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一种含多氟烷基五元环状硝酮衍生物及其制备方法失效专利 发明

技术领域

[0001] 本发明涉及一种含多氟烷基五元环状硝酮衍生物的制备方法,具体涉及一种4-多氟烷基-2,4-二取代吡咯啉-N-氧化物衍生物的制备方法,属于化学物质及其制备技术领域。

相关背景技术

[0002] 硝酮类化合物是一类重要的有机合成中间体,近年来引起许多科学家的广泛关注。硝酮已成功地用来构建天然产物和具有生物活性的化合物分子骨架、稳定的硝酰基自由基、以及一些具有特殊用途的自旋捕获剂;硝酮参与的环加成反应以及与有机金属试剂的烷基化反应在合成吡咯烷、哌啶、吡咯啉士啶、吲哚啉士啶类等杂环化合物方面已显示出广阔的应用前景(E.Breuer,H.G.Aurich,A.Nielsen,Nitrones,nitronates and nitroxides,John Wiley andSons,New Jersey,1989.,K.B.G.Torsell,Nitrile oxides,nitrones and nitronatesinorganic synthesis,VCH,New York,1988.,P.Merino,inScienceofSynthesis,Knowledge Updates,Vol.2010/4(Ed:E.Schaumann),George Thieme,Stuttgart,2011,pp.325-403.,Antioxid.RedoxSignaling,2004.6,619.,J. Med.Chem.1996,39,4988.,Ann.N.Y. Acad.Sci.2000,899,222.,)。硝酮合成方法主要有以下4种:(1)N,N-二取代羟胺的氧化法,此类反应虽然条件较温和,但是,反应时间都比较长,常常伴有副反应发生,而且,原料转化率低,产物收率低;(2)肟与卤代烃的反应,采用该种合成方法得到的往往是硝酮和肟醚的混合物,不仅收率较低,而且分离比较困难;(3)噁丫丙因的重排法,采用该方法可得到硝酮,但同时还生成酰胺等副产物;(4)N-烷基羟胺与羰基化合物的缩合反应,该法是目前合成硝酮最常用的方法,但该反应为可逆反应,在不同的条件下,所得硝酮的收率和质量不同,并且产物易于分解和聚合(J.Chem.S oc,1959,2094.,J.Am.Chem S oc,1962,84,1197.,OrgSynth,1991,70:265.,Collection Czech Chem Commun,1951,16,258.,J Org Chem,1995,60,1741)。经过多年的发展,硝酮的合成方法虽得到相互补充和改进,但对于含多氟烷基硝酮化合物的合成却未见文献报道。

具体实施方式

[0039] 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。
[0040] 实施例1
[0041] 将原料3-三氟甲基-3-丁烯-1-炔基苯(0.2mmol),盐酸羟胺(0.3mmol),二氯甲烷(2.0ml)置于反应瓶中。0℃下加入三乙胺(0.34mmol),并搅拌24h,通过TLC检测反应,至原料完全消失。将溶剂减压蒸馏除去并且将粗产品直接用硅胶快速柱色谱纯化(石油醚∶乙酸乙酯=5∶1)得到含氟含炔基基团羟胺类化合物纯品I-1(32.1mg,70%)。
[0042]
[0043] 1H NMR(400MHz,CDCl3)δ7.47(dd,J=7.7,1.6Hz,2H),7.37-7.29(m,3H),5.82(s,1H),5.62(brs,1H),4.03-3.90(m,1H),3.45(dd,J=13.2,4.4Hz,1H),3.17(dd,J=13.2,
19 13
9.6Hz,1H). F NMR(377MHz,CDCl3)δ-69.61. C NMR(100MHz,CDCl3)δ131.97,128.90,
128.33,124.83(q,J=278.0Hz),121.73,85.90,80.13,52.21,36.20(q,J=30.0Hz).+
MS(70eV):m/z( % ):229(M,1.17),46(100).HRMS 计 算:C11H10NOF3:229.0714,实 测:
229.0715.
[0044] 实施例2
[0045] 将原料1-甲基-4-(3-三氟甲基)-3-丁烯-1-炔基苯(0.2mmol),盐酸羟胺(0.4mmol),1,2-二氯乙烷(2.0ml)置于反应瓶中。室温下加入四甲基乙二胺(0.44mmol)并搅拌24h,通过TLC检测反应,至原料完全消失。将溶剂减压蒸馏除去并且将粗产品直接用硅胶快速柱色谱纯化(石油醚∶乙酸乙酯=10∶1)得到含氟含炔基基团羟胺类化合物纯品I-2(32.1mg,66%).
[0046]1
[0047] H NMR(400MHz,CDCl3)δ7.36(d,J=8.1Hz,2H),7.12(d,J=8.1Hz,2H),6.03(brs,1H),5.62(brs,1H),4.02-3.88(m,1H),3.44(dd,J=13.2,4.4Hz,1H),3.16(dd,J=13.2,
19 13
9.6Hz,1H),2.35(s,3H). F NMR(377MHz,CDCl3)δ-69.67. C NMR(100MHz,CDCl3)δ139.10,131.85,129.06,124.86(q,J=278.0Hz),118.64,86.08,79.36,52.22,36.19(q,+
J=30.0Hz),21.49.MS(70eV):m/z( % ):243(M,6.54),46(100). 计 算:for C12H12NOF3:
243.0871,实测:243.0869.
[0048] 实施例3
[0049] 将原料1-甲氧基-4-(3-三氟甲基)-3-丁烯-1-炔基苯(0.2mmol),盐酸羟胺(0.36mmol),三氯甲烷(1.6ml)置于反应瓶中。5℃下加入三乙烯二胺(0.4mmol)并搅拌30h,通过TLC检测反应,至原料完全消失。将溶剂减压蒸馏除去并且将粗产品直接用硅胶快速柱色谱纯化(石油醚∶乙酸乙酯=1∶1),得到含氟含炔基基团羟胺类化合物纯品I-3(38.9mg,75%).
[0050]
[0051] 1H NMR(400MHz,CDCl3)δ7.40(d,J=8.8Hz,2H),6.83(d,J=8.8Hz,2H),5.99(brs,2H),4.02-3.87(m,1H),3.81(s,3H),3.43(dd,J=13.2,4.4Hz,1H),3.15(dd,J=13.2,9.6Hz,
19 13
1H). F NMR(377MHz,CDCl3)δ-69.72. C NMR(100MHz,CDCl3)δ160.00,133.44,124.83(q,J=278.0Hz),113.92,113.76,85.92,78.65,78.61,77.32,77.00,76.68,55.25,52.16,+
36.12(q,J=30.0Hz).MS(70eV):m/z(%):259(M,10.66),46(100).HRMS计算:C12H12NO2F3:
259.0820,实测:259.0822.
[0052] 实施例4
[0053] 将原料1-氯-4-(3-三氟甲基)-3-丁烯-1-炔基苯(0.2mmol),盐酸羟胺(0.3mmol),三氯甲烷(2.0ml)置于反应瓶中。10℃下加入1,8-二氮杂双环[5,4,0]-十一碳-7-烯(DBU)(0.35mmol)并搅拌24h,通过TLC检测反应,至原料完全消失。将溶剂减压蒸馏除去并且将粗产品直接用硅胶快速柱色谱纯化(石油醚∶乙酸乙酯=8∶1),得到含氟含炔基基团羟胺类化合物纯品I-4(34.7mg,66%).
[0054]
[0055] 1H NMR(400MHz,CDCl3)δ7.39(d,J=8.6Hz,2H),7.30(d,J=8.6Hz,2H).5.57(brs,1H),5.33(brs,1H),4.01-3.88(m,1H),3.45(dd,J=13.3,4.5Hz,1H),3.17(dd,J=13.3,
19 13
9.4Hz,1H). F NMR(377MHz,CDCl3)δ-69.55. C NMR(100MHz,CDCl3)δ135.08,133.18,
128.70,124.72(q,J=278.0Hz),120.18,84.85,81.19,52.07,36.20(q,J=30.0Hz).+ +
MS(70eV):m/z( % ):263(M,2.49),265(M+2,0.75),46(100).HRMS 计 算:C11H9NOF3Cl:
263.0325,实测:263.0326.
[0056] 实施例5
[0057] 其他操作参考实施例4,所用原料为1-溴-4-(3-三氟甲基)-3-丁烯-1-炔基苯,反应时间为25h,得到含氟含炔基基团羟胺类化合物纯品I-5(38.7mg,63%).
[0058]
[0059] 1H NMR(400MHz,CDCl3)δ7.45(d,J=8.2Hz,2H),7.32(d,J=8.2Hz,2H),6.28(brs,1H),5.59(brs,1H),4.02-3.89(m,1H),3.45(dd,J=13.2,4.4Hz,1H),3.17(dd,J=13.2,
19 13
9.5Hz,1H). F NMR(377MHz,CDCl3)δ-69.55. C NMR(100MHz,CDCl3)δ133.39,131.64,
124.70(q,J=279.0Hz),123.31,120.69,84.88,81.46,81.42,52.13,36.28(q,J=30.0Hz).+ +
MS(70eV):m/z( % ):307(M,1.96),309(M+2,1.69),46(100).HRMS 计 算:C11H9NOF3Br:
306.9820,实测:306.9809.
[0060] 实施例6
[0061] 将原料1-三氟甲基-4-(3-三氟甲基)-3-丁烯-1-炔基苯(0.2mmol),盐酸羟胺(0.35mmol),三氯甲烷(2.0ml)置于反应瓶中。室温下加入醋酸钠(0.40mmol)并搅拌24h,通过TLC检测反应,至原料完全消失。将溶剂减压蒸馏除去并且将粗产品直接用硅胶快速柱色谱纯化(石油醚∶乙酸乙酯=5∶1),得到含氟含炔基基团羟胺类化合物纯品I-6(39.2mg,66%).
[0062]
[0063] 1H NMR(400MHz,CDCl3)δ7.57(s,4H),6.56(brs,1H),5.53(brs,1H),19
4.08-3.90(m,1H),3.47(dd,J=13.3,4.4Hz,1H),3.20(dd,J=13.2,9.5Hz,1H). F
13
NMR(377MHz,CDCl3)δ-63.01,-69.50. C NMR(100MHz,CDCl3)δ132.26,130.76(q,J=32.9Hz),125.50,124.67(q,J=278.0Hz),125.29(q,J=3.7Hz),123.75(q,J=271.0Hz),-
84.55,82.77(q,J=3.5Hz),52.09,36.26(q,J=30.1Hz).LRMS-ESI[M-H] :296.0(100);HRMS计算:C12H9NF6O:297.0588,实测:297.0586.
[0064] 实施例7
[0065] 将原料1-硝基-4-(3-三氟甲基)-3-丁烯-1-炔基苯(0.2mmol),盐酸羟胺(0.4mmol),二氯甲烷(2.0ml)置于反应瓶中。室温下加入碳酸钾(0.44mmol)并搅拌
24h,通过TLC检测反应,至原料完全消失。将溶剂减压蒸馏除去并且将粗产品直接用硅胶快速柱色谱纯化(石油醚∶乙酸乙酯=1∶1),得到含氟含炔基基团羟胺类化合物纯品I-7(35.6mg,75%).
[0066]
[0067] 1H NMR(400MHz,CDCl3)δ8.19(d,J=8.8Hz,2H),7.62(d,J=8.8Hz,2H),6.16(s,1H),5.58(brs,1H),4.08-3.95(m,1H),3.48(dd,J=13.3,4.5Hz,1H),3.21(dd,J=13.3,
19 13
9.4Hz,1H). F NMR(377MHz,CDCl3)δ-69.27. C NMR(100MHz,CDCl3)δ147.51,132.82,
128.48,124.53(q,J=278.0Hz),123.57,85.67,83.87,52.04,36.34(q,J=30.0Hz).+
LRMS-ESI:272.95(M-H)(100);HRMS计算:C11H9N2O3F3:274.0565,实测:274.0566.[0068] 实施例8
[0069] 其他操作参考实施例1,所用原料为1-硝基-3-(3-三氟甲基)-3-丁烯-1-炔基苯,反应时间为30h,得到纯产品I-8(36.2mg,66%).
[0070]
[0071] 1H NMR(400MHz,d6-DMSO)δ8.28(s,1H),8.26-8.21(m,1H),7.91(d,J=7.7Hz,1H),7.69(d,J=8.0Hz,1H),7.66(s,1H),6.05(brs,1H),4.19-4.03(m,1H),3.24(dd,
19 13
J=12.9,4.1Hz,1H),3.11(dd,J=12.8,9.0Hz,1H). F NMR(377MHz,d6-DMSO)δ-63.51. C NMR(100MHz,d6-DMSO)δ148.27,138.30,130.85,126.77,125.66(q,J=279.0Hz),124.26,
123.51,85.17(q,J=3.7Hz),82.68,52.74,36.38(q,J=28.5Hz).MS(70eV):m/z( % ):
+
274(M,15.57),66(100).HRMS计算:C11H9N2O3F3:274.0565,实测:274.0567.[0072] 实施例9
[0073] 其他操作参考实施例1,所用原料为1-硝基-2-(3-三氟甲基)-3-丁烯-1-炔基苯,反应时间为24h,得到纯产品I-9(26.3mg,48%).
[0074]
[0075] 1H NMR(400MHz,CDCl3)δ8.08(dd,J=8.3,1.0Hz,1H),7.67(dd,J=7.7,1.4Hz,1H),7.60(td,J=7.6,1.2Hz,1H),7.53-7.47(m,1H),6.54(brs,1H),5.82(brs,
19
1H),4.15-4.03(m,1H),3.49(dd,J=13.3,4.3Hz,1H),3.22(dd,J=13.3,9.8Hz,1H). F
13
NMR(377MHz,CDCl3)δ-69.19. C NMR(100MHz,CDCl3)δ149.81,135.09,133.08,
129.39,124.58(q,J=279.0Hz),124.79,117.31,88.52(q,J=3.8Hz),81.39,51.86,+
36.61(q,J=30.1Hz).MS(70eV):m/z( % ):275(M+H,10.0),209(100).HRMS-ESI 计 算:
+
C11H10N2O3F3[M+H]:275.0638,实测:275.0656.
[0076] 实施例10
[0077] 其他操作参考实施例1,所用原料为1-腈基-4-(3-三氟甲基)-3-丁烯-1-炔基苯,反应时间为24h,得到纯产品I-10(26.9mg,53%).
[0078]
[0079] 1H NMR(400MHz,CDCl3)δ7.62(d,J=8.4Hz,2H),7.55(d,J=8.4Hz,2H),5.76(s,1H),5.56(brs,1H),4.07-3.93(m,1H),3.47(dd,J=13.3,3.1Hz,1H),3.19(dd,J=13.3,
19 13
9.4Hz,1H). FNMR(377MHz,CDCl3)δ-69.34. C NMR(100MHz,CDCl3)δ132.53,132.04,
126.61,124.58(q,J=278.0Hz),118.16,112.42,84.89,84.11,52.11,36.35(q,J=30.0Hz).+
MS(70eV):m/z( % ):254(M,1.99),46(100).HRMS 计 算:C12H9N2F3O:254.0667,实 测:
254.0666.
[0080] 实施例11
[0081] 其他操作参考实施例1,所用原料为4-(3-三氟甲基)-3-丁烯-1-炔基苯甲醛,反应时间为36h,得到纯产品I-11(26.1mg,48%).
[0082]
[0083] 1H NMR(400MHz,d6-DMSO)δ11.43(s,1H),8.16(s,1H),7.65(s,1H),7.60(d,J=8.3Hz,2H),7.49(d,J=8.2Hz,2H),6.01(brs,1H),4.08-3.97(m,1H),3.20(dd,J=12.8,19 13
4.2Hz,1H),3.06(dd,J=12.8,8.9Hz,1H). F NMR(377MHz,d6-DMSO)δ-63.55. C NMR(100MHz,d6-DMSO)δ148.05,134.07,132.54,127.06,125.80(q,J=278.0Hz),122.55,+
84.55,84.07,53.00,36.42(q,J=28.2Hz).MS(70eV):m/z(%):272.0(M,23.0),210(100).+
HRMS-ESI计算:C12H12N2O2F3[M+H]:273.0845,实测:273.0859.
[0084] 实施例12
[0085] 其他操作参考实施例1,所用原料为4-(3-三氟甲基)-3-丁烯-1-炔基苯甲酸甲酯,反应时间为28h,得到纯产品I-12(40.8mg,71%).
[0086]
[0087] 1H NMR(400MHz,CDCl3)δ7.99(d,J=8.2Hz,2H),7.52(d,J=8.2Hz,2H),6.19(brs,1H),5.59(brs,1H),4.06-3.95(m,1H),3.92(s,3H),3.47(dd,J=13.0,3.8Hz,1H),3.19(dd,
19 13
J=13.1,9.6Hz,1H). F NMR(377MHz,CDCl3)δ-69.46. C NMR(100MHz,CDCl3)δ166.37,
131.92,130.19,129.47,126.35,124.69(q,J=278.0Hz),85.08,83.20,52.29,52.13,+
36.30(q,J=30.1Hz).MS(70eV):m/z(%):287(M,5.38),46(100).HRMS计算:C13H12NO3F3:
287.0769,实测:287.0767.
[0088] 实施例13
[0089] 其他操作参考实施例1,所用原料为1-(3-三氟甲基)-3-丁烯-1-炔基萘,反应时间为24h,得到纯产品I-13(35.2mg,63%).
[0090]
[0091] 1H NMR(400MHz,CDCl3)δ8.27(d,J=8.3Hz,1H),7.85(d,J=8.3Hz,2H),7.71(d,J=7.1Hz,1H),7.63-7.56(m,1H),7.53(dd,J=11.0,4.0Hz,1H),7.46-7.39(m,1H),6.26(brs,1H),5.55(brs,1H),4.21-4.08(m,1H),3.55(dd,J=13.3,4.6Hz,1H),3.30(dd,
19 13
J=13.3,9.4Hz,1H). F NMR(377MHz,CDCl3)δ-69.47. C NMR(100MHz,CDCl3)δ133.36,
133.09,131.03,129.42,128.34,127.10,126.52,124.96(q,J=278.0Hz)125.74,125.05,
119.35,85.05(q,J=3.7Hz),84.14,52.37,36.60(q,J=29.0Hz).MS(70eV):m/z( % ):
+
279(M,8.22),46(100).HRMS计算:C15H12NOF3:279.0871,实测:279.0879.
[0092] 实施例14
[0093] 其他操作参考实施例1,所用原料为2-(3-三氟甲基)-3-丁烯-1-炔基噻吩,反应时间为30h,得到纯产品I-14(26.8mg,57%).
[0094]
[0095] 1H NMR(400MHz,CDCl3)δ7.31-7.24(m,2H),7.04(brs,1H),6.97(dd,J=4.9,3.9Hz,1H),5.61(brs,1H),4.08-3.94(m,1H),3.44(dd,J=13.2,4.5Hz,1H),3.17(dd,
19 13
J=13.2,9.5Hz,1H). F NMR(377MHz,CDCl3)δ-69.44. C NMR(100MHz,CDCl3)δ133.12,
127.77,126.93,124.67(q,J=279.9Hz),121.52,84.04(q,J=3.7Hz),79.33,51.99,+
36.42(q,J=30.1Hz).MS(70eV):m/z( %):235(M,17.6),46(100).HRMS计 算:C9H8NOSF3:
235.0279,实测:2350277
[0096] 实施例15
[0097] 其他操作参考实施例1,所用原料为2-(3-三氟甲基)-3-丁烯-1-炔基吡啶,反应时间为24h,得到纯产品I-15(18.4mg,40%).
[0098]
[0099] 1H NMR(400MHz,CDCl3)δ8.58-8.53(m,1H),7.70-7.64(m,1H),7.47(d,J=7.8Hz,1H),7.36(brs,1H),7.30-7.23(m,1H),5.68(brs,1H),4.14-4.02(m,1H),3.46(dd,
19 13
J=13.2,4.4Hz,1H),3.20(dd,J=13.2,9.8Hz,1H). F NMR(377MHz,CDCl3)δ-69.22. C NMR(100MHz,CDCl3)δ149.74,141.99,136.52,127.45,124.72(q,J=278.0Hz),123.49,
84.72,81.26(q,J=3.4Hz),52.03,36.21(q,J=29.8Hz).MS(70eV):m/z( % ):230(M+,
68.15),66(100).HRMS计算:C10H9N2OF3:230.0667,实测:230.0665.
[0100] 实施例16
[0101] 其他操作参考实施例1,所用原料为1-(3-三氟甲基)-3-丁烯-1-炔基环己烯,反应时间为27h,得到纯产品I-16(26.6mg,57%).
[0102]
[0103] 1H NMR(400MHz,CDCl3)δ6.24(brs,1H),6.17(dd,J=3.8,1.9Hz,1H),5.54(brs,1H),3.97-3.70(m,1H),3.36(dd,J=13.1,4.4Hz,1H),3.05(dd,J=13.1,9.6Hz,1H),
19 13
2.17-2.05(m,4H),1.69-1.51(m,4H). F NMR(377MHz,CDCl3)δ-69.96. C NMR(100MHz,CDCl3)δ136.58,124.90(q,J=279.6Hz),119.58,87.84,77.20,52.24,36.09(q,+
J=29.8Hz),28.97,25.56,22.12,21.34.MS(70eV):m/z( %):233(M,1.79),46(100).HRMS计算:C11H14NOF3:233.1027,实测:233.1026.
[0104] 实施例17
[0105] 其他操作参考实施例1,所用原料为3-九氟丁基-3-丁烯-1-炔基苯,反应时间为24h,得到纯产品I-17(45.5mg,60%)。
[0106]
[0107] 1H NMR(400MHz,CDCl3)δ7.45(d,J=7.3Hz,2H),7.39-7.29(m,3H),4.19-3.95(m,19
1H),3.55(dd,J=13.2,3.8Hz,1H),3.20(dd,J=13.0,10.0Hz,1H). F NMR(377MHz,CDCl3)δ-80.79--81.04(m,3F),-113.04--117.18(m,2F),-120.12--122.74(m,
13
2F),-124.60--127.60(m,2F). C NMR(100MHz,CDCl3)δ131.90,128.96,128.34,121.75,
119.23-108.28(m,4C),86.93,79.49(d,J=10.4Hz),51.26,34.11(dd,J=26.6,22.8Hz).+
MS(70eV):m/z( % ):379(M,2.10),46(100).HRMS 计 算:C14H10NOF9:379.0619,实 测:
379.0617.
[0108] 实施例18
[0109] 其他操作参考实施例1,所用原料为2-(6-三氟甲基)庚-6-烯-4-炔基异吲哚啶-1,3-二酮,反应时间为48h,得到纯产品I-18(32.0mg,47%)。
[0110]
[0111] 1H NMR(400MHz,CDCl3)δ7.84(dd,J=5.5,3.0Hz,2H),7.71(dd,J=5.5,3.0Hz,2H),5.77(brs,2H),3.89-3.77(m,2H),3.72-3.60(m,1H),3.34(dd,J=13.1,4.3Hz,1H),
19
3.01(dd,J=13.1,9.9Hz,1H),2.34-2.25(m,2H),1.97-1.88(m,2H). F NMR(377MHz,CDCl3)
13
δ-70.11. C NMR(100MHz,CDCl3)δ168.36,133.96,132.00,124.94(q,J=279.6Hz),+
123.24,85.16,72.29,52.05,36.82,35.69(q,J=28.8Hz),27.20,16.27.LRMS-ESI[M+H]:
341.0(100);HRMS计算:C16H15N2F3O3:340.1035,实测:340.1036.
[0112] 实施例19
[0113] 其他操作参考实施例1,所用原料为6-三氟甲基-庚-6-烯-4-炔基乙酸酯,反应时间为48h,得到纯产品I-19(26.8mg,53%)。
[0114]
[0115] 1H NMR(400MHz,CDCl3)δ6.25(brs,1H),δ5.60(brs,1H),δ4.15(t,J=6.3Hz,2H),3.76-3.60(m,1H),3.32(dd,J=13.0,4.2Hz,1H),3.00(dd,J=13.0,9.7Hz,1H),
19 13
2.31(t,J=7.0Hz,2H),2.04(s,3H),1.89-1.80(m,2H). F NMR(377MHz,CDCl3)δ-70.14. C NMR(100MHz,CDCl3)δ171.12,124.94(q,J=279.5Hz),85.17,72.06(q,J=3.5Hz),62.83,+
52.14,35.60(q,J=29.8Hz),27.47,20.84,15.37.MS(70eV):m/z( % ):253(M,2.79),
43(100).HRMS计算:C10H14NO3F3:253.0926,实测:253.0927.
[0116] 实施例20
[0117] 将前述实施例1制备得到的N-(4-苯基-2-三氟甲基-3-丁炔基)羟胺I-1(0.2mmol)作为原料,溶解在1,2-二氯乙烷(2.0ml)中,加入AgOTf2(5mmol%),室温搅拌5h,通过TLC检测反应,至原料完全消失。将溶剂减压蒸馏除去并且将粗产品直接用硅胶快速柱色谱纯化(乙醚)得到含多氟烷基环状硝酮纯产品II-1(43.5mg,95%)。
[0118]
[0119] 1H NMR(400MHz,CDCl3)δ8.35-8.21(m,2H),7.52-7.38(m,3H),4.46-4.29(m,19 13
2H),3.41(dd,J=18.5,11.0Hz,1H),3.35-3.19(m,2H). F NMR(377MHz,CDCl3)δ-73.13. C NMR(100MHz,CDCl3)δ138.07,130.81,128.53,128.19,127.00,126.17(q,J=275.0Hz),+
63.27(q,J=2.4Hz),34.12(q,J=30.5Hz),30.92(q,J=2.8Hz).MS(70eV):m/z(%):229(M,
100).HRMS计算:C11H10F3NO:229.0714,实测:229.0712.
[0120] 实施例21
[0121] 将前述实施例2制备得到的N-(4-对甲基苯基-2-三氟甲基-3-丁炔基)羟胺I-2(0.2mmol)作为原料,溶解在二氯甲烷(1.6ml)中,加入AgBF4(5mmol%),室温搅拌
45min,通过TLC检测反应,至原料完全消失。将溶剂减压蒸馏除去并且将粗产品直接用硅胶快速柱色谱纯化(乙醚)得到含多氟烷基环状硝酮纯产品II-2(40.8mg,84%)
[0122]
[0123] 1H NMR(400MHz,CDCl3)δ8.19(d,J=8.3Hz,2H),7.26(d,J=8.1Hz,2H),19
4.55-4.24(m,2H),3.42(dd,J=18.3,11.0Hz,1H),3.35-3.20(m,2H),2.39(s,3H). F
13
NMR(377MHz,CDCl3)δ-73.08. C NMR(100MHz,CDCl3)δ141.51,138.53,129.26,127.12,
126.19(q,J=276.0Hz),125.45,63.05,34.17(q,J=30.5Hz),30.99(q,J=2.7Hz),21.61.+
MS(70eV):m/z(%):243(M,100).HRMS计算:C12H12NOF3:243.0871,实测:243.0872.[0124] 实施例22
[0125] 将前述实施例3制备得到的N-(4-对甲氧基苯基-2-三氟甲基-3-丁炔基)羟胺I-3(0.2mmol)作为原料,溶解在二甲亚砜(2.0ml)中,加入AgBF4(5mmol%),室温搅拌2.5h,通过TLC检测反应,至原料完全消失。向反应液中加入2.0ml水,用5.0ml乙酸乙酯萃取3次,合并有机层,将有机层用3.0ml饱和食盐水洗涤,无水硫酸镁干燥过滤,将溶剂减压蒸馏除去并且将粗产品直接用硅胶快速柱色谱纯化(乙酸乙酯)得到含多氟烷基环状硝酮纯产品II-3(50.2mg,97%)
[0126]
[0127] 1H NMR(400MHz,CDCl3)δ8.29(d,J=8.9Hz,2H),6.95(d,J=8.9Hz,2H),4.47-4.26(m,2H),3.85(s,3H),3.40(dd,J=18.2,10.8Hz,1H),3.34-3.17(m,2H).19F NMR(377MHz,CDCl3)δ-73.08.13C NMR(100MHz,CDCl3)δ161.34,137.96,129.07,126.23(q,J=277.2Hz),121.13,113.89,62.84,55.33,34.20(q,J=30.5Hz),30.98(q,J=2.9Hz).MS(70eV):m/z(%):259(M+,100).HRMS计算:C12H12NO2F3:259.0820,实测:259.0818.[0128] 实施例23
[0129] 将前述实施例4制备得到的N-(4-对氯苯基-2-三氟甲基-3-丁炔基)羟胺I-4(0.2mmol)作为原料,溶解在乙腈(2.0ml)中,加入AgSbF6(5mmol%)室温搅拌2.5h,通过TLC检测反应,至原料完全消失。将溶剂减压蒸馏除去并且将粗产品直接用硅胶快速柱色谱纯化(乙醚)得到含多氟烷基环状硝酮纯产品II-4(43.1mg,82%)
[0130]
[0131] 1H NMR(400MHz,CDCl3)δ8.25(d,J=8.6Hz,2H),7.41(d,J=8.6Hz,2H),4.50-4.25(m,2H),3.41(dd,J=18.4,11.0Hz,1H),3.36-3.21(m,2H).19F NMR(377MHz,CDCl3)δ-73.12.13C NMR(100MHz,CDCl3)δ137.26,136.53,128.84,128.28,126.63,
126.10(q,J=277.0Hz),63.29,34.09(q,J=30.6Hz),30.85(q,J=2.8Hz).MS(70eV):m/z(%):263(M+,100),265(M++2,32.19).HRMS计算:C11H9NOF3Cl:263.0321,实测:263.0325.[0132] 实施例24
[0133] 将前述实施例5制备得到的N-(4-对溴苯基-2-三氟甲基-3-丁炔基)羟胺I-5(0.2mmol)作为原料,其他操作参考实施例23,反应时间为2.5h,得到含多氟烷基环状硝酮纯产品II-5(53.4mg,87%)。
[0134]
[0135] 1H NMR(400MHz,CDCl3)δ8.17(d,J=8.7Hz,2H),7.57(d,J=8.7Hz,2H),19
4.48-4.27(m,2H),3.42(dd,J=18.1,10.9Hz,1H),3.36-3.22(m,2H). F NMR(377MHz,
13
CDCl3)δ-73.10. C NMR(100MHz,CDCl3)δ137.35,131.82,128.41,127.02,126.09(q,J=278.0Hz),125.00,63.35,34.09(q,J=30.6Hz),30.80(q,J=2.8Hz).MS(70eV):m/z(%):
+ +
307(M,100),309(M+2,99.70).HRMS计算:C11H9NOF3Br:306.9820,实测:306.9824[0136] 实施例25
[0137] 将前述实施例6制备得到的为N-(2-三氟甲基-4-对三氟甲基苯基-3-丁炔基)羟胺I-6(0.2mmol)作为原料,溶解在三氯甲烷(2.0ml)中,加入AgPF6(5mmol%),室温搅拌4h,通过TLC检测反应,至原料完全消失。将溶剂减压蒸馏除去并且将粗产品直接用硅胶快速柱色谱纯化(乙醚)得到含多氟烷基环状硝酮纯产品II-6(53.5mg,90%)
[0138]
[0139] 1H NMR(400MHz,CDCl3)δ8.40(d,J=8.3Hz,2H),7.69(d,J=8.5Hz,2H),19
4.63-4.28(m,2H),3.47(dd,J=18.5,11.0Hz,1H),3.40-3.25(m,2H). F NMR(377MHz,
13
CDCl3)δ-63.07,-73.21. C NMR(100MHz,CDCl3)δ136.87,131.99(q,J=32.7Hz),131.31,
127.11,126.07(q,J=276.0Hz),125.49(q,J=3.8Hz),123.60(q,J=271.0Hz),63.66,+
34.20(q,J=30.7Hz),30.86(q,J=2.8Hz).MS(70eV):m/z( % ):297(M,100).HRMS 计 算:
C12H9NF6O:297.0588,实测:297.0587.
[0140] 实施例26
[0141] 将前述实施例7制备得到的为N-(4-对硝基苯基-2-三氟甲基-3-丁炔基)羟胺I-7(0.2mmol)作为原料,溶解在乙腈(2.0ml)中,加入AgNTf2(5mmol%),室温搅拌1h,通过TLC检测反应,至原料完全消失。将溶剂减压蒸馏除去并且将粗产品直接用硅胶快速柱色谱纯化(乙酸乙酯)得到含多氟烷基环状硝酮纯产品II-7(53.7mg,98%)
[0142]
[0143] 1H NMR(400MHz,CDCl3)δ8.47(d,J=9.1Hz,2H),8.27(d,J=9.1Hz,2H),19
4.55-4.37(m,2H),3.52(dd,J=18.5,11.1Hz,1H),3.46-3.30(m,2H). F NMR(377MHz,
13
CDCl3)δ-73.16. C NMR(100MHz,CDCl3)δ148.01,136.38,133.65,127.55,125.97(q,J=277.4Hz),123.78,63.88,34.12(q,J=30.7Hz),30.82(q,J=2.8Hz).MS(70eV):m/z(%):
+
274(M,100).HRMS计算:C11H9N2O3F3:274.0565,实测:274.0561.
[0144] 实施例27
[0145] 将前述实施例8制备得到的N-(4-间硝基苯基-2-三氟甲基-3-丁炔基)羟胺I-8(0.2mmol)作为原料,其他操作参考实施例22反应时间为1h,得到含多氟烷基环状硝酮纯产品II-8(46.6mg,85%)。
[0146]
[0147] 85 % isolated yield.1H NMR(400MHz,CDCl3)δ8.99(s,1H),8.79(d,J=7.8Hz,1H),8.28(d,J=8.2Hz,1H),7.65(t,J=8.1Hz,1H),4.56-4.37(m,2H),3.53(dd,J=18.3,
19 13
10.9Hz,1H),3.46-3.32(m,2H). F NMR(377MHz,CDCl3)δ-77.93. C NMR(100MHz,CDCl3)δ148.25,136.11,132.23,129.81,129.76,126.03(q,J=276.0Hz),125.00,121.58,63.75,+
34.21(q,J=26.4Hz),30.85.MS(70eV):m/z( % ):274(M,100),HRMS 计 算:C11H9N2O3F3:
274.0565,实测:274.0563.
[0148] 实施例28
[0149] 将前述实施例9制备得到的N-(4-邻硝基苯基-2-三氟甲基-3-丁炔基)羟胺I-9(0.2mmol)作为原料,其他操作参考实施例22,反应时间为0.5h,得到含多氟烷基环状硝酮纯产品II-9(49.3mg,90%)。
[0150]
[0151] 1H NMR(400MHz,CDCl3)δ8.10(dd,J=8.2,1.0Hz,1H),7.72(td,J=7.6,1.2Hz,1H),7.61(td,J=8.1,1.4Hz,1H),7.53(dd,J=7.7,1.3Hz,1H),4.42-4.33(m,1H),4.32-4.24(m,
1H),3.50-3.37(m,2H),3.34-3.23(m,1H).19F NMR(377MHz,CDCl3)δ-73.22.13C NMR(100MHz,CDCl3)δ148.17,136.77,133.44,130.93,129.57,125.00,123.39,126.05(q,J=275.0Hz),61.93(q,J=2.5Hz),35.19(q,J=30.7Hz),31.93(q,J=2.9Hz).MS(70eV):m/z(%):274(M+,13.95),104(100).HRMS计算:C11H9N2O3F3:274.0565,实测:274.0555.[0152] 实施例29
[0153] 将前述实施例10制备得到的4-(4,4,4,-三氟-3-((羟基氨基)甲基)-1-丁炔基)苄腈I-10(0.2mmol)作为原料,其他操作参考实施例20,反应时间为40min,得到含多氟烷基环状硝酮纯产品II-10(48.7mg,96%)。
[0154]
[0155] 1H NMR(400MHz,CDCl3)δ8.39(d,J=8.4Hz,2H),7.71(d,J=8.2Hz,2H),19
4.53-4.34(m,2H),3.47(dd,J=18.4,11.0Hz,1H),3.40-3.28(m,2H). F NMR(377MHz,
13
CDCl3)δ-73.18. C NMR(100MHz,CDCl3)δ136.50,132.26,131.95,127.08,126.00(q,J=276.0Hz),118.20,113.58,63.81(q,J=2.5Hz),34.13(q,J=30.7Hz),30.68(q,J=2.9Hz).+
MS(70eV):m/z(%):254(M,100).HRMS计算:C12H9N2F3O:254.0667,实测:254.0668.[0156] 实施例30
[0157] 将前述实施例11制备得到的4-(4,4,4,-三氟-3-((羟基氨基)甲基)-1-丁炔基)苯甲醛肟I-11(0.2mmol)作为原料,溶解在乙腈(2.0ml)中,加入AgOTf(5mmol%),室温搅拌2h,通过TLC检测反应,至原料完全消失。将溶剂减压蒸馏除去并且将粗产品直接用硅胶快速柱色谱纯化(MeOH∶DCM=5∶95)得到含多氟烷基环状硝酮纯产品II-11(41.9mg,77%).
[0158]1
[0159] H NMR(400MHz,d6-DMSO)δ11.43(s,1H),8.38(d,J=8.5Hz,2H),8.17(s,1H),7.68(d,J=8.5Hz,2H),4.48(dd,J=14.7,9.7Hz,1H),4.18(dd,J=14.7,5.1Hz,
1H),3.75-3.61(m,1H),3.55(dd,J=17.5,9.9Hz,1H),3.28(dd,J=17.5,3.9Hz,
19 13
1H). F NMR(377MHz,d6-DMSO)δ-73.44. C NMR(100MHz,d6-DMSO)δ148.10,137.12,
135.00,129.59,127.51(q,J=276.0Hz),127.47,126.74,63.77,33.74(q,J=29.2Hz),+
30.6.MS(70eV):m/z(%):272(M,5.13),66(100).HRMS计算:C12H11N2O2F3:272.0773,实测:
272.0774.
[0160] 实施例31
[0161] 将前述实施例12制备得到的4-(4,4,4,-三氟-3-((羟基氨基)甲基)-1-丁炔基)苯甲酸甲酯I-12(0.2mmol)作为原料,其他操作参考实施例20,反应时间为0.5h,得到含多氟烷基环状硝酮纯产品II-12(55.1mg,96%)。
[0162]1
[0163] H NMR(400MHz,CDCl3)δ8.35(d,J=8.6Hz,2H),8.10(d,J=8.6Hz,2H),19
4.54-4.31(m,2H),3.93(s,3H),3.48(dd,J=18.4,10.9Hz,1H),3.41-3.27(m,2H). F
13
NMR(377MHz,CDCl3)δ-73.10. C NMR(100MHz,CDCl3)δ166.21,137.36,131.97,131.59,
129.73,126.10(q,J=275.0Hz),126.77,63.66(q,J=2.4Hz),52.31,34.22(q,J=30.6Hz),+
30.92(q,J=2.7Hz).MS(70eV):m/z(%):287(M,0.85),175(100).HRMS计算:C13H12NO3F3:
287.0769,实测:287.0768.
[0164] 实施例32
[0165] 将前述实施例13制备得到的N-(4-(1-萘基)-2-三氟甲基-3-丁炔)羟胺I-13(0.2mmol)作为原料,反应时间为1h,其他操作参考实施例21,得到含多氟烷基环状硝酮纯产品II-13(51.3mg,92%)。
[0166]1
[0167] H NMR(400MHz,CDCl3)δ8.10-7.81(m,2H),7.80-7.41(m,5H),4.67-4.32(m,2H),19 13
3.62-3.21(m,3H). F NMR(377MHz,CDCl3)δ-73.43. C NMR(100MHz,CDCl3)δ140.88,
133.62,131.02,129.35,128.71,126.97,126.77,126.52,126.24(q,J=278Hz),126.19,+
125.49,124.92,62.26,35.12(q,J=30.4Hz),33.98.MS(70eV):m/z( % ):279(M,0.77),
262(100).HRMS计算:C15H12NOF3:279.087,实测:279.0873.
[0168] 实施例33
[0169] 将前述实施例14制备得到的N-(4-(2-噻吩基)-2-三氟甲基-3-丁炔)羟胺I-14(0.2mmol)作为原料,其他操作参考实施例20,反应时间为30min,得到含多氟烷基环状硝酮纯产品II-14(42.3mg,95%)。
[0170]
[0171] 95 % isolated yield.1H NMR(400MHz,CDCl3)δ7.53(d,J=5.0Hz,1H),7.31(d,19
J=3.7Hz,1H),7.13(dd,J=5.0,3.7Hz,1H),4.44-4.21(m,2H),3.52-3.20(m,3H). F
13
NMR(377MHz,CDCl3)δ-72.98. C NMR(100MHz,CDCl3)δ136.14,129.69,129.31,128.35,
126.53,126.07(q,J=276.0Hz),35.12(q,J=30.6Hz),29.97(q,J=2.9Hz).MS(70eV):m/+
z(%):235(M,100).HRMS计算:C9H8NF3OS:235.0279,实测:235.0278.
[0172] 实施例34
[0173] 将前述实施例15制备得到的N-(4-(2-吡啶基)-2-三氟甲基-3-丁炔)羟胺I-15(0.2mmol)作为原料,其他操作参考实施例20,反应时间为1h,得到含多氟烷基环状硝酮纯产品II-15(43.2mg,94%)。
[0174]
[0175] 1H NMR(400MHz,CDCl3)δ9.20(d,J=8.0Hz,1H),8.63(d,J=4.3Hz,1H),7.80(t,J=7.4Hz,1H),7.34-7.27(m,1H),4.53-4.33(m,2H),3.64(dd,J=18.8,9.9Hz,1H),3.52(dd,19 13
J=18.8,4.7Hz,1H),3.36-3.19(m,1H). F NMR(377MHz,CDCl3)δ-73.21. C NMR(100MHz,CDCl3)δ149.37,147.29,140.49,136.63,126.27(q,J=277.2Hz),124.73,123.16,+
64.19(q,J=2.4Hz),34.15(q,J=30.5Hz),30.89(q,J=2.8Hz).MS(70eV):m/z(%):230(M,
72.12),144(100).HRMS计算:C10H9N2F3O:230.0667,实测:230.0665.
[0176] 实施例35
[0177] 将前述实施例16制备得到的为N-(4-(1-环己烯)-2-三氟甲基-3-丁炔)羟胺I-16(0.2mmol)作为原料,其他操作参考实施例20,反应时间为1h,得到含多氟烷基环状硝酮纯产品II-16(42.9mg,92%)。
[0178]
[0179] 1H NMR(400MHz,CDCl3)δ7.44(s,1H),4.34-4.15(m,2H),3.20-3.08(m,2H),2.96(d,J=12.7Hz,1H),2.43-2.32(m,2H),2.25(s,2H),1.80-1.65(m,2H),1.65-1.57(m,
19 13
2H). FNMR(377MHz,CDCl3)δ-73.14. C NMR(100MHz,CDCl3)δ140.19,135.45,127.39,
126.19(q,J=275.0Hz),62.62(q,J=2.4Hz),34.15(q,J=30.4Hz),30.96(q,J=2.8Hz),+
26.33,25.94,22.28,21.21.MS(70eV):m/z( % ):233(M,98.57),148(100).HRMS 计 算:
C11H14NOF3:233.1027,实测:233.1029.
[0180] 实施例36
[0181] 将前述实施例17制备得到的N-(4-苯基-2-九氟丁基-3-丁炔基)羟胺I-17(0.2mmol)作为原料,其他操作参考实施例20,反应时间为30min,得到含多氟烷基环状硝酮纯产品II-17(72.0mg,9%)。
[0182]
[0183] 1H NMR(400MHz,CDCl3)δ8.34-8.24(m,2H),7.50-7.39(m,3H),4.56-4.43(m,19
1H),4.38-4.28(m,1H),3.53-3.33(m,3H). F NMR(377MHz,CDCl3)δ-80.74--81.20(m,
3F),-118.67--118.80(m,1F),-118.80--118.95(m,1F),-122.56--122.61(m,
13
1F),-122.67--122.79(m,1F),-126.08(t,J=13.9Hz,2F). C NMR(100MHz,CDCl3)δ137.98,130.90,128.59,128.18,127.06,119.46-105.69(m,4C),62.85,32.88(t,+
J=23.1Hz),30.43.MS(70eV):m/z( %):379(M,87.88),378(100).HRMS计 算:C14H10NOF9:
379.0619,实测:379.0616.
[0184] 实施例37
[0185] 将前述实施例18制备得到的2-(7,7,7-三氟-6-((羟基氨基)甲基)-4-庚炔基)异吲哚啉-1,3-二酮I-18(0.2mmol)作为原料,溶解在1,2-二氯乙烷(2.0ml)中,加入Ag0Tf2(5mmol%),室温搅拌1.5h,通过TLC检测反应,至原料完全消失。将溶剂减压蒸馏除去并且将粗产品直接用硅胶快速柱色谱纯化(MeOH∶DCM=10∶90)得到含多氟烷基环状硝酮纯产品II-18(63.2mg,93%)。
[0186]
[0187] 1H NMR(400MHz,CDCl3)δ7.83-7.77(m,2H),7.71-7.65(m,2H),4.25-4.03(m,2H),3.68(t,J=7.2Hz,2H),3.30-3.11(m,1H),3.04(dd,J=18.6,9.7Hz,1H),2.91(d,J=18.6Hz,1H),2.54(t,J=7.7Hz,2H),2.01-1.84(m,2H).19F NMR(377MHz,CDCl3)δ-73.35.13CNMR(100MHz,CDCl3)δ168.12,144.03,133.98,131.89,126.09(q,J=277.2Hz),123.20,61.07,37.14,34.52(q,J=30.4Hz),31.29(q,J=2.8Hz),23.80,23.57.MS(70eV):m/z( %):340(M+,2.90),151(100).HRMS计 算:C16H15N2F3O3:340.1035,实 测:
340.1038.
[0188] 实施例38
[0189] 将前述实施例19制备得到的为7,7,7-三氟-6-((羟基氨基)甲基)-4-庚炔基-1-乙酸酯I-19(0.2mmol)作为原料,其他操作参考实施例37,反应时间为1.5h,得到含多氟烷基环状硝酮纯产品II-19(45.0mg,89%)。
[0190]
[0191] 1H NMR(400MHz,CDCl3)δ4.24-4.11(m,2H),4.07(t,J=6.4Hz,2H),3.28-3.11(m,1H),3.00(dd,J=18.7,9.6Hz,1H),2.88(d,J=18.7Hz,1H),2.62-2.49(m,2H),2.02(s,3H),
19 13
1.93-1.82(m,2H). F NMR(377MHz,CDCl3)δ-73.40. C NMR(126MHz,CDCl3)δ170.92,
144.44,126.09(q,J=277.2Hz),63.45,61.09(q,J=2.5Hz),34.57(q,J=30.5Hz),31.49(q,+
J=2.8Hz),23.93,23.16,20.83.MS(70eV):m/z( %):253(M,6.01),43(100).HRMS 计 算:
C10H14NO3F3:253.0926,实测:253.0927.
[0192] 实施例39
[0193] 将前述实施例20制备得到的含多氟烷基环状硝酮纯产品II-1(0.5mmol)溶解在二氯甲烷(6.5ml)中,加入丁炔二酸甲酯(DMAD)(0.09mL,1.5mmol),室温搅拌12h,通过TLC检测反应,至原料完全消失。将溶剂减压蒸馏除去并且将粗产品直接用硅胶快速柱色谱纯化(石油醚∶乙酸乙酯=20∶1)得到含氟四氢吡咯并异噁唑双杂环化合物VIa(102.4mg,52%),VIb(47.3mg,24%)。
[0194]

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