲哚类化合物的方法 | |
CN105198692A (zh) | 一种不对称催化合成(s)-芳姜黄烯的方法 | |
CN105906506B (zh) | 一种多取代的α-乙酰氧基-α,β-烯酮类化合物的合成方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100203 Termination date: 20120413 |