CN115197046B - 一种不饱和烃的卤化方法 - Google Patents

一种不饱和烃的卤化方法 Download PDF

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CN115197046B
CN115197046B CN202110397162.3A CN202110397162A CN115197046B CN 115197046 B CN115197046 B CN 115197046B CN 202110397162 A CN202110397162 A CN 202110397162A CN 115197046 B CN115197046 B CN 115197046B
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CN115197046A (zh
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祝诗发
孔毅
王永东
黄志鹏
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GENIFARM (GUANGZHOU) TECHNOLOGY Inc
Xinyuan Guangzhou Pharmaceutical Research Co ltd
South China University of Technology SCUT
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Xinyuan Guangzhou Pharmaceutical Research Co ltd
South China University of Technology SCUT
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Abstract

本发明提供了一种不饱和烃的卤化方法。所述卤化方法包括将不饱和烃化合物与N‑氧化物、卤源混合,得到卤化烯烃或烷烃。该方法无需采用单质卤素或卤素互化物作为卤源,而是采用廉价易得安全的卤源,能快速高效地对不饱和烃进行卤化,得到卤代烯烃或卤代烷烃。并且烯烃产物结构单一,均为反式结构,为不饱和烃的卤化提供了一条便捷的新途径。

Description

一种不饱和烃的卤化方法
技术领域
本发明涉及有机合成领域,更具体的,涉及一种不饱和烃的卤化方法。
背景技术
多卤化烯烃/烷烃是一类重要的有机合成中间体,后续可逐步进行偶联反应,将烯烃/烷烃修饰成不同的分子骨架。已广泛用于医药、农药、染料、香料、增塑剂、阻燃剂等及其中间体等行业,故其合成方法受到广泛关注。
目前已报道的多卤化烯烃/烷烃的合成方法有以下几种:
方法一:不饱和烃与卤素单质反应(Journal of Organometallic Chemistry,372(1989)183-186;J.Org.Chem.2003,68,10175-10177;Green Chemistry,2002,4,621–627;ChemistrySelect,2(32),10375-10378;2017)。
(X1X2=Cl2、Br2、I2、BrCl、ICl)
此方法的缺点是:使用的卤素单质不易取用,高毒并且具有腐蚀性。
方法二:不饱和烃与金属卤化物反应(CHEMISTRY LETTERS,pp.1357-1358,1979.;J.Chem.Soc.,Perkin Trans.1,1987,1017-1019;J.Am.Chem.Soc.2017,139,15548-15553)。
此方法的缺点是:需要使用当量的金属汞盐或碲盐。
方法三:不饱和烃与卤负原子在氧化剂条件下反应(Tetrahedron 55(1999)11127-11142,Synthesis 2014;46(02):251-257;SYNTHESIS 2014,46,0251–0257;GreenChem.,2015,17,3285–3289)。
此方法的缺点是:原料局限定较大;氧化卤化方法都只能对不饱和烃作相同卤素的卤化。
方法四:不饱和烃与NCS在三苯基膦催化下反应(Org.Biomol.Chem.,2013,11,1598-1601)
此方法的缺点是:只能对烯烃进行加成;只能进行二氯加成,无法实现其他二卤加成。
方法五:不饱和烃与氯化锂在四氟硼酸二吡啶碘鎓盐条件下反应(Synthesis,(3),270-2;1992)。
此方法的缺点在于:LiCl的用量大;四氟硼酸二吡啶碘鎓盐的价格昂贵;反应时间长达80小时。
综上所述,现有技术都有各种不同的缺点,或者原料受限,或者试剂昂贵,或者操作不便等等。
发明内容
本发明的目的是为了克服现有技术的不足,提供一种不饱和烃卤化的方法。该方法采用廉价易得安全的卤源,实现不饱和烃的快速高效卤化。
本发明上述目的通过如下技术方案予以实现:
一种不饱和烃的卤化方法,包括以下步骤:将式(Ⅰ)所示不饱和烃化合物与N-氧化物、卤源混合反应,得到式(Ⅱ)所示卤化烯烃或烷烃;
其中,所述卤源为第一卤源,选自氯源、溴源或碘源中的一种,且不为单质卤素或卤素互化物;R和R’可以相同或者不相同,独立选自氢、卤素、C1~C10直链或支链烷基、C6~C14芳基、C5~C12杂芳基、苯磺酰基、苯甲酰基或酯基,R和R’还可以通过C2~C10烷基链相连成环;X1为来自第一卤源的卤素;
所述R或R’上的任意一个或多个氢原子可以被取代基取代,各取代基独立选自C1~C6直链或支链烷基、C1~C6直链或支链烷氧基、C3~C10环烷基、卤素、氰基、硝基、三氟甲基、醛基、酯基或被保护的羟基。
优选地,所述R或R’独立选自氢、卤素、C1~C5直链或支链烷基、C6~C10芳基、C5~C10杂芳基、苯磺酰基、苯甲酰基或酯基、卤素;R和R’还可以通过C4~C8烷基链相连成环;
所述R或R’上的任意一个或多个氢原子可以被取代基取代,各取代基独立选自C1~C6直链或支链烷基、C1~C6直链或支链烷氧基、C3~C10环烷基、卤素、氰基、硝基、三氟甲基、醛基、酯基或被保护的羟基。
作为本发明的另一种不饱和烃的卤化方法,包括以下步骤:将式(Ⅲ)所示不饱和烃化合物与N-氧化物、卤源混合反应,得到式(Ⅳ)所示卤化烯烃或烷烃;
其中,所述卤源为第一卤源和第二卤源的混合卤源,第一卤源、第二卤源互不相同,各独立选自氯源、溴源或碘源中的一种,且不为单质卤素或卤素互化物,且第一卤源、第二卤源中至少一个是氯源;R独立选自C1~C10直链或支链烷基、C6~C14芳基、C5~C12杂芳基、苯磺酰基、苯甲酰基或酯基;不饱和键两侧的R还可以通过C2~C10烷基链相连成环;X1为来自第一卤源的卤素,X2为来自第二卤源的卤素;
所述R上的任意一个或多个氢原子可以被取代基取代,各取代基独立选自C1~C6直链或支链烷基、C1~C6直链或支链烷氧基、C3~C10环烷基、卤素、氰基、硝基、三氟甲基、醛基、酯基或被保护的羟基。
优选地,所述R独立选自C1~C5直链或支链烷基、C6~C10芳基、C5~C10杂芳基、苯磺酰基、苯甲酰基或酯基;不饱和键两侧的R还可以通过C4~C8烷基链相连成环;
所述R上的任意一个或多个氢原子可以被取代基取代,各取代基独立选自C1~C6直链或支链烷基、C1~C6直链或支链烷氧基、C3~C10环烷基、卤素、氰基、硝基、三氟甲基、醛基、酯基或被保护的羟基。。
作为本发明的另一种不饱和烃的卤化方法,包括以下步骤:将式(Ⅰ)所示不饱和烃化合物与N-氧化物、卤源混合反应,得到式(Ⅴ)所示卤化烯烃或烷烃;
其中,所述卤源为第一卤源和第二卤源的混合卤源,第一卤源选自氯源,第二卤源选自溴源或碘源,第一卤源和第二卤源均不为卤素或卤素互化物;X1为来自第一卤源的卤素,X2为来自第二卤源的卤素;
R选自C1~C10直链或支链烷基、C6~C14芳基、C5~C12杂芳基、苯磺酰基、苯甲酰基或酯基;
R’选自氢、卤素、C1~C10直链或支链烷基、C6~C14芳基、C5~C12杂芳基、苯磺酰基、苯甲酰基或酯基;
R与R’不相同,且当R选自C1~C10直链或支链烷基、苯磺酰基、苯甲酰基或酯基时,R’不为C6~C14芳基或C5~C12杂芳基;
所述R或R’上的任意一个或多个氢原子可以被取代基取代,各取代基独立选自C1~C6直链或支链烷基、C1~C6直链或支链烷氧基、C3~C10环烷基、卤素、氰基、硝基、三氟甲基、醛基、酯基或被保护的羟基。
优选地,所述R选自C1~C5直链或支链烷基、C6~C10芳基、C5~C10杂芳基、苯磺酰基、苯甲酰基或酯基;
所述R’选自氢、卤素、C1~C5直链或支链烷基、C6~C10芳基、C5~C10杂芳基、苯磺酰基、苯甲酰基或酯基;
所述R或R’上的任意一个或多个氢原子可以被取代基取代,各取代基独立选自C1~C6直链或支链烷基、C1~C6直链或支链烷氧基、C3~C10环烷基、卤素、氰基、硝基、三氟甲基、醛基、酯基或被保护的羟基。
取代基定义和一般术语
本发明使用的术语“烷基”,表示含有1至10个碳原子,饱和的直链、支链或环状的一价烃基基团。在一实施方案中,烷基基团含有1-10个碳原子;在另一实施方案中,烷基基团含有1-6个碳原子:在又ー实施方案中,烷基基团含有1-4个碳原子。所述的烷基基团可以独立地未被取代或被一个或多个本发明所描述的取代基所取代。
术语“烷氧基”表示烷基基团通过氧原子与分子其余部分相连,其中烷基基团具有如本发明所述的含义。
本发明使用的术语“芳基”,表示含有6-14个环原子,或6-12个环原子,或6-10个环原子的单环、双环和三环的碳环体系,其中,至少一个环体系是芳香族的,其中每一个环体系包含3-7个原子组成的环,且有一个或多个附着点与分子的其余部分相连。术语“芳基”可以和术语“芳香环”交换使用。芳基的实例可以包括苯基,茚基,萘基、菲和蔥等等。所述的烷基基团可以独立地未被取代或被一个或多个本发明所描述的取代基所取代。
术语“杂芳基”表示含有5-12个环原子,或5-10个环原子,或5-6个环原子的单环、双环和三环体系,其中至少一个环体系是芳香族的,且至少一个环体系包含一个或多个杂原子,其中每一个环体系包含5-7个原子组成的环,且有一个或多个附着点与分子其余部分相连。术语“杂芳基”可以与术语“杂芳环”或“杂芳族化合物”交换使用。杂芳基基团的实例包括,但并不限于,2-呋喃基,3-呋喃基,N-咪唑基,2-咪唑基4-咪唑基,5-咪唑基,3-异恶唑基,4-异恶唑基,5-异恶唑基,2-恶唑基,4-恶唑基,5-恶唑基,N-吡咯基,2-吡咯基,3-吡咯基,2-吡啶基,3-吡啶基,4-吡啶基,2-嘧啶基,4-嘧啶基,5-嘧啶基,等等。
术语“卤素”指氟、氯、溴、碘。
术语“酯基”指-C(=O)O-。所述的酯基基团可以与本发明所描述的取代基相连,形成对应的酯基取代基。酯基基团的实例包括,但并不限于,甲酯,乙酯,丙酯,丁酯,等等。
优选地,所述N-氧化物(N-oxide)优选为吡啶类N-氧化物、喹啉类N-氧化物、吗啉类N-氧化物或哌啶类N-氧化物。尽管机理还不是十分明确,我们初步认为N-氧化物在反应中起到还原剂的作用,当体系中不加入N-氧化物时,反应产率较低,且选择性不好,有较多的副产物。
本发明所述的N-氧化物可以是带有取代基,或者不带取代基的。
优选地,所述吡啶类N-氧化物选自吡啶-N-氧化物、4-硝基吡啶-N-氧化物、2-甲基-4-硝基吡啶-N-氧化物、3-甲基-4-硝基吡啶-N-氧化物、2-甲基吡啶-N-氧化物、4-甲基吡啶-N-氧化物或2,6-二氯吡啶-N-氧化物。
优选地,所述喹啉类N-氧化物选自喹啉-N-氧化物、2-甲基喹啉N-氧化物、6-甲氧基喹啉N-氧化物、5-硝基喹啉N-氧化物、5,6,7,8-四氢喹啉N-氧化物或4-溴喹啉N-氧化物。
优选地,吗啉类N-氧化物选自N-甲基吗啉-N-氧化物。
优选地,所述哌啶类N-氧化物选自2,2,6,6-四甲基哌啶氮氧自由基(TEMPO)、4-羟基-2,2,6,6-四甲基哌啶氮氧自由基(4-OH-TEMPO)、4-甲氧基-2,2,6,6-四甲基哌啶氮氧自由基(4-MeO-TEMPO)或4-羰基-2,2,6,6-四甲基哌啶氮氧自由基(4-Oxo-TEMPO)。
本发明中,所述卤源是指可以提供卤原子的化合物,包括氯源、溴源、碘源三类。
优选地,所述氯源选自N-氯代丁二酰亚胺(NCS),1,3-二氯-5,5-二甲基海因(DCDMH),1,3,5-三氯-1,3,5-三嗪-2,4,6-三酮(TCCA),N-氯邻苯二甲酰亚胺(NCP),N-氯代糖精(N-Chlorosaccharin)或次氯酸叔丁酯(t-Butyl Hypochlorite)。
所述溴源选自N-溴代丁二酰亚胺(NBS),1,3-二溴-5,5-二甲基海因(DBDMH),1,3,5-三溴-1,3,5-三嗪-2,4,6-三酮(TBCA),N-溴邻苯二甲酰亚胺(NSC3997)或N-溴代糖精(N-Bromosaccharin)。
所述碘源选自N-碘代丁二酰亚胺(NIS)、N-碘代糖精(N-Iodosaccharin)或1,3-二碘-5,5-二甲基海因(DIH)。
优选地,反应中不饱和烃、N-氧化物、卤源的摩尔比为1.0:(0.05~2.0):(1.0~3.0)。
当所述卤源为第一卤源与第二卤源的混合卤源时,优选第一卤源与第二卤源的摩尔比为1:1。
优选地,所述反应溶剂为极性溶剂。更优选地,所述反应溶剂更优选为二氯甲烷、1,2-二氯乙烷、乙腈、乙酸乙酯、四氢呋喃、1,4-二氧六环、甲苯、氯苯、三氟甲苯、甲醇、六氟异丙醇、二甲基亚砜、N,N-二甲基甲酰胺、丙酮、乙醚中的一种或多种。
更优选地,所述反应溶剂优选为乙腈、1,2-二氯乙烷或甲苯。
优选地,所述反应的温度优选为10~60℃。
更优选地,所述反应的温度优选为25~40℃。
优选地,所述反应的时间优选为12~48小时。
更优选地,所述反应的时间优选为12~24小时。
更具体地,作为发明可以制得的卤化烯烃或烷烃化合物,部分列举如下:
本发明的上述化合物的结构,可以通过合成后得到的产物的检测谱图与已知化合物的检测谱图对比确认。
本发明所述卤化方法制备得到的目标卤化烯烃或烷烃可以通过柱色谱法纯化从体系中分离得到。
与现有技术相比,本发明具有以下有益技术效果:
本发明提供一种新的不饱和烃卤化方法。该方法无需采用卤素作为卤源,而是采用廉价易得安全的卤源,能快速高效地对不饱和烃进行卤化,得到卤代烯烃或卤代烷烃。并且烯烃产物结构单一,均为反式结构,为不饱和烃的卤化提供了一条便捷的新途径。
具体实施方式
如无特殊说明,本发明所用原料、试剂及溶剂,均为商业购买未经任何处理或者可通过文献方法制得。为了更清楚地说明本发明,下面结合优选实施例对本发明做进一步的说明。本领域技术人员应当理解,下面所具体描述的内容是说明性的而非限制性的,不应以此限制本发明的保护范围。
实施例中,产率为柱色谱法分离产率,柱色谱分离未特殊说明均采用洗脱剂为石油醚。(实施例13和实施例61的洗脱剂为石油醚/乙酸乙酯=20/1)。
实施例1
合成(E)-(2-溴-1-氯-2-碘乙烯基)苯(1a)
在烧瓶中加入磁子,加入苯基溴乙炔(36.2mg,0.2mmol)、2,2,6,6-四甲基哌啶氮氧化物(6.3mg,0.04mmol)、N-碘代丁二酰亚胺(49.5mg,0.22mmol)、N-氯代丁二酰亚胺(29.3mg,0.22mmol)和1,2-二氯乙烷(1.0mL)在30℃下搅拌24小时,反应完全后旋除溶剂,用快速柱色谱法纯化,即可得到产物(E)-(2-溴-1-氯-2-碘乙烯基)苯(53.6mg,78%)。
1H NMR(400MHz,CDCl3)δ7.43(s,5H).13C NMR(101MHz,CDCl3)δ139.8,136.1,129.5,128.9,128.5,51.7.
实施例2
合成(E)-1-(2-溴-1-氯-2-碘乙烯基)-4-甲氧基苯(2a)
以4-甲氧基苯基溴乙炔代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-1-(2-溴-1-氯-2-碘乙烯基)-4-甲氧基苯(30.6mg,41%)。
1H NMR(500MHz,CDCl3)δ7.35(d,J=8.4Hz,2H),6.90(d,J=8.6Hz,2H),3.84(s,3H).
实施例3
合成(E)-1-(2-溴-1-氯-2-碘乙烯基)-4-乙基苯(3a)
以4-乙基苯基溴乙炔代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-1-(2-溴-1-氯-2-碘乙烯基)-4-乙基苯(61.7mg,83%)。
1H NMR(400MHz,CDCl3)δ7.36(dd,J=8.2,1.5Hz,2H),7.26(d,J=7.7Hz,2H),2.72(q,J=7.6Hz,2H),1.30(td,J=7.6,1.4Hz,3H).13C NMR(101MHz,CDCl3)δ145.96,136.97,136.30,128.85,128.01,51.39,28.75,15.22.IR(KBr)νmax 3734,3117,2966,2929,1640,1502,1450,1399,1218,1109,1018,831,791,680,573,533cm-1.HRMS(DART+)Calcd forC10H9BrClI(M)+369.8615,found:369.8612.
实施例4
合成(E)-1-(2-溴-1-氯-2-碘乙烯基)-4-叔丁基苯(4a)
以4-叔丁基苯基溴乙炔代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-1-(2-溴-1-氯-2-碘乙烯基)-4-乙基苯(69.5mg,87%)。
1H NMR(400MHz,CDCl3)δ7.42–7.36(m,2H),7.36–7.31(m,2H),1.33(s,9H).13CNMR(101MHz,CDCl3)δ152.8,136.6,136.3,128.6,125.4,51.2,34.9,31.2.IR(KBr)νmax3734,3117,2966,2929,1640,1502,1450,1399,1218,1109,1018,831,791,680,573,533cm-1.
实施例5
合成(E)-1-(2-溴-1-氯-2-碘乙烯基)-4-溴苯(5a)
以4-溴苯基溴乙炔代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-1-(2-溴-1-氯-2-碘乙烯基)-4-溴苯(65.9mg,78%)。
1H NMR(500MHz,CDCl3)δ7.54(d,J=8.1Hz,2H),7.28(d,J=8.2Hz,2H).13C NMR(126MHz,CDCl3)δ138.5,134.9,131.9,130.5,124.0,52.7.IR(KBr)νmax3086,1908,1708,1651,1575,1478,1389,1268,1211,1105,1069,1007,913,823,774,726,620,569,500cm- 1.HRMS(DART+)Calcd for C8H4Br2ClI(M)+419.7407,found:419.7404.
实施例6
合成(E)-1-(2-溴-1-氯-2-碘乙烯基)-4-氯苯(6a)
以4-氯苯基溴乙炔代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-1-(2-溴-1-氯-2-碘乙烯基)-4-氯苯(96mg,85%)。
1H NMR(400MHz,CDCl3)δ7.40–7.31(m,4H).13C NMR(101MHz,CDCl3)δ138.06,135.65,134.83,130.32,128.92,52.73.IR(KBr)νmax 2919,2364,1906,1579,1480,1361,1268,1213,1090,1013,826,776,732,626,567,506,441cm-1.HRMS(EI+)Calcd forC8H4BrCl2I(M)+375.7913,found:375.7909
实施例7
合成(E)-1-(2-溴-1-氯-2-碘乙烯基)-4-氟苯(7a)
以4-氟苯基溴乙炔代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-1-(2-溴-1-氯-2-碘乙烯基)-4-氟苯(62.2mg,86%)。
1H NMR(400MHz,CDCl3)δ7.42(ddd,J=9.4,5.1,1.9Hz,2H),7.11(td,J=8.7,2.0Hz,2H).13C NMR(101MHz,CDCl3)δ164.3,161.8,135.7,135.7,135.1,131.1,131.0,115.9,115.7,52.6.19F NMR(376MHz,CDCl3)δ-110.00.IR(KBr)νmax 2924,2360,1596,1502,1287,1231,1158,1094,1018,950,831,762,725,684,633,538,445cm-1.HRMS(DART+)Calcdfor C8H4BrClFI(M)+359.8214,found:359.8208.
实施例8
合成(E)-1-(2-溴-1-氯-2-碘乙烯基)-4-三氟甲基苯(8a)
以4-三氟甲基苯基溴乙炔代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-1-(2-溴-1-氯-2-碘乙烯基)-4-三氟甲基苯(53mg,65%)。
1H NMR(400MHz,CDCl3)δ7.67(d,J=8.0Hz,2H),7.53(d,J=8.1Hz,2H).13C NMR(126MHz,CDCl3)δ143.1,134.3,131.9,131.6,131.4,131.1,129.4,129.2,128.4,125.7,125.7,125.7,125.7,124.8,122.6,53.3.19F NMR(376MHz,CDCl3)δ-62.90.IR(KBr)νmax2923,1921,1614,1406,1323,1170,1132,1066,1019,841,796,755,709,624cm-1.HRMS(EI+)Calcd for C9H4BrClF3I(M)+409.8176,found:409.8178.
实施例9
合成(E)-4-(2-溴-1-氯-2-碘乙烯基)苯甲酸甲酯(9a)
以4-(溴炔基)苯甲酸甲酯代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-4-(2-溴-1-氯-2-碘乙烯基)苯甲酸甲酯(40.9mg,51%)。
1H NMR(400MHz,CDCl3)δ8.07(d,J=8.5Hz,2H),7.48(d,J=8.5Hz,2H),3.94(s,3H).13C NMR(126MHz,CDCl3)δ166.3,143.9,134.8,131.0,129.9,129.0,52.9,52.4.IR(KBr)νmax 2997,2948,1934,1707,1431,1398,1281,1184,1106,1013,957,854,772,712,628,567,488cm-1.HRMS(DART+)Calcd for C10H8BrClIO2(M+H)+400.8435,found:400.8433.
实施例10
合成(E)-4-(2-溴-1-氯-2-碘乙烯基)苯甲腈(10a)
以4-(溴炔基)苯甲腈代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-4-(2-溴-1-氯-2-碘乙烯基)苯甲腈(44.9mg,61%)。
1H NMR(400MHz,CDCl3)δ7.71(dd,J=8.3,1.7Hz,2H),7.57–7.51(m,2H).13C NMR(101MHz,CDCl3)δ143.93,133.66,132.47,129.79,118.03,113.37,54.02.
实施例11
合成(E)-1-(2-溴-1-氯-2-碘乙烯基)-4-硝基苯(11a)
以4-硝基苯基溴乙炔代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-1-(2-溴-1-氯-2-碘乙烯基)-4-硝基苯(23mg,29%)。
1H NMR(500MHz,CDCl3)δ8.28(d,J=8.4Hz,2H),7.61(d,J=8.4Hz,2H).13C NMR(126MHz,CDCl3)δ148.1,145.7,133.3,130.2,124.0,54.3.
实施例12
合成(E)-2-(2-溴-1-氯-2-碘乙烯基)萘(12a)
以2-(溴炔基)萘代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-2-(2-溴-1-氯-2-碘乙烯基)萘(63mg,80%)。
1H NMR(500MHz,CDCl3)δ7.88(d,J=1.7Hz,1H),7.83(dd,J=8.8,5.0Hz,3H),7.54–7.48(m,2H),7.44(dd,J=8.5,1.8Hz,1H).13C NMR(126MHz,CDCl3)δ136.9,136.1,133.4,132.7,129.0,128.5,128.4,127.9,127.4,126.8,125.7,52.2.IR(KBr)νmax 2360,1502,912,861,813,746,691,475cm-1.HRMS(DART+)Calcd for C12H7BrClI(M)+391.8459,found:391.8454.
实施例13
合成(E)-2-(2-溴-1-氯-2-碘乙烯基)吡啶(13a)
以2-(溴炔基)吡啶代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-2-(2-溴-1-氯-2-碘乙烯基)吡啶(21mg。30%)。
1H NMR(500MHz,Chloroform-d)δ8.69(d,J=3.1Hz,1H),8.63(dd,J=4.9,1.7Hz,1H),7.74(dt,J=7.9,2.1Hz,1H),7.36(ddd,J=7.9,4.9,0.8Hz,1H).
实施例14
合成(E)-3-(2-溴-1-氯-2-碘乙烯基)噻吩(14a)
以3-(溴炔基)噻吩代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-3-(2-溴-1-氯-2-碘乙烯基)噻吩(55.9mg,80%)。
1H NMR(400MHz,CDCl3)δ7.55(dd,J=2.9,1.2Hz,1H),7.31(dd,J=5.1,3.0Hz,1H),7.21(dd,J=5.1,1.2Hz,1H).13C NMR(101MHz,CDCl3)δ138.9,131.5,127.8,127.3,125.6,51.5.IR(KBr)νmax 2991,1764,1376,1243,1054,937,850,784,670,635cm-1.HRMS(EI+)Calcd for C6H3BrClIS(M)+347.7867,found:347.7861.
实施例15
合成(E)-1-溴-2-氯-1-碘庚-1-烯(15a)
以1-溴庚-1-炔代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-1-溴-2-氯-1-碘庚-1-烯(54mg,80%)。
1H NMR(400MHz,CDCl3)δ2.64(t,J=7.6Hz,2H),1.62(p,J=7.4Hz,2H),1.34(h,J=6.7,5.8Hz,4H),0.92(t,J=6.8Hz,3H).13C NMR(101MHz,CDCl3)δ139.4,48.7,41.9,30.7,26.8,22.4,14.0.IR(KBr)νmax 2991,1765,1639,1376,1243,1054,751cm-1.HRMS(EI+)Calcd for C7H11BrClI(M)+335.8772,found:335.8776.
实施例16
合成(E)-5-溴-4-氯-5-碘-4-烯-1-苯甲酸酯(16a)
以5-溴戊基-4-炔-1-苯甲酸酯代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-5-溴-4-氯-5-碘-4-烯-1-苯甲酸酯(78.2mg,91%)。
1H NMR(400MHz,CDCl3)δ8.06(d,J=7.7Hz,2H),7.60–7.52(m,1H),7.44(t,J=7.6Hz,2H),4.36(td,J=6.2,1.6Hz,2H),2.90–2.81(m,2H),2.11(p,J=6.6,5.9Hz,2H).13CNMR(101MHz,CDCl3)δ166.5,137.9,133.0,130.1,129.7,128.4,63.4,50.1,39.0,26.4.IR(KBr)νmax 3064,2960,1715,1595,1450,1387,1273,1174,1112,1027,908,801,763,709cm-1.HRMS(ESI+)Calcd for C12H11BrClINaO2(M)+450.8568,found:450.8576.
实施例17
合成(E)-7-溴-6-氯-7-碘庚-6-烯-1-基4-甲苯磺酸(17a)
以7-溴庚-6-炔-1-基4-甲苯磺酸代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-7-溴-6-氯-7-碘庚-6-烯-1-基4-甲苯磺酸(55.8mg,55%)。
1H NMR(400MHz,CDCl3)δ7.79(d,J=8.4Hz,2H),7.36(d,J=8.0Hz,2H),4.04(t,J=6.4Hz,2H),2.64–2.57(m,2H),2.46(s,3H),1.73–1.65(m,2H),1.57(p,J=7.6Hz,2H),1.37(tt,J=9.7,6.1Hz,2H).13C NMR(101MHz,CDCl3)δ144.8,138.6,133.1,129.9,127.9,70.2,49.3,41.6,28.6,26.4,24.3,21.7.IR(KBr)νmax 2932,2862,1596,1457,1356,1220,1178,1100,1025,951,911,818,741,661,560cm-1.HRMS(ESI+)Calcd for C14H17BrClINaO3S(M)+528.8707,found:528.8712.
实施例18
合成(E)-((4-溴-3-氯-4-碘-3-烯-1-基)氧基)(叔丁基)二甲基硅烷(18a)以((4-溴-3-炔-1-基)氧基)(叔丁基)二甲基硅烷代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-((4-溴-3-氯-4-碘-3-烯-1-基)氧基)(叔丁基)二甲基硅烷(21.3mg,25%)。
1H NMR(500MHz,CDCl3)δ3.85(t,J=6.4Hz,2H),2.88(t,J=6.4Hz,2H),0.91(s,9H),0.08(s,6H).13C NMR(126MHz,CDCl3)δ136.1,59.9,50.8,45.0,25.9,18.3,-5.3.IR(KBr)νmax 2939,2860,1465,1253,1107,913,834,779,743,688cm-1.HRMS(DART+)Calcd forC10H20BrClIOSi(M+H)+424.9195,found:424.9191.
实施例19
合成(E)-3-溴-2-氯-3-碘丙烯酸乙酯(19a)
以3-溴丙炔酸乙酯代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-3-溴-2-氯-3-碘丙烯酸乙酯(59mg,87%)。
1H NMR(400MHz,CDCl3)δ4.31(qd,J=7.2,2.0Hz,2H),1.35(td,J=7.2,2.0Hz,3H).13C NMR(101MHz,CDCl3)δ164.3,117.2,90.3,63.1,13.9.IR(KBr)νmax 2925,1725,1561,1456,1363,1237,1027,880,797,741cm-1.HRMS(DART+)Calcd for C5H6BrClIO2(M+H)+338.8279,found:338.8276.
实施例20
合成(E)-(1,2-二氯-2-碘乙烯基)苯(20a)
以苯基氯乙炔代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-(1,2-二氯-2-碘乙烯基)苯(46mg,77%)。
1H NMR(400MHz,CDCl3)δ7.45-7.39(m,5H).13C NMR(101MHz,CDCl3)δ139.3,133.4,129.7,129.2,128.6,69.8.
实施例21
合成(1-氯-2,2-二碘乙烯基)苯(21a)
以苯基碘乙炔代替实施例1中的苯基溴乙炔,其余操作一致,得到(1-氯-2,2-二碘乙烯基)苯(57mg,73%)。
1H NMR(400MHz,CDCl3)δ7.32-7.42(m,5H).13C NMR(101MHz,CDCl3)δ140.7,139.6,129.5,128.6,128.6,14.5.
实施例22
合成(E)-1,2,4-三氯-3-碘-2-丁烯(22a)
以1,4-二氯-2-炔代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-1,2,4-三氯-3-碘-2-丁烯(34.2mg,60%)。
1H NMR(500MHz,CDCl3)δ4.57(s,2H),4.50(s,2H).13C NMR(126MHz,CDCl3)δ132.5,97.5,52.1,51.5.IR(KBr)νmax 2959,1715,1603,1428,1263,1185,1078,909,730,669,563,465cm-1.HRMS(EI+)Calcd for C4H4Cl2I(M)+283.8418,found:283.8419.
实施例23
合成(E)-(1-氯-2-碘乙烯-1,2-二基)二苯(23a)
以二苯基乙炔代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-(1-氯-2-碘乙烯-1,2-二基)二苯(32mg,47%)。
1H NMR(400MHz,Chloroform-d)δ7.58–7.54(m,2H),7.52–7.40(m,6H),7.36(ddt,J=8.1,5.2,2.3Hz,2H).13C NMR(101MHz,CDCl3)δ142.7,141.7,131.6,129.1,128.8,128.5,128.4,128.4,128.3,93.8.
实施例24
合成(E)-(1-氯-2-碘丙-1-烯-1-基)苯(24a)
以1-苯基-1-丙炔代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-(1-氯-2-碘丙-1-烯-1-基)苯(54mg,97%)。
1H NMR(500MHz,CDCl3)δ7.38–7.31(m,5H),2.74(s,3H).13C NMR(126MHz,CDCl3)δ141.8,129.2,129.0,128.8,128.3,92.0,31.3.
实施例25
合成3-氯-2-碘-1,3-二苯基丙-2-烯-1-酮(25a)
以1,3-二苯基丙-2-炔-1-酮代替实施例1中的苯基溴乙炔,其余操作一致,得到(1-氯-2-碘乙烯-1,2-二基)二苯(63mg,86%,E/Z=10/1)。
1H NMR(500MHz,CDCl3)δ8.07(d,J=7.7Hz,2H),7.65–7.60(m,3H),7.53(t,J=7.6Hz,2H),7.45(q,J=8.2Hz,3H).13C NMR(126MHz,CDCl3)δ190.8,138.3,134.3,132.6,132.6,130.1,130.0,129.1,129.1,128.5,88.5.IR(KBr)νmax 3060,2197,1668,1590,1487,1447,1310,1247,1173,1052,910,804,739,690,564cm-1.HRMS(DART+)Calcd forC15H11ClIO(M+H)+368.9538,found:368.9533.
实施例26
合成3-氯-2-碘-3-苯丙烯酸乙酯(26a)
以3-苯基丙炔酸乙酯代替实施例1中的苯基溴乙炔,其余操作一致,得到-3-氯-2-碘-3-苯丙烯酸乙酯(64mg,95%,E/Z=10/1)。
1H NMR(500MHz,CDCl3)δ7.44(dd,J=26.5,5.9Hz,5H),4.37(q,J=7.0Hz,2H),1.39(t,J=7.1Hz,3H).13C NMR(126MHz,CDCl3)δ165.3,138.8,134.8,129.9,128.8,128.4,81.2,62.7,13.9.
实施例27
合成(E)-1-((2-氯-1-碘-2-苯基乙烯基)磺酰基)-4-甲基苯(27a)
以1-甲基-4-((苯乙炔基)磺酰基)苯代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-1-((2-氯-1-碘-2-苯基乙烯基)磺酰基)-4-甲基苯(46mg,55%)。
1H NMR(500MHz,CDCl3)δ8.00–7.95(m,2H),7.41–7.36(m,5H),7.31–7.28(m,2H),2.48(s,3H).13C NMR(126MHz,CDCl3)δ145.3,143.0,141.6,135.9,130.2,129.7,129.0,128.6,128.0,100.4,21.8.
实施例28
合成(E)-(1-氯-2-碘乙烯基)苯(28a)
以苯乙炔代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-(1-氯-2-碘乙烯基)苯(31mg,58%)。
1H NMR(500MHz,CDCl3)δ7.55–7.49(m,2H),7.41–7.36(m,3H),6.76(s,1H).13CNMR(126MHz,CDCl3)δ137.7,134.2,129.5,129.0,128.3,73.0.
实施例29
合成(E)-1-(1-氯-2-碘乙烯基)-4-甲氧基苯(29a)
以4-甲氧基苯乙炔代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-1-(1-氯-2-碘乙烯基)-4-甲氧基苯(40mg,68%)。
1H NMR(500MHz,CDCl3)δ7.50(d,J=8.8Hz,2H),6.91(d,J=8.8Hz,2H),6.67(s,1H),3.84(s,3H).13C NMR(126MHz,CDCl3)δ160.3,134.1,130.6,129.8,113.5,71.7,55.3.IR(KBr)νmax 2930,2838,2359,1608,1504,1462,1297,1255,1177,1154,1032,911,832,743,649,569cm-1.HRMS(DART+)Calcd for C9H8ClIO(M)+293.9303,found:293.9301.
实施例30
合成(E)-1-(1-氯-2-碘乙烯基)-4-甲基苯(30a)
以4-甲基苯乙炔代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-1-(1-氯-2-碘乙烯基)-4-甲基苯(47mg,84%)。
1H NMR(500MHz,CDCl3)δ7.42(d,J=8.2Hz,2H),7.20(d,J=7.9Hz,2H),6.71(s,1H),2.38(s,3H).13C NMR(126MHz,CDCl3)δ139.7,134.8,134.3,129.0,128.9,72.3,21.5.IR(KBr)νmax 3068,3028,2920,1906,1610,1503,1447,1183,1150,1021,912,884,818,784,744,682,639,571,510,431cm-1.HRMS(DART+)Calcd for C9H8ClI(M)+277.9354,found:277.9352.
实施例31
合成(E)-1-(1-氯-2-碘乙烯基)-4-叔丁基苯(31a)
以4-叔丁基苯乙炔代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-1-(1-氯-2-碘乙烯基)-4-叔丁基苯(56mg,88%)。
1H NMR(500MHz,CDCl3)δ7.50–7.47(m,2H),7.42–7.40(m,2H),6.72(s,1H),1.34(s,9H).13C NMR(126MHz,CDCl3)δ152.7,134.5,134.2,128.8,125.2,72.0,34.9,31.2.
实施例32
合成(E)-1-(1-氯-2-碘乙烯基)-4-溴苯(32a)
以4-溴苯乙炔代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-1-(1-氯-2-碘乙烯基)-4-溴苯(34mg,49%)。
1H NMR(500MHz,CDCl3)δ7.54(d,J=8.5Hz,2H),7.40(d,J=8.5Hz,2H),6.79(s,1H).13C NMR(126MHz,CDCl3)δ136.6,133.0,131.6,130.6,123.8,73.7.HRMS(DART+)Calcdfor C8H5BrClI(M)+341.8302,found:341.8300.
实施例33
合成(E)-1-(1-氯-2-碘乙烯基)-4-氯苯(33a)
以4-氯苯乙炔代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-1-(1-氯-2-碘乙烯基)-4-氯苯(53mg,88%)。
1H NMR(500MHz,CDCl3)δ7.47(dd,J=8.4,1.5Hz,2H),7.38(dd,J=8.4,1.5Hz,2H),6.79(s,1H).13C NMR(126MHz,CDCl3)δ136.1,135.5,133.0,130.4,128.6,73.7.IR(KBr)νmax 2362,1599,1483,1325,1132,1132,1092,1015,911,886,827,743,675,572cm- 1.HRMS(DART+)Calcd for C8H5Cl2I(M)+297.8808,found:297.8805.
实施例34
合成(E)-1-(1-氯-2-碘乙烯基)-4-氟苯(34a)
以4-氟苯乙炔代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-1-(1-氯-2-碘乙烯基)-4-氟苯(35mg,61%)。
1H NMR(500MHz,CDCl3)δ7.52(dd,J=8.7,5.4Hz,2H),7.09(dd,J=9.4,7.9Hz,2H),6.76(s,1H).13C NMR(126MHz,CDCl3)δ164.0,162.0,133.7,133.7,133.2,131.2,131.1,115.5,115.3,73.4.19F NMR(471MHz,CDCl3)δ-110.3.
实施例35
合成(E)-1-(1-氯-2-碘乙烯基)-4-三氟甲基苯(35a)
以4-三氟甲基苯乙炔代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-1-(1-氯-2-碘乙烯基)-4-三氟甲基苯(47mg,71%)。
1H NMR(500MHz,CDCl3)δ7.66(q,J=8.4Hz,4H),6.88(s,1H).13C NMR(126MHz,CDCl3)δ141.2,132.6,131.8.131.5,131.2,131.0,129.6,129.5,129.1,125.5,125.4,125.4,125.4,124.8,122.7,121.6,74.7.19F NMR(471MHz,CDCl3)δ-62.9.
实施例36
合成(E)-4-(1-氯-2-碘乙烯基)苯甲腈(36a)
以4-氰基苯乙炔代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-4-(1-氯-2-碘乙烯基)苯甲腈(38mg,65%)。
1H NMR(500MHz,Chloroform-d)δ7.73–7.69(m,2H),7.66–7.63(m,2H),6.92(s,1H).13C NMR(126MHz,CDCl3)δ142.0,132.2,129.9,122.2,118.2,113.2,75.5.IR(KBr)νmax3066,2361,2230,1601,1496,1401,1325,1129,1071,1017,912,839,745,681,553cm-1.HRMS(DART+)Calcd for C9H6ClIN(M+H)+289.9228,found:289.9226.
实施例37
合成(E)-3-(1-氯-2-碘乙烯基)噻吩(37a)
以3-乙炔基噻吩代替实施例1中的苯基溴乙炔,其余操作一致,得到(E)-3-(1-氯-2-碘乙烯基)噻吩(28mg,52%)。
1H NMR(500MHz,CDCl3)δ7.81(dd,J=3.0,1.3Hz,1H),7.50(dd,J=5.1,1.3Hz,1H),7.33(dd,J=5.1,3.0Hz,1H),6.70(s,1H).13C NMR(126MHz,CDCl3)δ137.4,129.4,128.0,127.8,125.2,71.1.IR(KBr)νmax 2360,1635,1327,1135,912,744,650cm-1.HRMS(DART+)Calcd for C6H4ClIS(M)+269.8761,found:269.8761.
实施例38
合成(2,2-二溴-1-氯乙烯基)苯(1b)
在烧瓶中加入磁子,加入苯基溴乙炔(36.2mg,0.2mmol)、2,2,6,6-四甲基哌啶氮氧化物(6.3mg,0.04mmol)、1,3-二氯-5,5-二甲基海因(47.3mg,0.24mmol)、1,3-二溴-5,5-二甲基海因(68.6mg,0.24mmol)和乙腈(1.0mL)在30℃下搅拌24小时,反应完全后旋除溶剂,用快速柱色谱法纯化,可得到产物(2,2-二溴-1-氯乙烯基)苯和副产物(1,2,2-三溴乙烯基)苯的混合物(重量45.1mg,两者比例92:8,收率76%,下同)。
1H NMR(400MHz,CDCl3)δ7.47–7.32(m,5H).13C NMR(101MHz,CDCl3)δ137.3,134.2,129.5,128.8,128.5,89.3.
实施例39
合成1-(2,2-二溴-1-氯乙烯基)-4-甲苯(2b)
以1-(溴乙炔基)-4-甲基苯代替实施例38中的苯基溴乙炔,其余操作一致,得到1-(2,2-二溴-1-氯乙烯基)-4-甲苯(29mg,91:9,47%)。
1H NMR(500MHz,CDCl3)δ7.34(d,J=8.2Hz,2H),7.19(d,J=8.0Hz,2H),2.37(s,3H).13C NMR(126MHz,CDCl3)δ139.7,134.5,134.4,129.1,128.7,88.7,21.4.IR(KBr)νmax2938,1743,1599,1455,1363,1242,1178,1101,1050,950,912,819,736,662,561cm-1.HRMS(DART+)Calcd for C9H7Br2ClI(M)+307.8598,found:307.8595.
实施例40
合成1-(2,2-二溴-1-氯乙烯基)-4-叔丁基苯(3b)
以1-(溴乙炔基)-4-叔丁基苯代替实施例38中的苯基溴乙炔,其余操作一致,得到1-(2,2-二溴-1-氯乙烯基)-4-叔丁基苯(39mg,92:8,55%)。
1H NMR(500MHz,CDCl3)δ7.41–7.37(m,4H),1.33(s,9H).13C NMR(126MHz,CDCl3)δ152.8,134.4,134.3,128.5,125.3,88.6,34.8,31.2.IR(KBr)νmax 2963,1762,1464,1373,1242,1105,1053,921,839,802,747,635cm-1.HRMS(EI+)Calcd for C12H13Br2Cl(M)+309.9067,found:349.9074.
实施例42
合成1-(2,2-二溴-1-氯乙烯基)-4-溴苯(4b)
以1-(溴乙炔基)-4-溴苯代替实施例38中的苯基溴乙炔,其余操作一致,得到1-(2,2-二溴-1-氯乙烯基)-4-溴苯(39mg,94:6,52%)。
1H NMR(500MHz,CDCl3)δ7.53(d,J=8.5Hz,2H),7.32(d,J=8.5Hz,2H).13CNMR(126MHz,CDCl3)δ136.2,133.1,131.8,130.4,123.9,89.9.IR(KBr)νmax 3708,3051,1747,1516,1360,920cm-1.HRMS(EI+)Calcd for C8H4Br3Cl(M)+371.7546,found:371.7549.
实施例43
合成1-(2,2-二溴-1-氯乙烯基)-4-氯苯(5b)
以1-(溴乙炔基)-4-氯苯代替实施例38中的苯基溴乙炔,其余操作一致,得到1-(2,2-二溴-1-氯乙烯基)-4-氯苯(51mg,94:6,77%)。
1H NMR(500MHz,CDCl3)δ7.41–7.34(m,4H).13C NMR(126MHz,CDCl3
135.7,135.6,133.1,130.2,128.8,89.9.IR(KBr)νmax 2923,1743,1584,1485,1393,1266,1217,1092,1016,817,752,649,572,509,446cm-1.HRMS(EI+)Calcd forC8H4Br2Cl2(M)+327.8051,found:327.8050.
实施例44
合成1-(2,2-二溴-1-氯乙烯基)-4-氟苯(6b)
以1-(溴乙炔基)-4-氟苯代替实施例38中的苯基溴乙炔,其余操作一致,得到1-(2,2-二溴-1-氯乙烯基)-4-氟苯(36mg,96:4,58%)。
1H NMR(500MHz,CDCl3)δ7.47–7.41(m,2H),7.11–7.05(m,2H).13C NMR(126MHz,CDCl3)δ163.99,162.00,133.31,133.28,133.26,130.96,130.89,115.72,115.54,89.68.19F NMR(376MHz,CDCl3)δ-110.2.IR(KBr)νmax 3714,2956,1741,1589,1498,1361,1232,1090,1016,946,838,734,694,508cm-1.HRMS(EI+)Calcd for C8H4Br2ClF(M)+311.8347,found:311.8353.
实施例45
合成1-(2,2-二溴-1-氯乙烯基)-4-三氟甲基苯(7b)
以1-(溴乙炔基)-4-三氟甲基苯代替实施例38中的苯基溴乙炔,其余操作一致,得到1-(2,2-二溴-1-氯乙烯基)-4-三氟甲基苯(51mg,95:5,70%)。
1H NMR(500MHz,CDCl3)δ7.67(d,J=7.9Hz,2H),7.58(d,J=8.1Hz,2H).13C NMR(126MHz,CDCl3)δ140.8,132.5,131.8,131.6,131.3,131.1,129.4,129.3,129.2,125.6,125.6,125.6,125.5,124.8,122.6,90.8.19F NMR(471MHz,CDCl3)δ-62.9.IR(KBr)νmax1763,1406,1324,1240,1170,1131,1066,1018,910,842,735,632cm-1.
实施例46
合成4-(2,2-二溴-1-氯乙烯基)苯甲酸甲酯(8b)
以4-(溴乙炔基)苯甲酸甲酯代替实施例38中的苯基溴乙炔,其余操作一致,得到4-(2,2-二溴-1-氯乙烯基)苯甲酸甲酯(28mg,93:7,39%)。
1H NMR(500MHz,CDCl3)δ8.07(d,J=8.4Hz,2H),7.53(d,J=8.4Hz,2H),3.93(s,3H).13C NMR(126MHz,CDCl3)δ166.2,141.5,133.0,131.0,129.7,128.9,90.4,52.4.IR(KBr)νmax 2951,1769,1718,1601,1434,1280,1183,1107,1016,961,911,855,801,739,698,571cm-1.HRMS(DART+)Calcd for C10H8Br2ClO2(M+H)+352.8574,found:352.8571.
实施例47
合成4-(2,2-二溴-1-氯乙烯基)苯甲腈(9b)
以4-(溴乙炔基)苯甲腈代替实施例38中的苯基溴乙炔,其余操作一致,得到4-(2,2-二溴-1-氯乙烯基)苯甲腈(60mg,90:10,93%)。
1H NMR(500MHz,CDCl3)δ7.70(d,J=8.4Hz,2H),7.58(d,J=8.4Hz,2H).13C NMR(126MHz,CDCl3)δ141.6,132.3,132.0,129.7,118.0,113.4,91.4.IR(KBr)νmax 2230,1762,1497,1227,1019,1019,912,842,741,683,562cm-1.HRMS(DART)Calcd for C9H5Br2ClN(M+H)+319.8472,found:319.8469.
实施例48
合成1-(2,2-二溴-1-氯乙烯基)-4-硝基苯(10b)
以1-(溴乙炔基)-4-硝基苯代替实施例38中的苯基溴乙炔,其余操作一致,得到1-(2,2-二溴-1-氯乙烯基)-4-硝基苯(27mg,88:12,39%)。
1H NMR(500MHz,CDCl3)δ8.27(d,J=8.6Hz,2H),7.66(d,J=8.4Hz,2H).13C NMR(126MHz,CDCl3)δ143.4,130.1,130.0,123.9,123.8,91.7.IR(KBr)νmax 1763,1591,1509,1342,1102,913,851,807,739cm-1.HRMS(DART+)Calcd for C8H5O2NBr2Cl(M+H)+339.8370,found:339.8368.
实施例49
合成1,1-二溴-2-氯庚-1-烯(11b)
以1-溴庚-1-炔代替实施例38中的苯基溴乙炔,其余操作一致,得到1,1-二溴-2-氯庚-1-烯(30mg,95:5,52%)。
1H NMR(500MHz,CDCl3)δ2.64(dt,J=28.7,7.6Hz,2H),1.61(td,J=14.3,13.7,7.0Hz,2H),1.33(pd,J=8.1,2.7Hz,4H),0.91(t,J=6.8Hz,3H).13C NMR(126MHz,CDCl3)δ137.8,86.5,38.4,30.7,26.6,22.4,14.0.IR(KBr)νmax 2927,2862,1762,1458,1125,912,822,742cm-1.HRMS(EI+)Calcd for C7H11Br2Cl(M+H)+
287.8911,found:287.8909.
实施例50
合成4,4-二溴-3-氯-3-烯-1-苯甲酸酯(12b)
以4-溴丁基-3-炔-1-苯甲酸酯代替实施例38中的苯基溴乙炔,其余操作一致,得到4,4-二溴-3-氯-3-烯-1-苯甲酸酯(56mg,90:10,76%)。
1H NMR(500MHz,CDCl3)δ8.06(d,J=7.8Hz,2H),7.58(t,J=7.5Hz,1H),7.46(t,J=7.6Hz,2H),4.55(t,J=6.3Hz,2H),3.21–3.08(m,2H).13C NMR(126MHz,CDCl3)δ166.4,133.4,133.2,129.7,128.5,89.5,61.0,37.9.IR(KBr)νmax 2960,1721,1594,1454,1381,1270,1174,1110,1023,911,814,712cm-1.HRMS(DART+)Calcd for C11H10O2Br2Cl(M+H)+366.8731,found:366.8727.
实施例51
合成7,7-二溴-6-氯庚-6-烯-1-基4-甲基苯磺酸酯(13b)
以7-溴庚-6-炔-1-基4-甲苯磺酸酯代替实施例38中的苯基溴乙炔,其余操作一致,得到7,7-二溴-6-氯庚-6-烯-1-基4-甲基苯磺酸酯(48mg,90:10,61%)。
1H NMR(400MHz,CDCl3)δ7.79(d,J=8.3Hz,2H),7.35(d,J=8.0Hz,2H),4.03(t,J=6.4Hz,2H),2.60(dt,J=23.1,7.4Hz,2H),2.45(s,3H),1.73–1.64(m,2H),1.57(p,J=7.5Hz,2H),1.41–1.31(m,2H).13C NMR(101MHz,CDCl3)δ144.8,137.1,133.1,129.9,127.9,87.0,70.2,38.1,28.5,26.2,24.3,21.7.IR(KBr)νmax 2939,1759,1594,1455,1363,1243,1179,1101,1051,950,819,661,561cm-1.
实施例52
合成叔丁基((4,4-二溴-3-氯-3-烯-1-基)氧基)二甲基硅烷(14b)
以((4-溴-3-炔-1-基)氧基)(叔丁基)二甲基硅烷代替实施例38中的苯基溴乙炔,其余操作一致,得到叔丁基((4,4-二溴-3-氯-3-烯-1-基)氧基)二甲基硅烷(39mg,90:10,52%)。
1H NMR(500MHz,CDCl3)δ3.84(t,J=6.5Hz,2H),2.87(dt,J=28.4,6.2Hz,2H),0.90(s,9H),0.07(s,6H).13C NMR(126MHz,CDCl3)δ134.5,88.5,59.6,41.7,25.9,25.9,18.2,-5.4.IR(KBr)νmax 2941,2862,1467,1388,1254,1109,912,833,778,738,659cm-1.
实施例53
合成(E)-(2-溴-1,2-二氯乙烯基)苯(15b)
以苯基氯乙炔代替实施例38中的苯基溴乙炔,其余操作一致,得到(E)-(2-溴-1,2-二氯乙烯基)苯(41mg,92:8,82%)。
1H NMR(400MHz,CDCl3)δ7.42–7.34(m,5H).13C NMR(101MHz,CDCl3)δ139.0,129.4,129.0,128.5,120.8,104.8.
实施例54
合成(E)-2-溴-1,3,4-三氯-2-丁烯(16b)
以1,4-二氯-2-炔代替实施例38中的苯基溴乙炔,其余操作一致,得到(E)-2-溴-1,3,4-三氯-2-丁烯(19mg,85:15,40%)。
1H NMR(400MHz,CDCl3)δ4.52(s,2H),4.46(s,2H).13C NMR(101MHz,CDCl3)δ130.9,120.8,47.3,47.0.IR(KBr)νmax 1744,1431,1265,1085,944,744cm-1.HRMS(EI+)Calcd forC4H4BrCl3(M)+235.8556,found:235.8551.
实施例55
合成(E)-5-溴-6-氯-5-葵烯(17b)
以葵-5炔代替实施例38中的苯基溴乙炔,其余操作一致,得到(E)-5-溴-6-氯-5-葵烯(27mg,95:5,53%)。
1H NMR(500MHz,CDCl3)δ2.67–2.53(m,4H),1.58(ddt,J=19.5,14.1,7.0Hz,4H),1.33(ddtd,J=19.2,12.7,8.8,7.7,3.2Hz,4H),0.97–0.87(m,6H).13C NMR(126MHz,CDCl3)δ130.6,130.1,121.9,121.3,40.2,39.7,38.4,37.9,30.8,30.7,27.2,26.5,22.5,20.8,20.2,14.0,13.1,13.0.IR(KBr)νmax 3054,2960,2928,2866,2308,1748,1456,1265,1085,894,741cm-1.HRMS(EI+)Calcd for C10H18BrCl(M+H)+252.0275,found:252.0278.
实施例56
合成(E)-(1-溴-2-氯乙烯-1,2-二基)二苯(18b)
以二苯乙炔代替实施例38中的苯基溴乙炔,其余操作一致,得到(E)-(1-溴-2-氯乙烯-1,2-二基)二苯(31mg,90:10,53%)。
1H NMR(500MHz,CDCl3)δ7.38–7.30(m,10H)。
实施例57
合成(E)-2-溴-3-氯-1,3-二苯基丙-2-烯-1-酮(19b)
以1,3-二苯基丙-2-炔-1-酮代替实施例38中的苯基溴乙炔,其余操作一致,得到(E)-2-溴-3-氯-1,3-二苯基丙-2-烯-1-酮(50mg,94:6,77%)。
1H NMR(400MHz,CDCl3)δ8.08–8.04(m,2H),7.67(dd,J=7.6,2.2Hz,3H),7.54(t,J=7.8Hz,2H),7.48–7.42(m,3H).13C NMR(101MHz,CDCl3)δ189.2,135.9,134.5,133.2,130.8,130.0,129.2,129.1,129.1,128.5,111.4.IR(KBr)νmax 3058,1675,1590,1488,1447,1312,1251,1174,1063,913,816,749,690,566cm-1.HRMS(DART+)Calcd forC15H11OBrCl(M+H)+320.9676,found:320.9676.
实施例58
合成(E)-2-溴-3-氯-3-苯丙烯酸乙酯(20b)
以3-苯基丙炔酸乙酯代替实施例38中的苯基溴乙炔,其余操作一致,得到(E)-2-溴-3-氯-3-苯丙烯酸乙酯(51mg,95:5,88%)。
1H NMR(500MHz,CDCl3)δ7.53–7.49(m,2H),7.41(dd,J=5.2,2.1Hz,3H),4.39(q,J=7.2Hz,2H),1.40(t,J=7.1Hz,3H).13C NMR(126MHz,CDCl3)δ163.5,136.7,133.7,129.9,128.7,128.4,107.5,62.8,14.0.IR(KBr)νmax 2982,1730,1448,1250,1034,910,699cm- 1.HRMS(DART+)Calcd for C10H9O2BrCl(M+H)+288.9626,found:288.9623.
实施例59
合成(E)-1-((1-溴-2-氯-2-苯基乙烯基)磺酰基)-4-甲苯(21b)
以1-甲基-4-((苯乙炔基)磺酰基)苯代替实施例38中的苯基溴乙炔,其余操作一致,得到(E)-1-((1-溴-2-氯-2-苯基乙烯基)磺酰基)-4-甲苯(45mg,61%)。1H NMR(400MHz,Chloroform-d)δ7.63–7.58(m,2H),7.46–7.38(m,4H),7.36–7.32(m,3H),7.28(d,J=8.3Hz,2H),2.45(s,2H).13C NMR(101MHz,CDCl3)δ147.7,145.3,136.1,135.8,130.2,129.6,128.9,128.5,128.1,125.1,21.7.
实施例60
合成(E)-(2-溴-1-氯乙烯基)苯(22b)
以苯乙炔代替实施例38中的苯基溴乙炔,其余操作一致,得到(E)-(2-溴-1-氯乙烯基)苯(17mg,92:8,39%)。
1H NMR(500MHz,CDCl3)δ7.54(dd,J=6.8,3.0Hz,2H),7.38(q,J=3.8Hz,4H),6.87(s,1H).13C NMR(126MHz,CDCl3)δ138.5,136.6,129.5,129.5,128.6,126.7,105.2.
实施例61
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合成(8R,9S,13S,14S)-3-(2,2-二溴-1-氯乙烯基)-13-甲基-6,7,8,9,11,12,13,14,15,16-十氢-17H-环戊并[a]菲-17-酮(23b)
以(8R,9S,13S,14S)-3-(溴炔基)-13-甲基-6,7,8,9,11,12,13,14,15,16-十氢-17H-环戊基[a]菲-17-酮代替实施例38中的苯基溴乙炔,其余操作一致,得到(8R,9S,13S,14S)-3-(2,2-二溴-1-氯乙烯基)-13-甲基-6,7,8,9,11,12,13,14,15,16-十氢-17H-环戊并[a]菲-17-酮(40mg,95:5,42%)。
1H NMR(400MHz,CDCl3)δ7.31(d,J=1.3Hz,2H),7.25(s,1H),2.94(dd,J=8.9,4.3Hz,2H),2.51(dd,J=18.8,8.7Hz,1H),2.45–2.39(m,1H),2.31(td,J=10.7,4.2Hz,1H),2.16(q,J=9.7,9.2Hz,1H),2.11–1.96(m,4H),1.62(dddd,J=10.3,7.3,5.5,2.1Hz,4H),1.57–1.45(m,4H),0.92(s,3H).IR(KBr)νmax 2929,2361,1737,1454,1420,1276,1213,1140,1011,911,825,783,733,647,606,449cm-1.HRMS(EI+)Calcd for C20H21OBr2Cl(M+H)+469.9642,found:469.9641.
实施例62
合成(E)-(1,2-二溴乙烯基)苯(1d)
在烧瓶中加入磁子,加入苯乙炔(30.6mg,0.3mmol)、2,2,6,6-四甲基哌啶氮氧化物(18.7mg,0.12mmol)、N-溴代丁二酰亚胺(128mg,0.72mmol)和1,2-二氯乙烷(1.0mL)在30℃下搅拌24小时,反应完全后旋除溶剂,用快速柱色谱法纯化,可得到(E)-(1,2-二溴乙烯基)苯(58mg,74%)。
1H NMR(400MHz,CDCl3)δ7.54–7.47(m,2H),7.44–7.33(m,3H),6.80(s,1H).13CNMR(101MHz,CDCl3)δ137.1,129.4,129.2,128.3,121.4,103.1,103.0.
实施例63
合成(E)-1-(1,2-二溴乙烯基)-4-甲氧基苯(2d)
以4-甲氧基苯乙炔代替实施例62中的苯乙炔,其余操作一致,得到(E)-1-(1,2-二溴乙烯基)-4-甲氧基苯(66mg,76%)。
1H NMR(400MHz,CDCl3)δ7.50–7.43(m,2H),6.92–6.86(m,2H),6.72(s,1H),3.81(s,3H).13C NMR(101MHz,CDCl3)δ160.2,130.8,129.2,121.5,113.6,102.0,55.3.
实施例64
合成(E)-1-(1,2-二溴乙烯基)-4-甲基苯(3d)
以4-甲基苯乙炔代替实施例62中的苯乙炔,其余操作一致,得到(E)-1-(1,2-二溴乙烯基)-4-甲基苯(56mg,68%)。
1H NMR(400MHz,CDCl3)δ7.41(dd,J=8.2,1.9Hz,2H),7.19(d,J=7.7Hz,2H),6.75(s,1H),2.37(s,3H).13C NMR(101MHz,CDCl3)δ139.6,134.1,129.1,129.0,121.6,102.5,21.5.
实施例65
合成(E)-1-(1,2-二溴乙烯基)-4-叔丁基苯(4d)
以4-叔丁基苯乙炔代替实施例62中的苯乙炔,其余操作一致,得到(E)-1-(1,2-二溴乙烯基)-4-叔丁基苯(75mg,79%)。
1H NMR(400MHz,CDCl3)δ7.52–7.43(m,2H),7.39(dt,J=8.8,2.4Hz,2H),6.80–6.73(m,1H),1.33(s,9H).13C NMR(101MHz,CDCl3)δ152.6,134.0,129.0,125.2,121.7,102.3,34.9,31.3.
实施例66
合成(E)-1-(1,2-二溴乙烯基)-4-氯苯(5d)
以4-氯苯乙炔代替实施例62中的苯乙炔,其余操作一致,得到(E)-1-(1,2-二溴乙烯基)-4-氯苯(63mg,71%)。
1H NMR(400MHz,CDCl3)δ7.48–7.42(m,2H),7.39–7.33(m,2H),6.81(s,1H).13CNMR(101MHz,CDCl3)δ135.4,135.4,130.6,128.6,120.0,103.8,103.8.
实施例67
合成(E)-1-(1,2-二溴乙烯基)-4-氟苯(6d)
以4-氟苯乙炔代替实施例62中的苯乙炔,其余操作一致,得到(E)-1-(1,2-二溴乙烯基)-4-氟苯(50mg,59%)。
1H NMR(400MHz,CDCl3)δ7.50(dd,J=8.4,5.3Hz,2H),7.07(t,J=8.5Hz,2H),6.80(s,1H).13C NMR(101MHz,CDCl3)δ164.1,161.6,133.1,133.0,131.3,131.2,120.3,115.5,115.3,103.4.19F NMR(376MHz,CDCl3)δ-110.5.
实施例68
合成(E)-1-(1,2-二溴乙烯基)-4-三氟甲基苯(7d)
以4-三氟甲基苯乙炔代替实施例62中的苯乙炔,其余操作一致,得到(E)-1-(1,2-二溴乙烯基)-4-三氟甲基苯(54mg,55%)。
1H NMR(400MHz,CDCl3)δ7.64(q,J=8.3Hz,4H),6.88(s,1H).13C NMR(101MHz,CDCl3)δ140.6,131.7,131.4,131.1,130.8,129.6,125.4,125.4,125.4,125.3,125.1,122.4,119.4,104.7.19F NMR(376MHz,CDCl3)δ-62.9.
实施例69
合成(E)-1-(1,2-二溴乙烯基)-4-氰基苯(8d)
以4-氰基苯乙炔代替实施例62中的苯乙炔,其余操作一致,得到(E)-1-(1,2-二溴乙烯基)-4-氰基苯(81mg,94%)。
1H NMR(400MHz,CDCl3)δ7.69(dd,J=8.3,1.7Hz,2H),7.62(dd,J=8.3,1.8Hz,2H),6.91(s,1H).13C NMR(101MHz,CDCl3)δ141.4,132.2,130.0,118.8,118.2,113.1,105.4.IR(KBr)νmax 3079,2230,1722,1592,1497,1402,1268,1167,1109,1019,963,883,839,740,696,609,562cm-1.HRMS(DART+)Calcd for C9H6Br2N(M+H)+285.8862,found:285.8859.
实施例70
合成(E)-4-(1,2-二溴乙烯基)苯甲醛(9d)
以4-乙炔基苯甲醛代替实施例62中的苯乙炔,其余操作一致,得到(E)-4-(1,2-二溴乙烯基)苯甲醛(44mg,50%)。
1H NMR(500MHz,CDCl3)δ10.05(s,1H),7.92(d,J=8.2Hz,2H),7.68(d,J=8.1Hz,2H),6.91(s,1H).13C NMR(126MHz,CDCl3)δ191.4,142.8,136.5,130.0,129.6,119.6,104.9.
实施例71
合成(E)-1-溴-2-(1,2-二溴乙烯基)苯(10d)
以2-溴苯乙炔代替实施例62中的苯乙炔,其余操作一致,得到(E)-1-溴-2-(1,2-二溴乙烯基)苯(89mg,87%)。
1H NMR(400MHz,CDCl3)δ7.62(dd,J=8.2,1.7Hz,1H),7.40–7.33(m,1H),7.31–7.20(m,2H),6.85(d,J=2.0Hz,1H).13C NMR(101MHz,CDCl3)δ138.5,133.2,130.8,130.4,127.8,122.2,119.6,107.1.
实施例72
合成(E)-2-(1,2-二溴乙烯基)萘(11d)
以2-乙炔萘代替实施例62中的苯乙炔,其余操作一致,得到(E)-2-(1,2-二溴乙烯基)萘(61mg,65%)。
1H NMR(400MHz,CDCl3)δ7.98(d,J=1.7Hz,1H),7.82(dt,J=9.2,5.1Hz,3H),7.55(dd,J=8.6,1.7Hz,1H),7.51–7.46(m,2H),6.85(s,1H).13C NMR(101MHz,CDCl3)δ134.4,133.5,132.7,129.2,128.5,128.1,127.8,127.3,126.7,126.2,121.6,103.4.
实施例73
合成(E)-3-(1,2-二溴乙烯基)噻吩(12d)
以3-乙炔基噻吩代替实施例62中的苯乙炔,其余操作一致,得到(E)-3-(1,2-二溴乙烯基)噻吩(44mg,55%)。
1H NMR(400MHz,CDCl3)δ7.79–7.74(m,1H),7.47(dd,J=5.2,1.2Hz,1H),7.31(dd,J=5.1,3.2Hz,1H),6.74(s,1H).13C NMR(101MHz,CDCl3)δ136.7,128.5,128.1,125.1,116.3,101.9.
实施例74
合成(E)-1,2-二溴庚-1-烯(13d)
以1-庚炔代替实施例62中的苯乙炔,其余操作一致,得到(E)-1,2-二溴庚-1-烯(40mg,52%)。
1H NMR(400MHz,CDCl3)δ6.40(s,1H),2.59(t,J=7.5Hz,2H),1.59(p,J=7.5Hz,2H),1.34(q,J=6.5,4.6Hz,4H),0.91(t,J=6.7Hz,3H).13C NMR(101MHz,CDCl3)δ127.1,102.1,36.9,30.5,26.7,22.4,14.0.
实施例75
合成(E)-1,2,4-三溴-1-烯(14d)
以4-溴-1-丁炔代替实施例62中的苯乙炔,其余操作一致,得到(E)-1,2,4-三溴-1-烯(58mg,66%)。
1H NMR(400MHz,CDCl3)δ6.61(s,1H),3.55(td,J=7.1,2.1Hz,2H),3.16(td,J=7.0,2.1Hz,2H).13C NMR(101MHz,CDCl3)δ122.4,105.6,39.7,28.1.
实施例76
合成(E)-6,7-二溴庚-6-烯-1-基4-甲苯磺酸酯(15d)
以庚-6-炔-1-基4-甲苯磺酸酯代替实施例62中的苯乙炔,其余操作一致,得到(E)-6,7-二溴庚-6-烯-1-基4-甲苯磺酸酯(82mg,64%)。
1H NMR(400MHz,CDCl3)δ7.83–7.76(m,2H),7.35(d,J=8.0Hz,2H),6.40(s,1H),4.04(t,J=6.4Hz,2H),2.56(t,J=7.3Hz,2H),2.45(s,3H),1.73–1.64(m,2H),1.54(p,J=7.5Hz,2H),1.36(tt,J=9.6,6.0Hz,2H).13C NMR(101MHz,CDCl3)δ144.7,133.2,129.9,127.9,126.2,102.6,70.3,36.5,28.6,26.3,24.1,21.7.IR(KBr)νmax 3086,2942,2864,1598,1456,1357,1265,1179,1101,956,908,820,739,663,561cm-1.HRMS(DART+)Calcd forC14H19Br2O3S(M+H)+424.9416,found:424.9413.
实施例77
合成(E)-(1,2-二溴丙基-1-烯-1-基)苯(16d)
以丙炔基苯代替实施例62中的苯乙炔,其余操作一致,得到(E)-(1,2-二溴丙基-1-烯-1-基)苯(82mg,99%)。
1H NMR(400MHz,CDCl3)δ7.36-7.30(m,5H),2.60(s,3H).13C NMR(101MHz,CDCl3)δ140.8,129.1,128.6,128.3,117.3,116.9,29.4.
实施例78
合成(E)-2,3-二溴-3-苯丙烯酸乙酯(17d)
以3-苯基丙酸乙酯代替实施例62中的苯乙炔,其余操作一致,得到(E)-2,3-二溴-3-苯丙烯酸乙酯(82mg,82%)。
1H NMR(400MHz,CDCl3)δ7.49–7.38(m,5H),4.41(q,J=7.1Hz,2H),1.43(t,J=7.1Hz,3H).
实施例79
合成(E)-(1,2-二溴-2-氯乙烯基)苯(18d)
以(氯乙炔)苯代替实施例62中的苯乙炔,其余操作一致,得到(E)-(1,2-二溴-2-氯乙烯基)苯(65mg,73%)。
1H NMR(400MHz,CDCl3)δ7.42–7.34(m,5H).13C NMR(101MHz,CDCl3)δ139.0,129.4,129.0,128.5,120.8,104.8.
实施例80
合成(1,2,2-三溴乙烯基)苯(19d)
以(溴乙炔)苯代替实施例62中的苯乙炔,其余操作一致,得到(1,2,2-三溴乙烯基)苯(77mg,75%)。
1H NMR(400MHz,CDCl3)δ7.42–7.33(m,5H).13C NMR(101MHz,CDCl3)δ139.5,129.3,128.7,128.5,124.6,89.9.
实施例81
合成1-氯-4-(1,2,2-三氯乙烯基)苯(20d)
以1-氯-4-(氯乙炔)苯代替实施例62中的苯乙炔,N-氯代丁二酰亚胺代替N-溴代丁二酰亚胺,其余操作一致,得到1-氯-4-(1,2,2-三氯乙烯基)苯(21mg,29%)。
1H NMR(500MHz,CDCl3)δ7.42(d,J=8.3Hz,2H),7.38(d,J=8.4Hz,2H).13CNMR(126MHz,CDCl3)δ135.6,133.9,132.9,130.4,128.7,119.9.IR(KBr)νmax 2924,1901,1585,1487,1397,1271,1093,1016,976,876,832,783,744,510,475cm-1.HRMS(EI+)Calcd forC8H4Cl4(M)+239.9062,found:239.9060.
实施例82
合成(Z)-(1,2-二氯-2-碘乙烯基)苯(21d)
以(碘乙炔)苯代替实施例62中的苯乙炔,N-氯代丁二酰亚胺代替N-溴代丁二酰亚胺,其余操作一致,得到(Z)-(1,2-二氯-2-碘乙烯基)苯(41mg,46%)。1H NMR(400MHz,CDCl3)δ7.39(s,5H).13C NMR(101MHz,CDCl3)δ139.3,133.4,129.6,129.2,128.6,69.7.IR(KBr)νmax 2922,2855,1759,1570,1447,1225,835,706,612cm-1.HRMS(DART+)Calcd forC8H5Cl2I(M)+297.8808,found:287.8806.
实施例83
合成(E)-(2-氯-1,2-二碘乙烯基)苯(22d)
以(氯乙炔)苯代替实施例62中的苯乙炔,N-碘代丁二酰亚胺代替N-溴代丁二酰亚胺,其余操作一致,得到(E)-(2-氯-1,2-二碘乙烯基)苯(85mg,73%)。
1H NMR(400MHz,CDCl3)δ7.43–7.29(m,3H),7.29–7.23(m,2H).13C NMR(101MHz,CDCl3)δ146.0,129.0,128.7,128.4,100.6,73.5.
实施例84
合成(E)-(2-溴-1,2-二碘乙烯基)苯(23d)
以(溴乙炔)苯代替实施例62中的苯乙炔,N-碘代丁二酰亚胺代替N-溴代丁二酰亚胺,其余操作一致,得到(E)-(2-溴-1,2-二碘乙烯基)苯(65mg,50%)。
1H NMR(500MHz,CDCl3)δ7.40–7.31(m,3H),7.27(d,J=1.8Hz,2H).13C NMR(126MHz,CDCl3)δ147.0,128.9,128.7,127.9,104.8,56.7.
实施例85
合成(1-氯-2-碘乙基)苯(1e)
在烧瓶中加入磁子,加入苯乙烯(31.2mg,0.3mmol)、2,2,6,6-四甲基哌啶氮氧化物(9.3mg,0.06mmol)和1,2-二氯乙烷(1.5mL),加入卤源N-氯代丁二酰亚胺(44mg,0.33mmol)、N-碘代丁二酰亚胺(74mg,0.33mmol),在30℃下搅拌24小时,反应完全后旋除溶剂,用快速柱色谱法纯化,可得到(1-氯-2-碘乙基)苯(64mg,80%)。
1H NMR(400MHz,CDCl3)δ7.38(d,J=3.4Hz,5H),5.07(dd,J=9.6,5.8Hz,1H),3.85–3.68(m,2H).13C NMR(101MHz,CDCl3)δ139.1,129.2,128.8,127.2,61.7,9.9.
实施例86
合成1-(1-氯-2-碘乙基)-4-甲苯(2e)
以4-甲基苯乙烯代替实施例85中的苯乙烯,其他操作不变,得到1-(1-氯-2-碘乙基)-4-甲苯(19mg,23%)。
1H NMR(400MHz,CDCl3)δ7.25(d,J=3.5Hz,2H),7.18(d,J=7.8Hz,2H),4.80(dd,J=9.2,3.6Hz,1H),3.52–3.33(m,2H),2.35(s,3H).13C NMR(126MHz,CDCl3)δ139.2,135.5,129.5,127.3,61.3,36.0,21.3.
实施例87
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合成1-溴-4-(1-氯-2-碘乙基)苯(3e)
以4-溴苯乙烯代替实施例85中的苯乙烯,其他操作不变,得到合成1-溴-4-(1-氯-2-碘乙基)苯(84mg,81%)。
1H NMR(400MHz,CDCl3)δ7.55–7.49(m,2H),7.28–7.23(m,2H),5.02(dd,J=10.0,5.5Hz,1H),3.82–3.63(m,2H).13C NMR(101MHz,CDCl3)δ138.2,132.0,128.9,123.2,60.6,9.4.IR(KBr)νmax 1712,1587,1486,1416,1266,1167,1072,1010,869,823,736,578cm- 1.HRMS(EI+)Calcd for C8H7BrClI(M)+343.8459,found:343.8465.
实施例88
合成1-氯-4-(1-氯-2-碘乙基)苯(4e)
以4-氯苯乙烯代替实施例85中的苯乙烯,其他操作不变,得到1-氯-4-(1-氯-2-碘乙基)苯(58mg,64%)。
1H NMR(400MHz,CDCl3)δ7.39–7.29(m,4H),5.03(dd,J=10.0,5.5Hz,1H),3.82–3.61(m,2H).13C NMR(101MHz,CDCl3)δ137.6,135.0,129.0,128.6,60.6,9.5.
实施例89
合成1-(1-氯-2-碘乙基)-4-(三氟甲基)苯(5e)
以4-三氟甲基苯乙烯代替实施例85中的苯乙烯,其他操作不变,得到1-(1-氯-2-碘乙基)-4-(三氟甲基)苯(85mg,85%)。
1H NMR(400MHz,CDCl3)δ7.66(d,J=8.1Hz,2H),7.51(d,J=8.3Hz,2H),5.09(dd,J=9.9,5.4Hz,1H),3.85–3.64(m,2H).13C NMR(126MHz,CDCl3)δ142.9,131.6,131.4,131.1,130.9,128.1,127.8,125.9,125.8,125.8,125.8,124.9,122.7,60.3,8.9.19F NMR(376MHz,CDCl3)δ-62.7.IR(KBr)νmax 1920,1620,1419,1325,1166,1127,1069,1017,912,875,839,742,580cm-1.HRMS(EI+)Calcd for C9H7ClF3I(M)+333.9228,found:333.9234.
实施例90
合成1-氯-2-碘代环辛烷(6e)
以环辛烯代替实施例85中的苯乙烯,其他操作不变,得到1-氯-2-碘代环辛烷(28mg,34%)。
1H NMR(500MHz,CDCl3)δ4.60(td,J=7.9,6.9,2.2Hz,1H),4.51–4.44(m,1H),2.36(dddd,J=15.6,8.5,3.5,1.7Hz,1H),2.31–2.23(m,1H),2.10(ddt,J=15.6,7.2,3.5Hz,1H),2.02(ddt,J=16.1,8.0,3.8Hz,1H),1.85(dtd,J=11.4,6.1,5.6,3.2Hz,1H),1.75(dt,J=9.5,4.8Hz,1H),1.72–1.66(m,2H),1.58(ddd,J=18.1,8.6,4.3Hz,2H),1.51–1.41(m,2H).13C NMR(101MHz,CDCl3)δ70.2,41.9,34.5,33.2,28.0,25.6,25.3,25.2.
实施例91
合成(2-溴-1-氯乙基)苯(7e)
以N-氯代丁二酰亚胺(1.2当量)、N-溴代丁二酰亚胺(1.2当量)作卤源,甲苯作溶剂,其他操作实施例85,得到(2-溴-1-氯乙基)苯(46mg,70%)。
1H NMR(500MHz,CDCl3)δ7.41-7.36(m,5H),5.05(dd,J=8.7,6.1Hz,1H),3.93–3.77(m,2H).13C NMR(101MHz,CDCl3)δ138.4,129.2,128.8,127.4,61.4,36.0.
实施例92
合成1-(2-溴-1-氯乙基)-4-甲苯(8e)
以4-甲基苯乙烯代替实施例85中的苯乙烯,N-氯代丁二酰亚胺(1.2当量)、N-溴代丁二酰亚胺(1.2当量)作卤源,甲苯作溶剂,其他操作不变,得到1-(2-溴-1-氯乙基)-4-甲苯(48mg,68%)。
1H NMR(500MHz,CDCl3)δ7.28(d,J=7.8Hz,2H),7.19(d,J=8.0Hz,2H),5.03(dd,J=8.8,6.1Hz,1H),3.92–3.78(m,2H),2.36(s,3H).13C NMR(101MHz,CDCl3)δ139.2,135.5,129.5,127.2,61.3,36.0,21.3.
实施例93
合成1-(2-溴-1-氯乙基)-4-溴苯(9e)
以4-溴苯乙烯代替实施例85中的苯乙烯,N-氯代丁二酰亚胺(1.2当量)、N-溴代丁二酰亚胺(1.2当量)作卤源,甲苯作溶剂,其他操作不变,得到1-(2-溴-1-氯乙基)-4-溴苯(56mg,62%)。
1H NMR(500MHz,CDCl3)δ7.52(d,J=8.4Hz,2H),7.27(d,J=8.3Hz,2H),5.00(dd,J=9.2,5.8Hz,1H),3.91–3.74(m,2H).13C NMR(101MHz,CDCl3)δ137.4,132.0,129.1,123.2,60.3,35.5.
实施例94
合成1-(2-溴-1-氯乙基)-4-氯苯(10e)
以4-氯苯乙烯代替实施例85中的苯乙烯,N-氯代丁二酰亚胺(1.2当量)、N-溴代丁二酰亚胺(1.2当量)作卤源,甲苯作溶剂,其他操作不变,得到1-(2-溴-1-氯乙基)-4-氯苯(56mg,74%)。
1H NMR(500MHz,CDCl3)δ7.35(q,J=8.6Hz,4H),5.02(dd,J=9.2,5.8Hz,1H),3.91–3.73(m,2H).13C NMR(101MHz,CDCl3)δ136.9,135.0,129.0,128.8,60.2,35.6.
实施例95
合成2-(2-溴-1-氯乙基)吡啶(11e)
以2-乙烯基吡啶代替实施例85中的苯乙烯,N-氯代丁二酰亚胺(1.2当量)、N-溴代丁二酰亚胺(1.2当量)作卤源,甲苯作溶剂,其他操作不变,得到2-(2-溴-1-氯乙基)吡啶(36mg,54%)。
1H NMR(400MHz,CDCl3)δ8.65(d,J=4.8Hz,1H),7.74(t,J=8.0Hz,1H),7.43(d,J=7.8Hz,1H),7.27(dd,J=8.1,4.0Hz,1H),5.20–5.13(m,1H),4.18(t,J=9.5Hz,1H),3.93(dd,J=10.2,5.4Hz,1H).13C NMR(101MHz,CDCl3)δ156.5,149.7,137.1,123.8,123.0,60.6,34.3.
实施例96
合成2-溴-1-氯-2,3-二氢-1H-茚(12e)
以茚代替实施例85中的苯乙烯,N-氯代丁二酰亚胺(1.2当量)、N-溴代丁二酰亚胺(1.2当量)作卤源,甲苯作溶剂,其他操作不变,得到2-溴-1-氯-2,3-二氢-1H-茚(29mg,41%)。
1H NMR(400MHz,CDCl3)δ7.46(d,J=7.0Hz,1H),7.38–7.27(m,3H),5.48(d,J=2.5Hz,1H),4.68(dt,J=5.7,2.7Hz,1H),3.81(dd,J=17.2,5.9Hz,1H),3.29(dd,J=17.2,2.9Hz,1H).13C NMR(101MHz,CDCl3)δ140.3,140.0,129.8,127.9,125.5,125.2,68.0,54.0,41.4.
实施例97
合成1-溴-4-(1,2-二氯乙基)苯(13e)
以4-溴苯乙烯代替实施例85中的苯乙烯,1,3,5-三氯-1,3,5-三嗪-2,4,6-三酮(2.4当量)作卤源,其他操作不变,得到1-溴-4-(1,2-二氯乙基)苯(36mg,40%)。
1H NMR(500MHz,Chloroform-d)δ7.52(d,J=8.4Hz,2H),7.28(d,J=8.5Hz,2H),4.95(dd,J=8.4,6.1Hz,1H),4.05–3.79(m,2H).13C NMR(126MHz,CDCl3)δ137.0,132.0,129.2,123.2,60.7,48.0.
实施例98
合成(1,2-二溴乙基)苯(14e)
以N-溴代丁二酰亚胺(2.4当量)作卤源,其他操作同实施例85,得到(1,2-二溴乙基)苯(57mg,72%)。
1H NMR(400MHz,CDCl3)δ7.43–7.32(m,5H),5.14(ddd,J=10.7,5.5,1.9Hz,1H),4.12–3.98(m,2H).13C NMR(101MHz,CDCl3)δ138.6,129.2,128.9,127.7,50.9,35.1.
实施例99
合成1,2-二溴环辛烷(15e)
以环辛烯代替实施例85中的苯乙烯,N-溴代丁二酰亚胺(2.4当量)作卤源,其他操作不变,得到1,2-二溴环辛烷(59mg,73%)。
1H NMR(400MHz,CDCl3)δ4.59(d,J=5.3Hz,2H),2.47–2.36(m,2H),2.16–2.03(m,2H),1.86(m,2H),1.73–1.54(m,4H),1.48(m,2H).13C NMR(101MHz,CDCl3)δ61.6,33.3,26.0,25.4.
实施例100-110
参考实施例62条件,以苯乙炔为原料,合成(E)-(1,2-二溴乙烯基)苯(1d),改变部分条件,对产率的具体影响见表1。
表1
表1中,产率较低的实施例中,并没检测到原料剩余,也没有检测到其他副产物。
实施例113-130
参考实施例91条件,以苯乙烯为原料,合成(2-溴-1-氯乙基)苯(7e),改变部分条件,对产率的具体影响见表2。
表2
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表2中,产率较低的实施例中,并没检测到原料剩余,检测到其他副产物(如二溴取代或二氯取代)的比例低于5%(气质联用)。
上述实施例为本发明较佳的实施方式,但本发明的实施方式并不受上述实施例的限制,其他的任何未背离本发明的精神实质与原理下所作的改变、修饰、替代、组合、简化,均应为等效的置换方式,都包含在本发明的保护范围之内。

Claims (8)

1.一种不饱和烃的卤化方法,其特征在于,包括以下步骤:将式(Ⅰ)所示不饱和烃化合物与N-氧化物、卤源混合反应,得到式(Ⅱ)所示卤化烯烃或烷烃;
其中,所述卤源为第一卤源,选自氯源、溴源或碘源中的一种,且不为单质卤素或卤素互化物;R和R’可以相同或者不相同,独立选自氢、卤素、C1~C10直链或支链烷基、C6~C14芳基、C5~C12杂芳基、苯磺酰基、苯甲酰基或酯基,R和R’还可以通过C2~C10烷基链相连成环;X1为来自第一卤源的卤素;
所述酯基为甲酯基、乙酯基、丙酯基或丁酯基;
所述R或R’上的任意一个或多个氢原子可以被取代基取代,各取代基独立选自C1~C6直链或支链烷基、C1~C6直链或支链烷氧基、C3~C10环烷基、卤素、氰基、硝基、三氟甲基或被保护的羟基;
所述氯源选自N-氯代丁二酰亚胺,1,3-二氯-5,5-二甲基海因,1,3,5-三氯-1,3,5-三嗪-2,4,6-三酮,N-氯邻苯二甲酰亚胺,N-氯代糖精或次氯酸叔丁酯;
所述溴源选自N-溴代丁二酰亚胺,1,3-二溴-5,5-二甲基海因,1,3,5-三溴-1,3,5-三嗪-2,4,6-三酮,N-溴邻苯二甲酰亚胺或N-溴代糖精;
所述碘源选自N-碘代丁二酰亚胺、N-碘代糖精或1,3-二碘-5,5-二甲基海因;
所述N-氧化物为吡啶类N-氧化物、喹啉类N-氧化物、吗啉类N-氧化物或哌啶类N-氧化物;
所述吡啶类N-氧化物选自吡啶-N-氧化物、4-硝基吡啶-N-氧化物、2-甲基-4-硝基吡啶-N-氧化物、3-甲基-4-硝基吡啶-N-氧化物、2-甲基吡啶-N-氧化物、4-甲基吡啶-N-氧化物或2,6-二氯吡啶-N-氧化物;
所述喹啉类N-氧化物选自喹啉-N-氧化物、2-甲基喹啉-N-氧化物、6-甲氧基喹啉-N-氧化物、5-硝基喹啉-N-氧化物、5,6,7,8-四氢喹啉-N-氧化物或4-溴喹啉-N-氧化物;
所述吗啉类N-氧化物选自N-甲基吗啉-N-氧化物;
所述哌啶类N-氧化物选自2,2,6,6-四甲基哌啶氮氧自由基、4-羟基-2,2,6,6-四甲基哌啶氮氧自由基、4-甲氧基-2,2,6,6-四甲基哌啶氮氧自由基或4-羰基-2,2,6,6-四甲基哌啶氮氧自由基。
2.根据权利要求1所述卤化方法,其特征在于:所述R或R’独立选自氢、卤素、C1~C5直链或支链烷基、C6~C10芳基、C5~C10杂芳基、苯磺酰基、苯甲酰基或酯基;R和R’还可以通过C4~C8烷基链相连成环;所述R或R’上的任意一个或多个氢原子可以被取代基取代,各取代基独立选自C1~C6直链或支链烷基、C1~C6直链或支链烷氧基、C3~C10环烷基、卤素、氰基、硝基、三氟甲基或被保护的羟基;
所述酯基为甲酯基、乙酯基、丙酯基或丁酯基。
3.一种不饱和烃的卤化方法,其特征在于,包括以下步骤:将式(Ⅲ)所示不饱和烃化合物与N-氧化物、卤源混合反应,得到式(Ⅳ)所示卤化烯烃或烷烃;
其中,所述卤源为第一卤源和第二卤源的混合卤源,第一卤源、第二卤源互不相同,各独立选自氯源、溴源或碘源中的一种,且不为单质卤素或卤素互化物,且第一卤源、第二卤源中其中一个是氯源;R独立选自C1~C10直链或支链烷基、C6~C14芳基、C5~C12杂芳基、苯磺酰基、苯甲酰基或酯基,所述酯基为甲酯基、乙酯基、丙酯基或丁酯基;不饱和键两侧的R还可以通过C2~C10烷基链相连成环;X1为来自第一卤源的卤素,X2为来自第二卤源的卤素;
所述R上的任意一个或多个氢原子可以被取代基取代,各取代基独立选自C1~C6直链或支链烷基、C1~C6直链或支链烷氧基、C3~C10环烷基、卤素、氰基、硝基、三氟甲基或被保护的羟基;
所述氯源选自N-氯代丁二酰亚胺,1,3-二氯-5,5-二甲基海因,1,3,5-三氯-1,3,5-三嗪-2,4,6-三酮,N-氯邻苯二甲酰亚胺,N-氯代糖精或次氯酸叔丁酯;
所述溴源选自N-溴代丁二酰亚胺,1,3-二溴-5,5-二甲基海因,1,3,5-三溴-1,3,5-三嗪-2,4,6-三酮,N-溴邻苯二甲酰亚胺或N-溴代糖精;
所述碘源选自N-碘代丁二酰亚胺、N-碘代糖精或1,3-二碘-5,5-二甲基海因;
所述N-氧化物为吡啶类N-氧化物、喹啉类N-氧化物、吗啉类N-氧化物或哌啶类N-氧化物;
所述吡啶类N-氧化物选自吡啶-N-氧化物、4-硝基吡啶-N-氧化物、2-甲基-4-硝基吡啶-N-氧化物、3-甲基-4-硝基吡啶-N-氧化物、2-甲基吡啶-N-氧化物、4-甲基吡啶-N-氧化物或2,6-二氯吡啶-N-氧化物;
所述喹啉类N-氧化物选自喹啉-N-氧化物、2-甲基喹啉-N-氧化物、6-甲氧基喹啉-N-氧化物、5-硝基喹啉-N-氧化物、5,6,7,8-四氢喹啉-N-氧化物或4-溴喹啉-N-氧化物;
所述吗啉类N-氧化物选自N-甲基吗啉-N-氧化物;
所述哌啶类N-氧化物选自2,2,6,6-四甲基哌啶氮氧自由基、4-羟基-2,2,6,6-四甲基哌啶氮氧自由基、4-甲氧基-2,2,6,6-四甲基哌啶氮氧自由基或4-羰基-2,2,6,6-四甲基哌啶氮氧自由基。
4.根据权利要求3所述卤化方法,其特征在于:所述R独立选自C1~C5直链或支链烷基、C6~C10芳基、C5~C10杂芳基、苯磺酰基、苯甲酰基或酯基;不饱和键两侧的R还可以通过C4~C8烷基链相连成环;所述R上的任意一个或多个氢原子可以被取代基取代,各取代基独立选自C1~C6直链或支链烷基、C1~C6直链或支链烷氧基、C3~C10环烷基、卤素、氰基、硝基、三氟甲基或被保护的羟基;
所述酯基为甲酯基、乙酯基、丙酯基或丁酯基。
5.一种不饱和烃的卤化方法,其特征在于,包括以下步骤:将式(Ⅰ)所示不饱和烃化合物与N-氧化物、卤源混合反应,得到式(Ⅴ)所示卤化烯烃或烷烃;
其中,所述卤源为第一卤源和第二卤源的混合卤源,第一卤源选自氯源,第二卤源选自溴源或碘源,第一卤源和第二卤源均不为卤素或卤素互化物;X1为来自第一卤源的卤素,X2为来自第二卤源的卤素;
R选自C1~C10直链或支链烷基、C6~C14芳基、C5~C12杂芳基、苯磺酰基、苯甲酰基或酯基;R’选自氢、卤素、C1~C10直链或支链烷基、C6~C14芳基、C5~C12杂芳基、苯磺酰基、苯甲酰基或酯基;R与R’不相同,且当R选自C1~C10直链或支链烷基、苯磺酰基、苯甲酰基或酯基时,R’不为C6~C14芳基或C5-C12杂芳基;
所述酯基为甲酯基、乙酯基、丙酯基或丁酯基;
所述R或R’上的任意一个或多个氢原子可以被取代基取代,各取代基独立选自C1~C6直链或支链烷基、C1~C6直链或支链烷氧基、C3~C10环烷基、卤素、氰基、硝基、三氟甲基或被保护的羟基;
所述氯源选自N-氯代丁二酰亚胺,1,3-二氯-5,5-二甲基海因,1,3,5-三氯-1,3,5-三嗪-2,4,6-三酮,N-氯邻苯二甲酰亚胺,N-氯代糖精或次氯酸叔丁酯;
所述溴源选自N-溴代丁二酰亚胺,1,3-二溴-5,5-二甲基海因,1,3,5-三溴-1,3,5-三嗪-2,4,6-三酮,N-溴邻苯二甲酰亚胺或N-溴代糖精;
所述碘源选自N-碘代丁二酰亚胺、N-碘代糖精或1,3-二碘-5,5-二甲基海因;
所述N-氧化物为吡啶类N-氧化物、喹啉类N-氧化物、吗啉类N-氧化物或哌啶类N-氧化物;
所述吡啶类N-氧化物选自吡啶-N-氧化物、4-硝基吡啶-N-氧化物、2-甲基-4-硝基吡啶-N-氧化物、3-甲基-4-硝基吡啶-N-氧化物、2-甲基吡啶-N-氧化物、4-甲基吡啶-N-氧化物或2,6-二氯吡啶-N-氧化物;
所述喹啉类N-氧化物选自喹啉-N-氧化物、2-甲基喹啉-N-氧化物、6-甲氧基喹啉-N-氧化物、5-硝基喹啉-N-氧化物、5,6,7,8-四氢喹啉-N-氧化物或4-溴喹啉-N-氧化物;
所述吗啉类N-氧化物选自N-甲基吗啉-N-氧化物;
所述哌啶类N-氧化物选自2,2,6,6-四甲基哌啶氮氧自由基、4-羟基-2,2,6,6-四甲基哌啶氮氧自由基、4-甲氧基-2,2,6,6-四甲基哌啶氮氧自由基或4-羰基-2,2,6,6-四甲基哌啶氮氧自由基。
6.根据权利要求5所述卤化方法,其特征在于:所述R选自C1~C5直链或支链烷基、C6~C10芳基、C5~C10杂芳基、苯磺酰基、苯甲酰基或酯基;
所述R’选自氢、卤素、C1~C5直链或支链烷基、C6~C10芳基、C5~C10杂芳基、苯磺酰基、苯甲酰基或酯基;
所述R或R’上的任意一个或多个氢原子可以被取代基取代,各取代基独立选自C1~C6直链或支链烷基、C1~C6直链或支链烷氧基、C3~C10环烷基、卤素、氰基、硝基、三氟甲基或被保护的羟基;
所述酯基为甲酯基、乙酯基、丙酯基或丁酯基。
7.根据权利要求1至6任一项所述卤化方法,其特征在于,反应中不饱和烃、N-氧化物、卤源的摩尔比为1.0:(0.05~2.0):(1.0~3.0)。
8.根据权利要求1至6任一项所述卤化方法,其特征在于,所述反应的温度为10~60℃;所述反应的时间12~48小时。
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