:乙酸乙酯體積比= 4:1)。收集含有產(chǎn)物的洗脫液,蒸除 溶劑得到白色目標(biāo)產(chǎn)物lb,產(chǎn)量0.152g,收率52 %。
[0046] 熔點(diǎn):109-111。<3;111匪1?(4001取,〇)(:13)38.10((1,了 = 8.0!^,1!1),7.58(七(1,了1 = 7·6Hz,J2 = 1 · 2Hz,1H),7·52(dd,Ji = 8·0Hz,J2 = 1 · 2Hz,1H),7·44(td,Ji = 7·6Hz,J2 = 1.2Hz,lH),7.31(dd ,Ji = 7.6Hz j2 = 1.2Hz,lH),7.27(td ,Ji = 8.0Hz ,J2 = 1.6Hz,1H),7.14 (dd ,Ji = 7.6Hz ,J2 = 1.2Hz,1H) ,7.05(td ,Ji = 7.6Hz ,J2 = 1.2Hz , 1H), 5.94(s, 1H), 2.48(q, J = 7.6Hz,2H) ,2.37(q,J = 7.6Hz,2H) ,1.14(t,J = 7.6Hz,3H),1.06(t,J = 7.6Hz,3H);13C NMR(100MHz,CDC13)152.7,142.3,135.4,131.8,131.7,130.6,130.2,128.5,127.6,127.2, 127.0,124.1,119.6,24.3,24.1,14.8,13.5.
[0047] 實(shí)施例3
[0049]向50mL單口瓶中加入1,3-二對氯苯基硒脲(344mg,lmmol),離子液體負(fù)載的二醋 酸碘苯(843mg,1 · 5mmol)和疊氮化鈉(130mg,2mmol),加入甲苯(30mL)和H2〇(0 · lmL),再加 入K0H( 140mg,2.5mmo 1),80°C攪拌0. lh。TLC監(jiān)測反應(yīng)結(jié)束后,過濾,將濾液倒入飽和NaHC03 水溶液中,靜置分層,所得水層用乙酸乙酯萃取,合并有機(jī)層,用無水Na2S04干燥,濃縮后柱 層析分離(洗脫劑石油醚:乙酸乙酯體積比= 4:1)。收集含有產(chǎn)物的洗脫液,蒸除溶劑得到 白色目標(biāo)產(chǎn)物1〇,產(chǎn)量0.2178,收率71%。
[0050]熔點(diǎn):194-195°C;IR(KBr)vmax 3271,2920,1610,1570,1491,1410,1090,820; 4 NMR(400MHz,DMS0-d6)59.47(s,lH),7.72(s,4H),7.66(s,lH),7.64(s,lH),7.38(s,lH), 7.36(s,1H);13C NMR(100MHz,DMS0-d6)5l51.8,138.3,134.5,131.4,129.6,128.3,128.3, 127.4,127.4,125.5,125.5,119.5,119.5;ESI-HRMS:m/zcalcd for Ci3H8Cl2N5[M-H]-: 304.0162;found :304.0172.
[0051 ] 實(shí)施例4
[0053]向50mL單口瓶中加入1,3-二間甲苯基硒脲(303mg,lmmol),離子液體負(fù)載的二醋 酸碘苯(787mg,1.4mmol)和疊氮化鈉(65mg,1 .Ommol),加入乙腈(20mL)和H2〇(2.3mL),再加 入NaHC03(420mg,5mmo 1),0°C攪拌3h。TLC監(jiān)測反應(yīng)結(jié)束后,過濾,將濾液倒入飽和NaHC03水 溶液中,靜置分層,所得水層用二氯甲烷萃取,合并有機(jī)層,用無水Na 2S04干燥,濃縮后柱層 析分離(洗脫劑石油醚:乙酸乙酯體積比= 4:1)。收集含有產(chǎn)物的洗脫液,蒸除溶劑得到白 色目標(biāo)產(chǎn)物Id,產(chǎn)量0.130g,收率49%。
[0054] 熔點(diǎn):141-142°C;IR(KBr)vmax 3299,2962,1625,1598,1582,1538,1488,1462, 1087,784cm-S1!!匪R(400MHz,CDC13)δ7·54(?,J = 8.0Hz,lH),7.43((1, J = 8.4Hz,2H), 7·37-7.33(m,3H),7.29-7.24(m,lH),6.93(d,J=7.6Hz,lH),6.40(s,lH),2.52(s,3H), 2·40(s,3H) ;13C 匪R(100MHz,CDC13)S151.5,140.9,139.2,137.9,132.5,131.1,130.0, 129.0,125.3,124.1,121.5,118.7,115.3,21.5,21.4;ESI-HRMS:m/z calcd for CisHieNstM +H] +:266.1400;found:266.1393.
[0055] 實(shí)施例5
[0057] 向50mL單口瓶中加入1,3-二對甲氧基苯基硒脲(335mg,lmmol),離子液體負(fù)載的 二醋酸碘苯(73 lmg,1 · 3mmo 1)和疊氮化鈉(228mg,3 · 5mmo 1),加入DMF(15mL)和H20(0 · 5mL), 再加入Na2C03 (265mg,2.5mmo 1),15°C攪拌0.5h。TLC監(jiān)測反應(yīng)結(jié)束后,過濾,將濾液倒入飽和 NaHC03水溶液中,靜置分層,所得水層用乙酸乙酯萃取,合并有機(jī)層,用無水Na2S0 4干燥,濃 縮后柱層析分離(洗脫劑石油醚:乙酸乙酯體積比=4:1)。收集含有產(chǎn)物的洗脫液,蒸除溶 劑得到白色目標(biāo)產(chǎn)物I e,產(chǎn)量0.258g,收率87% (文獻(xiàn)70% Advanced Synthes is& Catalysis,2012,354,2757-2770)。
[0058] 熔點(diǎn) 158-160°C(文獻(xiàn) 153-154°C) ;IR(KBr)vmax 3263,3101,2958,1614,1579, 1509,1445,1254,1236,1032,838cm-1;4 NMR(400MHz,CDC13)S7.43-7.40(m,4H),7.08((1,J = 9.2Hz,2H),6.86(d,J = 8.8Hz,2H),6.15(s,lH),3.89(s,3H),3.79(s,3H) ;13C 匪R (100MHz,CDC13)S160.8,155.7,152.2,131.1,126.6,124.9,120.1,115·4,114·4,55·8, 55.6;ESI-HRMS:m/z calcd for Ci5Hi6N5〇2[M+H] +:298.1299;found:298.1293.
[0059] 實(shí)施例6
[0061 ] 向50mL單口瓶中加入1,3-二均三甲基苯基硒脲(359mg,lmmol),離子液體負(fù)載的 二醋酸碘苯(1124mg,2mmo 1)和疊氮化鈉(195mg,3mmo 1),加入N,N-二甲基乙酰胺(20mL)和 出0(1.811^),再加入1^0!1(721^,3111111〇1),-10°(3攪拌411。11(:監(jiān)測反應(yīng)結(jié)束后,過濾,將濾液倒 入飽和NaHC0 3水溶液中,靜置分層,所得水層用乙酸乙酯萃取,合并有機(jī)層,用無水Na2S〇4干 燥,濃縮后柱層析分離(洗脫劑石油醚:乙酸乙酯體積比=4:1)。收集含有產(chǎn)物的洗脫液,蒸 除溶劑得到白色目標(biāo)產(chǎn)物If,產(chǎn)量〇. 199g,收率62%。
[0062] 熔點(diǎn) 183-186°C;IR(KBr)vmax 3311,2921,1613,1581,1499,1097,864011^11^1^ (400MHz,CDC13)S7.06(s,2H),6.88(s,2H),5.22(s,lH),2.37(s,3H),2.26(s,3H),2.16(s, 6H),2.10(s,6H);13C 匪R(100MHz,CDC13)S153.7,141.2,137.2,136.3,135.0,131.4, 129.7,129.2,127.4,21.3,21.0,18.3,17.5;ESI-HRMS:m/z calcd for Ci9H24N5[M+H]+: 322.2026;found :322.2018.
[0063] 實(shí)施例7
[0065]向50mL單口瓶中加入1,3-二芐基硒脲(303mg,lmmol),離子液體負(fù)載的二醋酸碘 苯(618mg,1 · lmmol)和疊氣化納(163mg,2 · 5mmo 1),加入DMS0(5mL)和H2〇(0 · 3mL),再加入 Et3N(404mg,4mmol),5°C攪拌3h。TLC監(jiān)測反應(yīng)結(jié)束后,過濾,將濾液倒入飽和NaHC0 3水溶液 中,靜置分層,所得水層用二氯甲烷萃取,合并有機(jī)層,用無水Na2S04干燥,濃縮后柱層析分 離(洗脫劑石油醚:乙酸乙酯體積比= 4:1)。收集含有產(chǎn)物的洗脫液,蒸除溶劑得到白色目 標(biāo)產(chǎn)物Ig,產(chǎn)量172g,收率65%。
[0066]熔點(diǎn):170-171。(3(文獻(xiàn)170-171。〇;11?(1(8『)丫_ 3265,3117,3030,2959,2927, 1617,1496,1454,1413,1380,1356,1336,1278,1243,1108,1081,1057,1029,757,732, 700cm-S1!!匪R(400MHz,DMS0-d6)S7.60(s,lH) ,7.33-7 ·29(ι?,2H),7 ·27-7·21(ι?,5H), 7.19-7.15(m,3H) ,5.38(s,2H),4.45(d ,J = 5.6Hz,2H);13C NMR( 100MHz ,DMS〇-d6)5l55.2, 138.6.134.7.128.5.128.0. 127.8.127.2.126.9.126.8.47.6.46.7.
[0067] 實(shí)施例8
[0069] 向50mL單口瓶中加入1-正丁基-3-苯基硒脲(255mg,lmmol),離子液體負(fù)載的二醋 酸碘苯(562mg,lmmol)和疊氮化鈉(130mg,2mmol),加入DMF( 15mL)和H2〇( 1 · 5mL),再加入 Na2C03(106mg,lmmo 1),4Q°C攪拌Q · 3h。TLC監(jiān)測反應(yīng)結(jié)束后,過濾,將濾液倒入飽和NaHC037K 溶液中,靜置分層,所得水層用乙酸乙酯萃取,合并有機(jī)層,用無水Na2S04干燥,濃縮后柱層 析分離(洗脫劑石油醚:乙酸乙酯體積比= 4:1)。收集含有產(chǎn)物的洗脫液,蒸除溶劑得到白 色目標(biāo)產(chǎn)物Ih,產(chǎn)量0.195g,收率90% (文獻(xiàn)78% :Tetrahedron Letters,2013,54(1) ,101-105)。
[0070] 熔點(diǎn):96-99°C;IR(KBr)vmax 3383,3218,2956,1607,1499,1456,1086,769cm-1; 4 NMR(400MHz,αχη3)δ7· 56-7.43(m,5H),4· 53(s,1H),3.48-3.43(m,2H),1.66-1.59(m,2H), 1.4卜1.32(m,2H),0.92(t,J = 7.6Hz,3H);13C NMR(100MHz,CDC13)S154.7,133.3,130· 1, 129.6.123.8.44.5.31.8.20.0. 13.8.
[0071] 實(shí)施例9
[0073] 向50mL單口瓶中加入1-環(huán)己基-3-苯基硒脲(281mg,lmmol),離子液體負(fù)載的二醋 酸鵬苯(618mg,1 · lmmol)和疊氮化鈉