CN1263084A - 1-三氟甲基-2-烷基乙烯基苯胺衍生物及其合成 - Google Patents
1-三氟甲基-2-烷基乙烯基苯胺衍生物及其合成 Download PDFInfo
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Abstract
本发明涉及1-三氟甲基-2-烷基乙烯基苯胺衍生物及其合成,1-三氟甲基-2-烷基乙烯基苯胺衍生物是一种具有生物活性的化合物,其是以含有取代基的苯胺为原料,通过氨基的酰化、溴化、硼酸化、交叉偶联以及酸化反应制得。其中交叉偶联反应是以芳胺硼酸或含有取代基的芳胺硼酸与2-卤代-1-三氟甲基-2-烯烃化合物或1,2-二卤代-1-三氟甲基烷烃,在无机碱存在下,经无机过渡金属化合物催化反应制得。该衍生物可开发为新型农药和医药;该方法不仅反应简便,原料易得,而且适宜于工业化生产。
Description
本发明涉及一种含氟不饱和基团的芳香胺化合物及其合成,即1-三氟甲基-2-烷基乙烯基苯胺衍生物及其合成。
1-三氟甲基-2-烷基乙烯基苯胺衍生物是一类全新化合物,由于三氟甲基在医药、农药及生物活性分子中的特殊应用,更拓宽了这类化合物的应用前景。尤其是4氯-2-(1-三氟甲基乙烯基)苯胺,可作为合成抗艾滋病药物SUSTIVA的重要前体。但文献J.Org.Chem.,1998,63,8536~8543公开了用丁基锂制备的SUSTIVA的合成方法,故反应条件需要无水、无氧和低温操作且危险性大。因此寻找活性更高的1-三氟甲基-2-烷基乙烯基苯胺衍生物以及反应条件温和的合成方法一直是人们探求的目标,我们在研制1-三氟甲基-2-烷基乙烯基苯胺衍生物工艺过程中,不仅合成了大量高活性的的1-三氟甲基-2-烷基乙烯基苯胺衍生物,而且发现了合成此类化合物的方法。
本发明的目的就是提供1-三氟甲基-2-烷基乙烯基苯胺衍生物,其分子式为:
其中:R=CnH2n+1,n=0~5,R1=H、F、Cl、Br。
本发明的另一目的就是提供了相应的合成1-三氟甲基-2-烷基乙烯基苯胺衍生物的方法,即以苯胺或含有取代基的苯胺为原料,通过氨基的酰化保护后,溴化得含有取代基的2-溴苯胺、再与金属试剂和硼酸三丁酯(BuO)3B反应硼酸化得芳胺硼酸或含有取代基的芳胺硼酸,再在一定温度条件下,由芳胺硼酸或含有取代基的芳胺硼酸与2-卤代-1-三氟甲基-2-烯烃化合物
或1,2-二卤代-1-三氟甲基烷烃
在无机碱存在下,经无机过渡金属化合物催化反应制得。即反应式如下:
其中
R1=H、F、Cl、Br;R=CnH2n+1,n=0~5;P=CmH2m+1CO、m=0~3。
1:氨基酰化;
2:溴化;
3:硼酸化-Mg/(BuO)3B;
4:交叉偶联反应-无机过渡金属化合物/
或
/碱;
5:H+酸化脱保护。
本发明提供的合成方法中,氨基酰化、溴化、硼酸化和酸化都为通用实验反应,其关键在于第四步交叉偶联反应,即在一定温度和有机溶剂的条件下,由芳胺硼酸或含有取代基的芳胺硼酸与2-卤代-1-三氟甲基-2-烯烃化合物
或1,2-二卤代-1-三氟甲基烷烃
在无机碱存在下,经无机过渡金属化合物催化反应。其中反应温度为室温至80℃,有机溶剂为苯、甲苯、二甲苯、N,N’-二甲基甲酰胺以及上述溶剂的混合溶剂,优选为苯、甲苯、二甲苯与N,N’-二甲基甲酰胺的混合溶剂;无机碱是NaOH、KOH、Na2CO3、K2CO3、NaHCO3、KHCO3、NaAc、KAc等;无机过渡金属化合物选用PdCl2(PPh3)2、Pd(PPh3)4、NiCl2(PPh3)2;
和
中X=Cl、Br,R=CnH2n+1,n=0~5;反应时间为0.5至24小时。
本发明与现有的技术相比,不仅具有生物活性,而且克服了用丁基锂反应需要无水、无氧、低温操作,这一方法具有反应条件温和、操作方便以及易工业化等优点。
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
2-[2-(3,3,3-三氟-1-丙烯基)]-4-氯苯胺的合成制备
1、氨基酰化:2升三颈瓶配置温度计、机械搅拌器和滴液漏斗,然后加入1.0mol对氯苯胺、1000毫升甲苯和170毫升饱和碳酸钠溶液,冰水冷却至10℃以下,控制内温为5~10℃条件下,滴入1.0mol特戊酰氯,加毕后,保温5~10℃约60分钟。TLC检测原料反应完毕,减压抽滤,分别用140毫升10%甲醇水溶液洗涤两次。真空干燥,得白色固体N-叔戊酰基-4-氯苯胺207克,收率为98%。
2、溴化:1升三颈瓶中加入0.5molN-叔戊酰基-4-氯苯胺和250毫升DMF,冰水冷却至-5℃以下,控制内温为-10~-5℃条件下,滴入0.25mol二溴海因,滴加后继续反应,TLC检测原料反应完毕。得固体N-叔戊酰基-2-溴-4-氯苯胺128.6克,收率为89%。
3、硼酸化:1升三颈瓶中加入0.13mol镁屑、200毫升THF和0.01molN-叔戊酰基-2-溴-4-氯苯胺,引发反应后,滴加由0.09molN-叔戊酰基-2-溴-4-氯苯胺、0.11mol硼酸三丁酯和50毫升甲苯组成的混合液,控制内温为35~45℃条件下,加毕后,保温反应约60分钟。TLC检测原料反应完毕,倒入100毫升25%硫酸中,减压抽滤,得固体2-特戊酰氨基-5-氯苯硼酸23.7克,收率为93%。
4、交叉偶联反应:500毫升三颈瓶中,加入0.27mol2-溴-3,3,3-三氟丙烯、9.0mmol四(三苯基磷)钯、0.09mol2-特戊酰氨基-5-氯苯硼酸、500mlN,N’-二甲基甲酰胺和苯的混合溶液。油温加热至80℃,滴加入18毫升2M碳酸钠水溶液,约20小时,冷却至室温,分离,水洗,过滤。合并油层,用无水硫酸钠干燥,浓缩,得棕色液体固体,所得粗品再用石油醚重结晶,得到19.3克N-特戊基-2-[2-(3,3,3-三氟-1-丙烯基)]-4-氯苯胺,熔点为73.0~74.5℃,收率70%。
IRv(cm-1)3322(N-H),2976,1650(C=O),1502,1169,1126,1670(CF3)
1H NMR(CDCl3)δ1.26(s,9H),5.72(s,1H),6.30(s,1H),7.20(s,1H),7.37(d,1H,J=8.9Hz),7.43(brs,1H),8.20(d,1H,J=8.9Hz)ppm
19F NMR(TFA)δ-11.0(s,CF3)ppm
MS(70eV),m/e(relative intensity)305(M+)
5、酸化脱保护:250毫升三颈瓶中加入0.05mol N-特戊基-2-[2-(3,3,3-三氟-1-丙烯基)]-4-氯苯胺和100毫升浓盐酸,控制内温为65~70℃条件下,保温反应约2小时。TLC检测原料反应完毕,冷至室温,减压抽滤,得固体2-[2-(3,3,3-三氟-1-丙烯基)]-4-氯苯胺盐酸盐12.8克。
500毫升三颈瓶中加入0.1mol乙酸钠、100毫升水和150毫升乙酸乙酯,将固体2-[2-(3,3,3-三氟-1-丙烯基)]-4-氯苯胺盐酸盐分批加入,搅拌至固体溶解,调节PH为4.0~6.0,分离有机层,萃取水层,有机层干燥,浓缩得固体2-[2-(3,3,3-三氟-1-丙烯基)]-4-氯苯胺10.2克,收率为92%
实施例2
反应步骤中1、2、3、5反应条件同实施例1,所不同的是起始物和第四步反应条件,具体数据见下表:
化合物1
化合物序号 | R1 | 1-三氟甲基烯基 | 第四步反应条件 | 收率(%) | |
取代位置 | R | ||||
1 | 4-Cl | 2- | H | Pd(PPh3)4、苯/DMF、Na2CO3、65℃2-溴-3,3,3-三氟丙烯 | 70 |
2 | 3-Cl | 2- | H | NiCl2(PPh3)2、苯、KOH、70℃1,2-二溴-1-三氟甲基乙烷 | 61 |
3 | 5-Cl | 2- | H | PdCl2(PPh3)2、苯/DMF、NaOH、65℃2-氯-3,3,3-三氟乙烯 | 60 |
4 | 6-Cl | 2- | H | Pd(PPh3)4、苯/DMF、Na2CO3、65℃1,2-二氯-1-三氟甲基乙烷 | 51 |
5 | 4-F | 2- | H | Pd(PPh3)4、苯/DMF、KOH、65℃2-氯-3,3,3-三氟丙烯 | 66 |
6 | 3-F | 2- | H | Pd(PPh3)4、苯/DMF、KOH、65℃2-氯-3,3,3-三氟丙烯 | 69 |
7 | 5-F | 2- | H | Pd(PPh3)4、苯/DMF、KOH、65℃2-氯-3,3,3-三氟丙烯 | 60 |
8 | 6-F | 2- | H | Pd(PPh3)4、苯/DMF、KOH、65℃2-溴-3,3,3-三氟丙烯 | 65 |
9 | 4-Cl | 3- | H | Pd(PPh3)4、苯/DMF、KOH、65℃2-溴-3,3,3-三氟丙烯 | 53 |
10 | 5-Cl | 3- | H | Pd(PPh3)4、苯/DMF、NaOH、65℃2-溴-3,3,3-三氟丙烯 | 59 |
11 | 4-F | 3- | H | Pd(PPh3)4、苯/DMF、KOH、65℃2-溴-3,3,3-三氟丙烯 | 69 |
12 | 5-F | 3- | H | Pd(PPh3)4、苯/DMF、KOH、65℃2溴-3,3,3-三氟丙烯 | 56 |
13 | 2-Cl | 4- | H | Pd(PPh3)4、苯/DMF、KOH、65℃2-溴-3,3,3-三氟丙烯 | 68 |
14 | 3-Cl | 4- | H | Pd(PPh3)4、苯/DMF、KOH、65℃2-溴-3,3,3-三氟丙烯 | 62 |
15 | 2-Br | 4- | H | Pd(PPh3)4、苯/DMF、KOH、65℃2-溴-3,3,3-三氟丙烯 | 65 |
16 | 3-Br | 4- | H | Pd(PPh3)4、苯/DMF、KOH、65℃2-溴-3,3,3-三氟丙烯 | 59 |
17 | 4-Cl | 2- | Me | Pd(PPh3)4、甲苯/DMF、K2CO3、70℃1-溴-1-三氟甲基-1-乙烯 | 54 |
18 | 4-F | 2- | Me | Pd(PPh3)4、甲苯/DMF、K2CO3、70℃1-溴-1-三氟甲基-1-乙烯 | 56 |
19 | H | 2- | H | Pd(PPh3)4、苯/DMF、KOH、60℃2-溴-3,3,3-三氟丙烯 | 73 |
20 | H | 3- | H | Pd(PPh3)4、苯/DMF、KOH、60℃2-溴-3,3,3-三氟丙烯 | 68 |
21 | H | 4- | H | Pd(PPh3)4、苯/DMF、KOH、60℃2-溴-3,3,3-三氟丙烯 | 66 |
22 | H | 2- | Me | Pd(PPh3)4、甲苯/DMF、K2CO3、70℃1-溴-1-三氟甲基-1-乙烯 | 69 |
23 | H | 2- | C2H5 | Pd(PPh3)4、甲苯/DMF、K2CO3、75℃1-溴-1-三氟甲基-1-丙烯 | 58 |
24 | H | 2- | C3H7 | Pd(PPh3)4、甲苯/DMF、K2CO3、75℃1-溴-1-三氟甲基-1-丁烯 | 53 |
25 | H | 2- | C4H11 | Pd(PPh3)4、甲苯/DMF、K2CO3、80℃1-溴-1-三氟甲基-1-戊烯 | 55 |
26 | H | 2- | C5H13 | Pd(PPh3)4、甲苯/DMF、K2CO3、80℃1-溴-1-三氟甲基-1-己烯 | 49 |
IR,cm-1:3310,3300,2970,1500,1116,1666
1HNMR,δ:5.09(s,2H),5.81(s,1H),6.13(s,1H),6.66(d,1H,J=8.6Hz),7.12(d,1H,J=8.6Hz),7.56(s,1H)
19FNMR(TFA),δ:-10.7
MS,m/e:221(M+)
C9H7ClF3N 计算值C 48.78,H 3.18,N 6.32221.61 实测值C,48.49,H 2.98,N 6.00化合物2IR,cm-1:3319,3305,2980,1511,1109,16001HNMR,δ:5.07(s,2H),5.90(s,1H),6.20(s,1H),6.27(m,1H),7.03
(m,1H),7.09(m,1H)19FNMR(TFA),δ:-10.0MS,m/e:221(M+)C9H7ClF3N 计算值C 48.78,H 3.18,N 6.32221.61 实测值C,48.99,H 2.82,N 6.50化合物3IR,cm-1:3322,3309,2985,1500,1107,16081HNMR,δ:5.07(s,2H),5.81(s,1H),6.13(s,1H),6.89(s,1H),7.16
(d,1H,J=8.4Hz),7.81(d,1H,J=8.4Hz)19FNMR(TFA),δ:-10.6MS,m/e:221(M+)C9H7ClF3N 计算值C 48.78,H 3.18,N 6.32221.61 实测值C,49.00,H 3.31,N 6.30化合物4IR,cm-1:3319,3304,2900,1499,1121,16701HNMR,δ:5.81(s,1H),5.99(s,2H),6.13(s,1H),7.15(s,1H),7.26
(m,1H),7.84(s,1H)19FNMR(TFA),δ:-10.1MS,m/e:221(M+)C9H7ClF3N 计算值C 48.78,H 3.18,N 6.32221.61 实测值C,48.65,H 2.89,N 6.59化合物5IR,cm-1:3325,3321,2898,1508,1109,16091HNMR,δ:5.09(s,2H),5.81(s,1H),6.13(s,1H),6.36(m,1H),6.83
(m,1H),7.27(m,1H)19FNMR(TFA),δ:+5.6,-10.6MS,m/e:205(M+)C9H7F4N 计算值C 52.69,H 3.44,N 6.83205.15 实测值C 52.81,H 3.32,N 6.91化合物6IR,cm-1:3327,3315,2968,1489,1099,10881HNMR,δ:5.41(s,2H),5.87(s,1H),6.31(m,1H),6.34(m,1H),7.03
(m,2H),19FNMR(TFA),δ:+5.0,-10.9MS,m/e:205(M+)C9H7F4N 计算值C 52.69,H 3.44,N 6.83205.15 实测值C 52.66,H 3.60,N 6.62化合物7IR,cm-1:3330,3310,2955,1467,1077,10681HNMR,δ:5.41(s,2H),5.81(s,1H),6.13(s,1H),6.32(m,1H),7.18
(m,1H),7.73(m,1H)19FNMR(TFA),δ:+5.5,-10.7MS,m/e:205(M+)C9H7F4N 计算值C 52.69,H 3.44,N 6.83205.15 实测值C 52.52,H 3.50,N 6.89化合物8IR,cm-1:3328,3320,2842,1435,1088,10561HNMR,δ:5.15(s,2H),5.81(s,1H),6.13(s,1H),6.90-6.96(m,2H),
7.55(s,1H)19FNMR(TFA),δ:+6.1,-11.0MS,m/e:205(M+)C9H7F4N 计算值C 52.69,H 3.44,N 6.83205.15 实测值C 52.51,H 3.65,N 7.00化合物9IR,cm-1:3320,3310,2851,1428,1069,10551HNMR,δ:3.80(s,2H),5.90(s,1H),6.18(s,1H),6.38(d,1h,
J=8.6Hz),6.84(s,1H),7.11(d,1H,J=8.6Hz)19FNMR(TFA),δ:-11.1MS,m/e:221(M+)C9H7ClF3N 计算值C 48.78,H 3.18,N 6.32221.61 实测值C 48.81,H 3.01,N 6.09化合物10IR,cm-1:3338,3328,2988,1458,1168,11251HNMR,δ:3.78(s,2H),5.81(s,1H),6.12(s,1H),6.67(s,1H),6.96
(s,1H),7.01(s,1H)19FNMR(TFA),δ:-10.5MS,m/e:221(M+)C9H7ClF3N 计算值C 48.78,H 3.18,N 6.32221.61 实测值C 48.51,H 3.31,N 6.51化合物11IR,cm-1:3329,3319,2987,1463,1162,11091HNMR,δ:3.30(s,2H),5.87(s,1H),6.32(s,1H),6.39(s,1H),6.48
(s,1H),6.97(m,1H)19FNMR,δ:+6.2,-11.5MS,m/e:205(M+)C9H7F4N 计算值C 52.69,H 3.44,N 6.83205.15 实测值C 52.90,H 3.26,N 6.76化合物12IR,cm-1:3339,3327,2988,1457,1198,11081HNMR,δ:4.13(s,2H),5.81(s,1H),6.12(s,1H),6.22(m,1H),6.70
(s,1H),7.05(m,1H)19FNMR(TFA),δ:+6.3,-11.0MS,m/e:205(M+)C9H7F4N 计算值C 52.69,H 3.44,N 6.83205.15 实测值C 52.57,H 3.59,N 6.59化合物13IR,cm-1:3328,3320,2975,1462,1163,11191HNMR,δ:3.75(s,2H),5.81(s,1H),6.12(s,1H),6.61(m,1H),7.48
(m,1H),7.53(s,1H)19FNMR(TFA),δ:-10.5MS,m/e:221(M+)C9H7ClF3N 计算值C 48.78,H 3.18,N 6.32221.61 实测值C 48.90,H 3.11,N 6.48化合物14IR,cm-1:3320,3312,2968,1468,1129,11031HNMR,δ:4.23(s,2H),5.90(s,1H),6.18(s,1H),6.46(m,1H),7.15
(s,1H),7.45(m,1H)19FNMR(TFA),δ:-10.1MS,m/e:221(M+)C9H7ClF3N 计算值C 48.78,H 3.18,N 6.32221.61 实测值C 48.89,H 3.40,N 6.21化合物15IR,cm-1:3328.3319,2941,1439,1125,11091HNMR,δ:3.76(s,2H),5.81(s,1H),6.12(s,1H),6.66(m,1H),7.51
(m,1H)19FNMR(TFA),δ:-10.8MS,m/e:266(M+)C9H7BrF3N 计算值C 40.63,H 2.65,N 5.26266.06 实测值C 40.39,H 2.59,N 5.00化合物16IR,cm-1:3321,3312,2921,1439,1108,11001HNMR,δ:4.25(s,2H),5.82(s,1H),6.15(s,1H),6.61(m,1H),7.07
(s,1H),7.30(m,1H)19FNMR(TFA),δ:-10.2MS,m/e:266(M+)C9H7BrF3N 计算值C 40.63,H 2.65,N 5.26266.06 实测值C 40.81,H 2.87,N 5.19化合物17IR,cm-1:3329,3320,2900,1429,1128,11091HNMR,δ:1.84(m,3H),5.09(s,1H),6.29(m,1H),6.63(m,1H),7.13
(m,1H),7.55(m,1H)19FNMR(TFA),δ:-11.3MS,m/e:235(M+)C10H9ClF3N 计算值C 50.97,H 3.85,N 5.94235.64 实测值C 51.16,H 3.62,N 6.09化合物18IR,cm-1:3329,3321,2900,1439,1128,11201HNMR,δ:1.84(m,3H),5.09(s,2H),6.29-6.33(m,2H),6.83(m,1H),
7.25(m,1H)19FNMR(TFA),δ:+6.5,-11.2MS,m/e:219(M+)C10H9F4N 计算值C 54.80,H 4.14,N 6.39219.18 实测值C 55.01,H 4.28,N 6.60化合物19IR,cm-1:3325,3316,2944,1452,1125,11091HNMR,δ:5.09(s,2H),5.81(s,1H),6.13(s,1H),6.51(m,1H),7.03
(m,1H),7.24(m,1H),7.75(m,1H)19FNMR(TFA),δ:-10.5MS,m/e:187(M+)C9H8F3N 计算值C 57.76,H 4.31,N 7.48187.16 实测值C 57.89,H 4.56,N 7.66化合物20IR,cm-1:3328,3319,2935,1439,1124,11071HNMR,δ:4.27(s,2H),5.81(s,1H),6.12(s,1H),6.48(s,1H),6.91
(s,1H),7.11(s,1H),7.21(m,1H)19FNMR(TFA),δ:-10.2MS,m/e:187(M+)C9H8F3N 计算值C 57.76,H 4.31,N 7.48187.16 实测值C 57.91,H 4.41,N 7.29化合物21IR,cm-1:3321,3309,2930,1435,1120,11021HNMR,δ:4.42(s,2H),5.81(s,1H),6.12(s,1H),6.64(m,2H),7.40
(m,2H)19FNMR(TFA),δ:-11.0MS,m/e:187(M+)C9H8F3N 计算值C 57.76,H 4.31,N 7.48187.16 实测值C 57.49,H 4.22,N 7.39化合物22IR,cm-1:3336,3326,2928,1438,1108,11061HNMR,δ:1.84(m,3H),5.09(s,2H),6.29(1H),6.48(m,1H),7.03
(m,1H),7.21(m,1H),7.74(m,1H)19FNMR(TFA),δ:-10.8MS,m/e:201(M+)C10H10F3N 计算值C 59.70,H 5.01,N 6.96201.19 实测值C 49.89,H 5.32,N 7.15化合物23IR,cm-1:3340,3330,2920,1445,1118,11151HNMR,δ:0.97(t,3H,J=7.5Hz),2.29(dd,2H,J=7.5Hz),5.09(s,2H),
6.47(m,1H),7.01(m,1H),7.19(m,1H),7.66(m,1H)19FNMR(TFA),δ:-11.8MS,m/e:215(M+)C11H12F3N 计算值C 61.39,H 5.62,N 6.51215.22 实测值C 61.59,H 5.60,N 6.35化合物24IR,cm-1:3338,3321,2926,1430,1100,10061HNMR,δ:0.90(t,3H),1.49(m,2H),2.25(m,2H),5.09(s,2H),
6.39-6.51(m,2H),7.05(m,1H),7.23(m,1H),7.81(m,1H)19FNMR(TFA),δ:-11.6MS,m/e:229(M+)C12H14F3N 计算值C 62.87,H 6.16,N 6.11229.24 实测值C 62.89,H 6.30,N 6.15化合物25IR,cm-1:3342,3336,2931,1439,1119,11091HNMR,δ:0.80(t,3H),1.28(m,1H),2.35(m,1H),5.09(s,2H),
6.43-6.52(m,2H),7.01(m,1H),7.24(m,1H),7.71(m,1H)19FNMR(TFA),δ:-10.0MS,m/e:243(M+)C13H16F3N 计算值C 64.18,H 6.63,N 5.76243.27 实测值C 64.29,H 6.60,N 7.55化合物26IR,cm-1:3339,3328,2919,1441,1120,11181HNMR,δ:0.84(m,3H),1.21-1.31(m,6H),2.28(m,2H),5.09(s,2H),
6.33(s,1H),6.50-7.01(m,2H),7.21(m,1H),7.73(m,1H)19FNMR(TFA),δ:-10.9MS,m/e:257(M+)C14H18F3N 计算值C 65.35,H 7.05,N 5.44257.30 实测值C 65.21,H 6.98,N 5.31
Claims (6)
4、如权利要求2或3所述的合成1-三氟甲基-2-烷基乙烯基苯胺衍生物的方法,其特征在于反应温度为室温至80℃;有机溶剂为苯、甲苯、二甲苯、N,N’-二甲基甲酰胺以及上述溶剂的混合溶剂;无机碱是NaOH、KOH、Na2CO3、K2CO3、NaHCO3、KHCO3、NaAc、KAc等;无机过渡金属化合物选用PdCl2(PPh3)2、Pd(PPh3)4、NiCl2(PPh3)2;反应时间为0.5至24小时。
5、如权利要求4所述的合成1-三氟甲基-2-烷基乙烯基苯胺衍生物的方法,其特征在于
和
中X=Cl、Br,R=CnH2n+1,n=0~5。
6、如权利要求4所述的合成1-三氟甲基-2-烷基乙烯基苯胺衍生物的方法,其特征在于有机溶剂为苯、甲苯、二甲苯和N,N’-二甲基甲酰胺的混合溶剂。
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1093542C (zh) * | 2000-10-25 | 2002-10-30 | 中国科学院上海有机化学研究所 | (1-三氟甲基)烯基硼酸的制备及其应用 |
CN1293084C (zh) * | 2004-06-25 | 2007-01-03 | 大连理工大学 | 二苯基膦乙酸钯催化交叉偶联合成液晶化合物的方法 |
WO2008012027A1 (en) * | 2006-07-24 | 2008-01-31 | Syngenta Participations Ag | Insecticidal compounds |
US7964758B2 (en) | 2006-02-13 | 2011-06-21 | Nissan Chemical Industries, Ltd. | Process for production of 2-(substituted phenyl)-3,3,3-trifluoropropene compound |
JP2012508782A (ja) * | 2008-11-17 | 2012-04-12 | ユニベルシテ ドゥ ニース ソフィア アンティポリ | 金属マグネシウムの存在下でボロン酸とボロン酸エステルを調製する方法 |
-
1999
- 1999-12-29 CN CN99127005A patent/CN1112347C/zh not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1093542C (zh) * | 2000-10-25 | 2002-10-30 | 中国科学院上海有机化学研究所 | (1-三氟甲基)烯基硼酸的制备及其应用 |
CN1293084C (zh) * | 2004-06-25 | 2007-01-03 | 大连理工大学 | 二苯基膦乙酸钯催化交叉偶联合成液晶化合物的方法 |
US7964758B2 (en) | 2006-02-13 | 2011-06-21 | Nissan Chemical Industries, Ltd. | Process for production of 2-(substituted phenyl)-3,3,3-trifluoropropene compound |
WO2008012027A1 (en) * | 2006-07-24 | 2008-01-31 | Syngenta Participations Ag | Insecticidal compounds |
JP2012508782A (ja) * | 2008-11-17 | 2012-04-12 | ユニベルシテ ドゥ ニース ソフィア アンティポリ | 金属マグネシウムの存在下でボロン酸とボロン酸エステルを調製する方法 |
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