CN114411181A - 一种电催化下α-羰基-α’-氯亚砜叶立德的合成方法 - Google Patents
一种电催化下α-羰基-α’-氯亚砜叶立德的合成方法 Download PDFInfo
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- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Substances ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000002194 synthesizing effect Effects 0.000 title claims abstract description 5
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims abstract description 8
- 239000002904 solvent Substances 0.000 claims abstract description 7
- 239000012043 crude product Substances 0.000 claims abstract description 5
- 229910001629 magnesium chloride Inorganic materials 0.000 claims abstract description 5
- 239000000047 product Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000001035 drying Methods 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 238000010898 silica gel chromatography Methods 0.000 claims abstract description 3
- 239000011777 magnesium Substances 0.000 claims abstract 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- -1 1-furyl Chemical group 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 125000004182 2-chlorophenyl group Chemical group [H]C1=C([H])C(Cl)=C(*)C([H])=C1[H] 0.000 claims description 2
- 125000004172 4-methoxyphenyl group Chemical group [H]C1=C([H])C(OC([H])([H])[H])=C([H])C([H])=C1* 0.000 claims description 2
- 125000005073 adamantyl group Chemical group C12(CC3CC(CC(C1)C3)C2)* 0.000 claims description 2
- 238000001311 chemical methods and process Methods 0.000 claims description 2
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 claims description 2
- 125000000040 m-tolyl group Chemical group [H]C1=C([H])C(*)=C([H])C(=C1[H])C([H])([H])[H] 0.000 claims description 2
- 125000003854 p-chlorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1Cl 0.000 claims description 2
- 125000001037 p-tolyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 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
- 230000035484 reaction time Effects 0.000 claims description 2
- 125000001424 substituent group Chemical group 0.000 claims description 2
- 238000003786 synthesis reaction Methods 0.000 abstract description 7
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 238000001308 synthesis method Methods 0.000 abstract description 4
- 150000001875 compounds Chemical class 0.000 abstract description 2
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 20
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 12
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 12
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 10
- 238000005160 1H NMR spectroscopy Methods 0.000 description 10
- 238000004458 analytical method Methods 0.000 description 8
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000010183 spectrum analysis Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- YLEIFZAVNWDOBM-ZTNXSLBXSA-N ac1l9hc7 Chemical compound C([C@H]12)C[C@@H](C([C@@H](O)CC3)(C)C)[C@@]43C[C@@]14CC[C@@]1(C)[C@@]2(C)C[C@@H]2O[C@]3(O)[C@H](O)C(C)(C)O[C@@H]3[C@@H](C)[C@H]12 YLEIFZAVNWDOBM-ZTNXSLBXSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- KSCRVOKQPYZBHZ-IXPOFIJOSA-N benzyl n-[(2s)-1-[[(2s)-1-[[(2s)-1-(1,3-benzothiazol-2-yl)-1-oxo-3-[(3s)-2-oxopyrrolidin-3-yl]propan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]carbamate Chemical compound N([C@H](C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C[C@H]1C(NCC1)=O)C(=O)C=1SC2=CC=CC=C2N=1)C(C)C)C(=O)OCC1=CC=CC=C1 KSCRVOKQPYZBHZ-IXPOFIJOSA-N 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 150000008049 diazo compounds Chemical class 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- HZVOZRGWRWCICA-UHFFFAOYSA-N methanediyl Chemical compound [CH2] HZVOZRGWRWCICA-UHFFFAOYSA-N 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000006257 total synthesis reaction Methods 0.000 description 1
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Abstract
本发明公开了属于有机合成技术领域的一种电催化下α‑羰基‑α’‑氯亚砜叶立德的合成方法。所述方法为:向反应器中,加入摩尔比为1:2的α‑羰基亚砜叶立德与氯化镁,加入乙腈比水为4.6mL:0.4mL作为溶剂,通过电催化策略进行反应。待反应完毕后,无水Mg2SO4干燥,抽滤,使用旋转蒸发仪浓缩得到粗产物,再经过硅胶柱层析分离得到目标产物。本发明提供的α‑羰基‑α’‑氯亚砜叶立德的合成方法科学合理,合成途径绿色环保;合成方法简单,反应快速;目标化合物收率中等,产品易于纯化等特点。其反应方程式如下:
Description
技术领域
本发明属于有机合成技术领域,具体涉及一种电催化下α-羰基-α’-氯亚砜叶立德的合成方法。
背景技术
硫叶立德和亚砜叶立德在有机合成中发挥了重要作用,是全合成、化学材料和药物合成等的重要组成部分。这些叶立德也被证明可以替代重氮化合物用于金属卡宾类的反应((1)Eur.J.Org.Chem.2013,5005–501.(2)Chin.J.Org.Chem.2021,41,888-906)。此外,有机氯化物在医药、农药等方面有着广泛作用。
发明内容
本发明提供了一种电催化下制备α-羰基-α’-氯亚砜叶立德的制备方法,此方法条件温和,操作简单,安全绿色廉价,并且官能团普适性广。
一种电催化下α-羰基-α’-氯亚砜叶立德的合成方法,所述α-羰基-α’-氯亚砜叶立德具有式Ⅰ所示的结构
R代基团选自苯基、4-甲基苯基、4-甲氧基苯基、4-氯苯基、3-甲基苯基、2-氯苯基、1-呋喃基、1-噻吩基、环己烷基、金刚烷基;其特征在于,向反应器中,加入α-羰基亚砜叶立德、MgCl2在溶剂中通过电催化促进反应,完毕后,干燥,抽滤,浓缩得到粗产物,粗产物使用硅胶柱层析分离得到目标产物,其化学过程见反应式Ⅱ:
所述的α-羰基亚砜叶立德与MgCl2的摩尔比值为1:2。所述溶剂为乙腈:水(4.6mL:0.4mL),石墨毡作阳极,铂片作阴极,反应温度为20℃,反应时间为1.75h。
本发明的有益效果为:本发明提供了一种α-羰基-α’-氯亚砜叶立德的合成途径,提供的电催化下α-羰基-α’-氯亚砜叶立德的合成方法科学合理,通过本方法得到了具有多种取代基的α-羰基-α’-氯亚砜叶立德,其特点为:条件温和,操作简便,无需外加氧化剂与添加剂,安全绿色廉价,并且官能团普适性广。
附图说明
图1为实施例1制备的化合物2a的NMR图谱;
图2为实施例7制备的化合物2g的NMR图谱;
图3为实施例9制备的化合物2i的NMR图谱。
具体实施方式
下面结合附图和具体的实施例对本发明进一步详细的说明:
下述实施例中所述试验方法,如无特殊说明,均为常规方法;所述试剂和材料,如无特殊说明,均可从商业途径获得。
实施例1
1)α-苯甲酰基-α’-氯亚砜叶立德2a的制备
向10ml三口瓶中加入α-苯甲酰基亚砜叶立德1a(0.2mmol,39.2mg)、MgCl2(0.4mmol,38.1mg)加入乙腈:水(4.6mL:0.4mL),石墨毡作阳极,铂片作阴极,恒流5mA,在20℃下搅拌,反应1.75h。反应完毕后,无水Mg2SO4干燥,抽滤,使用旋转蒸发仪除去溶剂得到粗产物,粗产物经柱层析分离(200-300目硅胶)(乙酸乙酯),使用旋转蒸发仪除去溶剂,得到目标产物α-苯甲酰基-α’-氯亚砜叶立德2a,其收率为70%。
谱图解析数据2a:
1H NMR(500MHz,CDCl3)δ7.74(dd,J=7.9,1.8Hz,2H),7.41–7.35(m,3H),3.65(s,6H).13C NMR(125MHz,CDCl3)δ183.10,138.51,130.43,128.18,127.84,75.82,42.66.
实施例2
用1b代替实例1中的1a,其他条件同实例1,实验结果见表1。
谱图解析数据2b:
1H NMR(500MHz,CDCl3)δ7.67(d,J=7.9Hz,2H),7.19(d,J=7.8Hz,2H),3.65(s,6H),2.37(s,3H).13C NMR(125MHz,CDCl3)δ183.77,141.38,136.32,129.15,128.91,76.16,43.37,22.18.
实施例3
用1c代替实例1中的1a,其他条件同实例1,实验结果见表1。
谱图解析数据2c:
1H NMR(500MHz,CDCl3)δ7.72(d,J=8.8Hz,2H),6.83(d,J=8.8Hz,2H),3.77(s,3H),3.59(s,6H).13C NMR(125MHz,CDCl3)δ180.60,159.51,128.96,128.38,111.19,73.38,53.47,40.90.
实施例4
用1d代替实例1中的1a,其他条件同实例1,实验结果见表1。
谱图解析数据2d:
1H NMR(500MHz,CDCl3)δ7.72(d,J=8.5Hz,2H),7.37(d,J=8.5Hz,2H),3.68(s,6H).13C NMR(125MHz,CDCl3)δ181.59,136.85,136.34,129.69,128.08,76.10,42.60.
实施例5
用1e代替实例1中的1a,其他条件同实例1,实验结果见表1。
谱图解析数据2e:
1H NMR(500MHz,CDCl3)δ7.49(d,J=5.0Hz,2H),7.31–7.11(m,2H),3.60(s,6H),2.32(s,3H).13C NMR(125MHz,CDCl3)δ183.37,138.51,137.56,131.15,128.68,127.67,125.29,75.75,42.65,21.40.
实施例6
用1f代替实例1中的1a,其他条件同实例1,实验结果见表1。
谱图解析数据2f:
1H NMR(500MHz,DMSO-d6)δ7.37–7.34(m,1H),7.27(dt,J=4.6,2.4Hz,2H),7.22–7.15(m,1H),3.74(s,6H).13C NMR(125MHz,DMSO-d6)δ179.48,140.32,129.66,129.39,129.14,127.95,126.98,78.58,40.85.
实施例7
用1g代替实例1中的1a,其他条件同实例1,实验结果见表1。
谱图解析数据2g:
1H NMR(500MHz,DMSO)δ7.78(s,1H),7.07(d,J=3.5Hz,1H),6.57(dd,J=3.5,1.7Hz,1H),3.74(s,6H).13C NMR(125MHz,DMSO)δ168.50,150.93,144.34,114.57,111.25,76.42,41.21.
实施例8
用1h代替实例1中的1a,其他条件同实例1,实验结果见表1。
谱图解析数据2h:
1H NMR(500MHz,DMSO-d6)δ7.79(dd,J=3.9,1.2Hz,1H),7.73(dd,J=5.1,1.2Hz,1H),7.13(dd,J=5.1,3.7Hz,1H),3.78(s,6H).13C NMR(125MHz,DMSO-d6)δ171.91,144.39,130.82,130.13,127.94,77.02,41.82.
实施例9
用1i代替实例1中的1a,其他条件同实例1,实验结果见表1。
谱图解析数据2i:
1H NMR(500MHz,DMSO-d6)δ3.63(s,6H),2.48(s,1H),1.69(dd,J=9.2,3.8Hz,2H),1.60(d,J=10.6Hz,3H),1.36–1.15(m,4H),1.15–1.04(m,1H).13C NMR(125MHz,DMSO-d6)δ189.59,76.10,44.25,41.77,28.77,26.16,25.96.
实施例10
用1j代替实例1中的1a,其他条件同实例1,实验结果见表1。
谱图解析数据2j:
1H NMR(500MHz,DMSO)δ3.49(s,6H),1.91–1.86(m,3H),1.84(d,J=2.9Hz,6H),1.58(d,J=3.7Hz,6H).13C NMR(125MHz,DMSO)δ190.17,75.00,42.70,41.65,36.98,36.32,27.84.
表1
Claims (2)
2.按照权利要求1所述的制备方法,特征在于:α-羰基亚砜叶立德与MgCl2的摩尔比值为1:2。乙腈:水(4.6mL:0.4mL)作为溶剂,石墨毡作阳极,铂片作阴极,在N2条件下,恒流5mA,反应温度为20℃,反应时间为1.75h。
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