JP7113630B2 - ジフルオロメチレン化合物及びその製造方法 - Google Patents
ジフルオロメチレン化合物及びその製造方法 Download PDFInfo
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Description
すなわち、本発明は、下記一般式(1)
で表されるジフルオロメチレン化合物に係るものである。
本発明の一般式(1)で表されるジフルオロメチレン化合物は、一般式(2)で表されるジフルオロシクロプロパン類を、溶剤中、X1を導入するための試薬及びX2を導入するための試薬の存在下(式(1)におけるX1とX2が同一の置換基である場合にはX1を導入するための試薬の存在下)、開環させることによって得られる。
本発明の一般式(1)のX1におけるハロゲン原子としては、具体的には例えば、臭素、ヨウ素等が挙げられる。
(i)Dolbier, Jr. W. R.ら、J. Org. Chem. 2012, 77, 5461-5464。
(ii)Hu,J.-B.,Surya Prakash, G. K.ら、Angew. Chem. Int. Ed. 2011, 50, 7153-7157。
(2,4-ジブロモ-3,3-ジフルオロブタ-2-イル)ベンゼン
1H NMR(300MHz, CDCl3):δ(ppm)7.69-7.66 (2H, m), 7.40-7.35(3H, m), 3.82(1H, ddd, J=27.6, 12.0, 3.3 Hz), 3.57(1H, ddd, J=27.3, 12.0, 3.3Hz), 2.33(3H, s)。
13C NMR(75.45Hz,CDCl3):δ(ppm)138.3,129.0, 128.7(t, J=1.5Hz), 128.3, 118.6(dd, J = 252.4, 250.6 Hz), 65.9(t, J=26.0 Hz), 30.3(t, J=27.3Hz), 27.4(dd, J=3.8, 2.5Hz)。
19F NMR(282Hz, CDCl3):δ(ppm)-104.38(1F, dd, J=237.1, 27.4Hz), -106.72 (1F, dd, J=237.1, 27.4Hz)。
IR (CHCl3):3014, 1496, 1446, 1422, 1384, 1275, 1216, 1038, 1016, 750cm-1。
元素分析:計算値C10H10Br2F2:C,36.62;H,3.07、実測値:C,36.76;H,2.94。
1H NMR(300MHz, CDCl3):δ(ppm)7.65-7.62(2H,m), 7.44-7.40(3H,m), 4.54(1H, d, J=12.0Hz), 4.26(1H, d, J=11.7Hz), 4.08(1H, ddd, J=29.4, 12.3, 2.4Hz), 3.35(1H, ddd, J=27.9, 12.3, 3.3Hz)。
13C NMR(75.45Hz,CDCl3):δ(ppm)134.2(d, J=1.8Hz), 129.5, 129.1(dd, J=2.5, 1.2Hz), 128.7, 118.6(dd, J=255.5, 251.8Hz), 71.7(t, J =24.1Hz), 37.5(dd, J=4.3, 3.1Hz), 30.8(t, J=26.0Hz)。
19F NMR(282Hz, CDCl3):δ(ppm)-103.17(1F, dd, J=237.1, 22.9 Hz), -106.51 (1F, dd, J=237.1, 28.3Hz)。
IR(KBr):3050, 2991, 1493, 1443, 1432, 1420, 1274, 1258, 1220, 1190cm-1。
元素分析:計算値C10H9Br3F2:C,29.52;H,2.23、実測値:C,29.73;H,2.08。
1H NMR(300MHz, CDCl3):δ(ppm)7.54(2H, d, J = 7.8Hz), 7.41-7.33(3H, m), 3.79(1H, ddd, J = 30.0, 12.0, 2.4Hz), 3.46(1H, ddd, J=28.5, 12.3, 3.3Hz), 2.38(1H, brs), 1.77(3H, s)。
13C NMR(75.45Hz,CDCl3):δ(ppm)139.8(d, J=4.3 Hz), 128.4, 128.2, 125.7(dd, J=2.5, 1.2 Hz), 119.7(dd, J=251.8, 250.0Hz), 75.9(dd, J=27.3, 25.4Hz), 30.2(t, J=26.7Hz), 24.1(dd, J=3.1, 2.5 Hz)。
19F NMR(282Hz, CDCl3):δ(ppm)-112.1(1F, dd, J=244.2,30.8Hz), -115.40(1F, dd, J=244.2,27.3Hz)。
IR(CHCl3):3601, 3459, 3017, 1449, 1216, 1141, 1073, 1037, 761, 703cm-1。
元素分析:計算値C10H11BrF2O:C,45.31;H,4.18、実測値:C,45.53;H,4.31。
1H NMR(300MHz, CDCl3):δ(ppm)1.42-1.37(4H, m), 1.31-1.21(12H, m), 1.16-1.15(3H, m), 1.02-0.91(2H, m), 0.90-0.86(3H, m)。
13C NMR(75.45Hz,CDCl3):δ(ppm)116.9(dd, J=288.4, 287.8Hz), 32.7(dd, J=4.9, 1.2Hz), 31.9, 29.6, 29.6, 29.5, 29.3, 26.3(d, J=4.1Hz), 26.1(t, J=9.9Hz), 22.7, 22.3(t, J=10.0Hz), 16.1(dd, J=6.8, 1.3Hz), 14.1。
19F NMR(282Hz, CDCl3):δ(ppm)-138.84--139.42(1F, m), -140.38--140.97(1F, m)。
IR(CHCl3):2959, 2928, 2857, 1479, 1460, 1190, 1009, 902, 710, 576cm-1。
HRMS(FAB):計算値[C13H24F2]+:218.1846、実測値:218.1850。
1H NMR(300MHz, CDCl3):δ(ppm)4.09-4.01(1H, m), 3.98-3.90(1H, m),2.00-1.81(2H, m), 1.78(3H, s),1.65-1.41(2H, m), 1.32-1.28(12H, m),0.89(3H, t, J=6.3Hz)。
13C NMR(75.45Hz,CDCl3):δ(ppm)119.4(t, J=250.0Hz),66.7(t, J=25.5Hz), 38.9(dd, J=2.5, 1.8Hz), 31.8, 30.8(t, J=27.3Hz),29.55, 29.5, 29.4, 29.3, 25.1, 24.7(t, J=3.1Hz), 22.7, 14.1。
19F NMR(282Hz, CDCl3):δ(ppm)-106.68--107.65 (1F, m), -108.64--109.61(1F, m)。
IR(CHCl3):2927, 2855, 1466, 1422, 1382, 1216, 1052, 1031, 761, 652cm-1。
HRMS(FAB):計算値[C13H24Br2F2+Na]+:399.0105、実測値:399.0153。
1H NMR(300MHz, Acetone-d6):δ(ppm)7.33-7.23(7H, m), 6.95-6.90 (2H, m), 4.40(1H, dd, J=14.4, 12.9Hz),3.81(1H, d, J=13.2Hz), 3.80(3H, s), 3.65(1H, d, J=13.2Hz), 3.71-3.48(2H, m)。
13C NMR(75.45Hz,CDCl3):δ(ppm)159.5, 136.8, 130.4, 129.1, 128.5, 127.3, 126.8(dd, J=3.1, 1.9Hz), 120.2(t, J=246.9Hz), 114.0, 55.2, 51.4(t, J=25.4Hz), 36.2, 3.7(t, J=30.4Hz)。
19F NMR(282Hz, CDCl3):δ(ppm)-95.23--97.26 (2F, m)。
IR(CHCl3):3011, 1611, 1512, 1254, 1216, 1179, 1077, 1034, 1002, 758cm-1。
HRMS(FAB):計算値[C17H17F2IOS+H]+:435.0086、実測値:435.0070。
1H NMR(300MHz, CDCl3):δ(ppm)7.37-7.32(2H, m), 7.30-7.27(2H, m), 7.25-7.22(3H, m), 6.86-6.81(2H, m), 4.66(1H, dd, J=15.0, 13.2Hz), 3.78(3H, s), 3.59(1H, td, J=17.1, 11.7Hz), 3.40(1H, td, J=17.1, 12.0Hz)。
13C NMR(75.45Hz,CDCl3):δ(ppm)160.0, 135.4, 132.9,130.3(dd, J=1.8, 1.2Hz), 129.0, 128.0, 127.4(dd, J=2.5, 1.3Hz), 119.9(t, J=247.5Hz), 114.0, 57.4(t, J=24.8Hz), 55.2, 3.7(t, J=30.4Hz)。
19F NMR(282Hz, CDCl3):δ(ppm)-95.50--97.89 (2F, m)
IR(CHCl3):3006, 2837, 1610, 1513, 1254, 1179, 1075, 1033, 1001, 758cm-1。
HRMS(FAB):計算値[C16H15F2IOS+H]+:420.9929、実測値:420.9963。
1H NMR(300MHz, CDCl3):δ(ppm)8.11(2H, d, J=8.7Hz), 7.41(2H, d, J=8.7Hz), 1.70-1.62(1H, m), 1.50-1.42(4H, m)。
13C NMR(75.45Hz,CDCl3):δ(ppm)147.0, 146.4(dd, J=2.5, 1.9Hz), 129.4(dd, J=1.9, 0.6Hz), 123.8, 113.6(dd, J=290.3, 286.6Hz), 30.8(dd, J=11.5, 9.6Hz), 22.8(t, J=9.9Hz), 20.8(dd, J=6.2, 1.8Hz)。
19F NMR(282Hz, CDCl3):δ(ppm)-133.07--138.81(1F, m), -138.24-138.81(1F, m)。
IR(KBr):3117, 3085, 2976, 1599, 1517, 1347, 1222, 1005, 856, 725cm-1。
HRMS(FAB):計算値[C10H9F2NO2+H]+:214.0680、実測値:214.0702。
1H NMR(300MHz, CDCl3):δ(ppm)8.26-8.21(2H, m), 7.90(2H, d, J=9.3Hz), 3.94-3.66(2H, m), 2.38(3H, s)。
13C NMR(75.45Hz,CDCl3):δ(ppm)147.8, 144.9, 130.2(t, J=1.9Hz), 123.2, 118.4(t, J=251.9Hz), 63.8(t, J=26.7Hz), 29.8(t, J=27.2Hz), 27.7(t, J=3.1Hz)。
19F NMR(282Hz, CDCl3):δ(ppm)-104.56(1F, ddd, J=241.7, 22.9, 6.8Hz), -105.71(1F, ddd, J=241.7, 22.9, 6.8Hz)。
IR(CHCl3):3020, 1526, 1352, 1216, 1063, 1043, 1016, 862, 763, 472cm-1。
HRMS(FAB):計算値[C10H9Br2F2NO2+H]+:371.9046、実測値:371.9062。
1H NMR(300MHz, CDCl3):δ(ppm)7.44(2H, d, J=7.8Hz), 6.88(2H, d, J=7.2Hz), 5.35 (1H, dd, J=14.1, 11.4Hz), 3.80(3H, s),3.71(1H, dd, J=23.7, 11.7Hz), 3.44(1H, dd, J=26.1, 12.0Hz)。
13C NMR(75.45Hz,CDCl3):δ(ppm)160.4, 130.6, 126.1(d, J=3.8Hz), 118.2(dd, J=248.8, 247.4Hz), 114.1, 55.3, 50.2(t, J=26.6Hz), 29.7(dd, J=33.5, 32.2Hz)。
19F NMR(282Hz, CDCl3):δ(ppm)-102.20(1F, dq, J=246.2, 11.3Hz), -103.99(1F, dq, J=246.2, 11.3Hz)。
IR(CHCl3):3013, 2840, 1610, 1514, 1297, 1256, 1180, 1100, 1027, 757cm-1。
HRMS(FAB)計算値[C10H10Br2F2O+H]+:342.9139、実測値:342.9150。
1H NMR(300MHz, CDCl3):δ(ppm)7.44(2H, d, J=8.1Hz), 7.09(2H, d, J=8.4 Hz), 2.75-2.64(1H, m), 1.90-1.76(1H, m), 1.64-1.35(1H, m)。
13C NMR(75.45Hz,CDCl3):δ(ppm)132.7, 131.6, 129.7, 121.0, 112.2 (dd, J=286.6, 283.4Hz), 26.6(dd, J=11.7, 11.2Hz), 17.1(dd, J=10.6, 10.5Hz)。
19F NMR(282Hz, CDCl3):δ(ppm)-127.09--127.72(1F, m), -143.27--143.89(1F, m)。
1H NMR(300MHz, Acetone-d6):δ(ppm)7.53(2H,m), 7.41(2H, m), 5.33(1H, t, J=12.8Hz), 3.78(1H,dq, J=24.3, 12.0Hz),3.48(1H, dq, J=24.6, 12.0Hz)。
13C NMR(75.45Hz,CDCl3):δ(ppm)133.1(dd, J=1.9, 1.3Hz), 132.0, 131.0(t, J=1.2Hz), 124.0, 118.1(t, J=248.7Hz), 49.0(t, J=27.3Hz), 29.6(t, J=32.8Hz)。
19F NMR(282Hz, CDCl3):δ(ppm)-95.74(dq, J=244.2, 13.6Hz), -96.78(dq, J=244.2, 13.6Hz)。
IR(CHCl3):3015, 1591, 1490, 1421, 1408, 1264, 1216, 1100, 1076, 1026cm-1。
HRMS(FAB):計算値[C9H7Br3F2]+:389.8066、実測値:389.8075。
1H NMR(300MHz, CDCl3):δ(ppm)7.33(2H, d, J=8.6Hz),6.91(2H, d, J=8.6Hz),6.15(1H, br s),5.61(1H, ddd, J=15.3,12.9,9.3Hz),3.81(3H, s),3.57-3.32(2H,m),2.05(3H, s)。
13C NMR(75.45Hz,CDCl3):δ(ppm)169.5, 159.9,129.4, 126.5(d, J=3.8Hz), 119.7(dd, J=250.6,247.5Hz), 114.3, 55.3,54.5(t, J=23.5Hz), 30.0(t, J=30.4Hz),23.3。
19F NMR(282Hz, CDCl3):δ(ppm)-107.77--108.79(1F, m), -108.93--109.94(1F, m)。
IR(KBr):3292,3045,2840,1901,1664,1516,1369,1188,1041,809cm-1。
HRMS(FAB):計算値[C12H14BrF2NO2+H]+:322.0249、実測値:322.0224。
1H NMR(300MHz, DMSO-d6):δ(ppm)8.41(1H, s), 7.34-7.27(5H, m), 4.05(1H, ddd, J=29.4, 12.0, 3.6Hz), 3.87 (1H, ddd, J=29.4, 12.3, 3.0Hz), 1.93 (3H, s), 1.88(3H,s)。
13C NMR(75.45Hz, DMSO-d6):δ(ppm)169.1, 139.0, 127.9, 127.3, 127.1, 119.6(t, J=250.0Hz), 62.5(t, J=23.5Hz), 31.5(t, J=25.4Hz), 23.5, 20.4(dd, J=3.1, 2.5Hz)
19F NMR(282Hz, CDCl3):δ(ppm)-109.9(1F, dd, J=241.6, 27.4Hz), -112.6(1F, ddd, J=239.4, 27.4, 4.5Hz)。
IR(KBr):3274, 3082, 2992, 1649, 1563, 1372, 1308, 1228, 1206, 1057cm-1。
HRMS(FAB):計算値[C12H14Br2F2NO+H]+:306.0300、実測値:306.0293。
1H NMR(300MHz, CDCl3):δ(ppm)7.85-7.71(4H, m), 7.51-7.43(3H, m), 1.80(1H, ddd, J=13.5, 7.5, 3.6Hz), 1.60(3H, dd, J=2.7, 1.8Hz), 1.48(1H, ddd, J=12.0, 7.5, 4.2Hz)。
13C NMR(75.45Hz,CDCl3):δ(ppm)136.5(dd, J=2.5, 1.8Hz), 133.3, 132.5, 128.3, 127.7, 127.6, 127.0(d, J=2.5Hz), 126.5(d, J=1.9Hz), 126.2, 126.0, 114.7(dd, J=289.7, 286.6Hz), 31.3(dd, J=10.9, 9.7Hz), 22.5(t, J=10.0Hz), 21.2(dd, J=6.8, 5.0Hz)。
19F NMR(282Hz, CDCl3):δ(ppm)-133.72(1F, dd, J=150.7, 13.9Hz), -138.61(1F, dd, J=150.4, 11.6Hz)。
IR(CHCl3):3019,1477,1466,1216,1006,904,859,820,759,670cm-1。
HRMS(FAB):計算値[C14H12F2]+:218.0907、実測値:218.0869。
得られた化合物の分析結果は次の通りであった。
1H NMR(300MHz, CDCl3):δ(ppm)8.11-8.06(1H, m), 7.88-7.81(4H, m), 7.55-7.52(2H, m),3.87-3.74(1H, m), 3.68-3.53(1H, m), 2.44(3H, s)。
13C NMR(75.45Hz,CDCl3):δ(ppm)135.6,133.0,132.4,128.5,128.2,127.8(dd,J=1.8,1.2Hz),127.4(d,J=0.6Hz),127.3,126.8,126.3(d,J=2.5Hz),118.7(dd,J=252.4,250.1Hz),65.9(t,J=25.4Hz),30.3(t,J=27.2Hz),27.5(dd,J=3.7,2.4Hz)。
19F NMR(282Hz, CDCl3):δ(ppm)-102.93--103.86(1F, m), -105.56--106.52(1F, m)。
IR(CHCl3):3052,2991,2943,1596,1273,1384,1182,1013,796,756cm-1。
HRMS(FAB):計算値[C14H12Br2F2]+:375.9274、実測値:375.9291。
1H NMR(300MHz, CDCl3):δ(ppm)7.69-7.66 (2H, m), 7.40-7.35 (3H, m), 3.82 (1H, ddd, J= 27.6, 12.0, 3.3Hz), 3.57 (1H, ddd, J= 27.3, 12.0, 3.3Hz), 2.33 (3H, s)。
13C NMR(75.45Hz,CDCl3):δ(ppm)138.3, 129.0, 128.7 (t, J=1.5 Hz), 128.3, 118.6 (dd, J=252.4, 250.6Hz), 65.9 (t, J=26.0Hz), 30.3 (t, J=27.3Hz), 27.4 (dd, J=3.8, 2.5Hz)。
19F NMR(282Hz, CDCl3):δ(ppm)-104.38 (1F, dd, J=237.1, 27.4Hz), -106.72 (1F, dd, J=237.1, 27.4Hz)。
IR(CHCl3):3014, 1496, 1446, 1422, 1384, 1275, 1216, 1038, 1016, 750 cm-1。
元素分析:計算値C10H10Br2F2:C,36.63;H,3.07、実測値:C,36.76;H,2.94。
1H NMR(300MHz, CDCl3):δ(ppm)7.46-7.41(2H, m),6.87-6.82(2H, m), 5.55(1H, dd, J=20.6, 7.4Hz), 3.80(3H,s), 3.47 (1H, ddd, J=16.5, 11.7, 8.7 Hz), 3.33 (1H, td, J=15.6, 8.7Hz)。
13C NMR(75.45Hz,CDCl3):δ(ppm)128.7 (D, J=5.0Hz), 118.0 (t, J=246.9Hz), 114.3, 55.3, 27.9 (dd, J=27.8, 24.7Hz), 0.6 (dd, J=32.3, 31.1Hz)。
19F NMR(282Hz, CDCl3):δ(ppm)-87.33--88.32(1F, m),-94.41--95.41 (1F, m)。
IR(CHCl3):3029, 2959, 2902, 2837, 1609, 1513, 1285, 1179, 1138, 1007cm-1。
元素分析:計算値C10H10F2I2O:C,27.42;H,2.30、実測値:C,27.70;H,2.34。
1H NMR(300MHz, CDCl3):δ(ppm)7.31(2H, d, J=8.4Hz),6.92(2H, d, J=8.4Hz),4.56(1H, dd, J=12.9, 6.9Hz),3.81 (3H, s),3.63 (1H, dt, J=21.9, 11.7Hz), 3.46-3.28(1H, m),3.34(3H,s)。
13C NMR(75.45Hz,CDCl3):δ(ppm)160.1, 129.4, 125.5, 118.7 (t, J=246.9Hz), 113.8, 81.9 (t, J=27.3Hz), 57.7, 55.2, 2.0 (t, J=28.4Hz)。
19F NMR(282Hz, CDCl3):δ(ppm)-102.35 --103.33 (1F, m), -105.91 --106.83 (1F, m)。
IR(CHCl3):3006, 2936, 2837, 1612, 1514, 1464, 1253, 1174, 1083, 1017cm-1。HRMS(FAB):計算値[C11H13F2IO2]-:341.9928、実測値:341.9972。
1H NMR(300MHz, CDCl3):δ(ppm)7.34-7.26(2H, m), 6.95-6.90(2H, m),4.75(1H, dd,J=12.3, 7.5Hz),3.82(3H, s),3.80-3.72(2H, m),3.68-3.51(3H, m),3.38(1H,ddd,J=18.6,11.7, 6.9Hz)。
13C NMR(75.45Hz,CDCl3):δ(ppm)160.1, 129.3, 125.6, 118.6 (t, J=245.0Hz), 113.9, 80.7 (dd, J=29.8, 27.3Hz), 71.3, 61.6, 55.2, 1.9 (t, J=29.2Hz)。
19F NMR(282Hz, CDCl3):δ(ppm)-102.97 (1F, dddd, J=248.7, 20.3, 11.3, 6.8Hz), -105.77(1F, dddd, J=248.7, 18.1, 11.3, 6.8Hz)。
IR(CHCl3):2935, 2881, 2834, 1613, 1515, 1462, 1253, 1174, 1123, 1013cm-1。
HRMS(FAB):計算値[C12H16F2IO3]+:373.0107、実測値:373.0129。
1H NMR(300MHz, CDCl3):δ(ppm)7.34-7.24(7H, m), 6.86 (2H, d, J=8.7 Hz),4.16(1H, t, J=13.8Hz), 3.81(3H, s), 3.78(1H, d, J=13.2Hz), 3.57(1H, d, J=13.2Hz), 3.51(1H, ddd, J=25.8, 12.0, 11.7Hz), 3.33(1H, ddd, J=16.8, 12.9, 11.7Hz)。
13C NMR(75.45Hz,CDCl3):δ(ppm)159.5, 136.8, 130.4, 129.1, 128.5, 127.3, 126.8 (dd, J=3.1, 1.9 Hz),120.2(t, J=246.9Hz),114.0, 55.2, 51.4(t, J=25.4Hz), 36.2, 3.7(t, J=30.4Hz)。
19F NMR(282Hz, CDCl3):δ(ppm)-95.23 --96.24(1F, m),-96.26 --97.31(1F, m)。
IR(CHCl3):3011, 1611, 1512, 1254, 1216, 1179, 1077, 1034, 1002, 758cm-1。
HRMS(FAB):計算値[C17H18F2IOS]+:435.0086、実測値:435.0070。
1H NMR(300MHz, CDCl3):δ(ppm)7.34 (2H, d, J=8.7Hz), 6.88 (2H, d, J=8.7Hz), 4.31(1H, dd, J=14.4, 12.3Hz), 3.80 (3H, s), 3.66-3.53 (1H, m), 3.44-3.30 (1H, m), 2.08 (3H, s)。
13C NMR(75.45Hz,CDCl3):δ(ppm)159.5, 130.3, 126.7 (dd, J = 3.1, 1.2 Hz), 120.4 (t, J=246.9 Hz), 114.0, 55.2, 54.5 (t, J=25.1Hz), 15.8 (dd, J=1.8, 1.2Hz), 3.7 (t, J=30.7Hz)。
19F NMR(282Hz, CDCl3):δ(ppm)-95.29 --96.29 (1F, m), -96.72 --97.73(1F, m)。
IR(CHCl3):3019, 2924, 2839, 1611, 1513, 1254, 1216, 1179, 1004, 753cm-1。
HRMS(FAB):計算値[C11H13F2IOS]+:357.9700、実測値:375.9731。
1H NMR(300MHz, CDCl3):δ(ppm)6.90-6.86(2H, m), 4.38 (1H, t, J=13.5Hz), 3.80(3H, s), 3.62(1H, ddd, J=16.2, 12.6, 11.7Hz), 3.38(1H, ddd, J=16.2, 12.9, 11.4Hz), 2.50(2H, t, J=7.4 Hz), 1.58-1.48(2H, m), 1.32-1.24(12H, m), 0.88(3H, t, J=6.8Hz)。
13C NMR(75.45Hz,CDCl3):δ(ppm)159.5, 130.3, 127.3 (dd, J=2.5, 1.9Hz), 120.3(t, J=246.9Hz), 113.9, 55.2, 52.8(t, J=24.7Hz), 32.5, 31.8, 29.5, 29.4, 29.3, 29.1, 29.0, 28.6, 22.6, 14.1, 3.8(t, J=31.0Hz)。
19F NMR(282Hz, CDCl3):δ(ppm)-96.64--96.93 (2F, m)。
IR(CHCl3):3011, 2956, 2927, 2855, 1611, 1512, 1254, 1216, 1002, 756cm-1。
HRMS(FAB):計算値[C20H31F2IOS]+:484.1108、実測値:484.1074。
1H NMR(300MHz, CDCl3):δ(ppm)7.34 (2H, d, J=8.7Hz), 6.89-6.85(2H, m), 4.46(1H, t, J=13.5Hz), 3.81(3H, s), 3.64(1H, td, J=14.4, 11.3Hz), 3.40(1H, td, J=14.4, 11.4Hz), 2.70-2.61 (1H, m), 1.98-1.93(1H, m), 1.90-1.84(1H, m), 1.79-1.66(1H, m), 1.36-1.22(6H. m)。
13C NMR(75.45Hz,CDCl3):δ(ppm)159.4, 130.3, 128.0 (dd, J=2.5, 1.9Hz), 120.1 (t, J=246.9Hz), 113.9, 55.2, 51.0(t, J=25.5Hz), 44.0, 33.2 (d, J=2.5Hz), 25.7(d, J=6.7Hz), 25.6, 3.9 (t, J=31.0Hz)。
19F NMR(282Hz, CDCl3):δ(ppm)-96.53--96.68 (2F, m)。
IR(CHCl3):3006, 2932, 2854, 1611, 1512, 1253, 1179, 1035, 1000, 756cm-1。
HRMS(FAB):計算値[C20H31F2IOS]+:426.0326、実測値:426.0365。
1H NMR(300MHz, CDCl3):δ(ppm)7.35 (2H, d, J=8.7Hz), 6.90-6.86(2H, m), 4.47(1H, dd, J=14.7, 12.3Hz), 3.81(3H, s), 3.67(3H, s), 3.58(1H, ddd, J=17.4, 11.4, 10.8Hz), 3.35(1H, ddd, J=17.4, 12.3, 11.7Hz), 2.88-2.72(2H, m)。
13C NMR(75.45Hz,CDCl3):δ(ppm)171.8, 159.6, 130.2, 126.8(dd, J=3.1, 1.2Hz), 120.0 (t, J=246.9Hz), 114.0, 55.2, 53.1 (t, J=25.5Hz), 51.7, 34.2, 27.2, 3.5 (t, J=31.1Hz)。
19F NMR(282Hz, CDCl3):δ(ppm)-95.55--96.55(1F, m)-97.09--98.10(1F, m)。
IR(CHCl3):3026, 3008, 2954, 2839, 1736, 1611, 1512, 1255, 1179, 1003cm-1。
HRMS(FAB):計算値[C14H18F2IO3S]+:430.9984、実測値:431.0005。
Claims (4)
- 下記一般式(2)
下記一般式(1)
前記X1を導入するための試薬が、臭化物塩、ヨウ化物塩、ハロゲン化剤、ハロゲン単体、水、炭素数2~20のジスルフィド、炭素数1~10のチオール、無置換もしくは1個以上の置換基を有するチオフェノールまたはベンジルチオールであり、
前記X2を導入するための試薬が、臭化物塩、ヨウ化物塩、ハロゲン化剤またはハロゲン単体である、
方法。 - 前記一般式(2)
(式(2)中、R1及びR2はそれぞれ前記式(1)と同じである。)で表されるジフルオロシクロプロパン類を、溶剤中、ラジカル開始剤または酸化剤と、X1を導入するための試薬及びX2を導入するための試薬の存在下、開環させる、請求項2に記載の含フッ素化合物の製造方法。 - 溶剤がハロゲン化炭化水素、ニトリル化合物、ハロゲン化炭化水素、ニトリル化合物及びアルコール類からなる群より選ばれる少なくとも1種の溶剤または、これらのいずれかの溶剤と水との混合溶剤である、請求項2または請求項3に記載の含フッ素化合物の製造方法。
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Chambers, R. D. et al.,Free-radical chemistry Part XII: Radical reactions of trifluoroethene,Journal of Fluorine Chemistry,2000年,106(1),pp. 53-67 |
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Fikar, Jiri et al.,Radical addition of 2-propanol to trifluoroethylene. Preparation of trifluoroethylene oligomers from chlorotrifluoroethylene oligomers,Collection of Czechoslovak Chemical Communications,1996年,61(8),pp. 1215-1222 |
Henne, Albert L. et al.,The Synthesis and Directed Chlorination of 2,2-Difluorobutane,Journal of the American Chemical Society,1945年,67,pp. 1194-1197 |
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