CN104447521A - 一种制备高选择性单氟烯烃的试剂 - Google Patents

一种制备高选择性单氟烯烃的试剂 Download PDF

Info

Publication number
CN104447521A
CN104447521A CN201310446231.0A CN201310446231A CN104447521A CN 104447521 A CN104447521 A CN 104447521A CN 201310446231 A CN201310446231 A CN 201310446231A CN 104447521 A CN104447521 A CN 104447521A
Authority
CN
China
Prior art keywords
group
unsubstituted
substituted
formula
phenyl
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201310446231.0A
Other languages
English (en)
Other versions
CN104447521B (zh
Inventor
胡金波
赵延川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Institute of Organic Chemistry of CAS
Original Assignee
Shanghai Institute of Organic Chemistry of CAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Institute of Organic Chemistry of CAS filed Critical Shanghai Institute of Organic Chemistry of CAS
Priority to CN201310446231.0A priority Critical patent/CN104447521B/zh
Publication of CN104447521A publication Critical patent/CN104447521A/zh
Application granted granted Critical
Publication of CN104447521B publication Critical patent/CN104447521B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/62Oxygen or sulfur atoms
    • C07D213/63One oxygen atom
    • C07D213/64One oxygen atom attached in position 2 or 6
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/26Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton
    • C07C17/263Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by condensation reactions
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06Preparation of nitro compounds
    • C07C201/12Preparation of nitro compounds by reactions not involving the formation of nitro groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C22/00Cyclic compounds containing halogen atoms bound to an acyclic carbon atom
    • C07C22/02Cyclic compounds containing halogen atoms bound to an acyclic carbon atom having unsaturation in the rings
    • C07C22/04Cyclic compounds containing halogen atoms bound to an acyclic carbon atom having unsaturation in the rings containing six-membered aromatic rings
    • C07C22/08Cyclic compounds containing halogen atoms bound to an acyclic carbon atom having unsaturation in the rings containing six-membered aromatic rings containing fluorine
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00Preparation of carboxylic acid nitriles
    • C07C253/30Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01Preparation of ethers
    • C07C41/18Preparation of ethers by reactions not forming ether-oxygen bonds
    • C07C41/30Preparation of ethers by reactions not forming ether-oxygen bonds by increasing the number of carbon atoms, e.g. by oligomerisation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/24Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D213/26Radicals substituted by halogen atoms or nitro radicals
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/62Oxygen or sulfur atoms
    • C07D213/70Sulfur atoms
    • C07D213/71Sulfur atoms to which a second hetero atom is attached
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D333/00Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/02Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
    • C07D333/04Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
    • C07D333/06Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
    • C07D333/12Radicals substituted by halogen atoms or nitro or nitroso radicals
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00Systems containing only non-condensed rings
    • C07C2601/12Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/14The ring being saturated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

本发明提供了一种制备高选择性单氟烯烃的试剂,具体地,本发明提供了一种能够高选择性地制备单氟烯烃的试剂,及使用所述试剂制备单氟烯烃的方法。本发明的方法条件温和,转化率高,可以任选地用于制备高度构型纯的Z式或E式烯烃,成本低,适合用于大规模生产。

Description

一种制备高选择性单氟烯烃的试剂
技术领域
本发明属于有机合成领域,具体地,本发明提供了一种在含氟医药、农药中间体、聚合物单体合成中制备高选择性单氟烯烃的试剂和制备方法。
背景技术
由于氟原子具有很高的电负性,因此含氟烯烃类化合物在化学性质、物理性质和生物活性方面表现出不同于一般烯烃的特点。单氟烯烃化合物既可以作为合成砌块进一步转化,也可以作为含氟聚合物材料的单体。
单氟烯基的偶极结构和电荷分布状态和酰胺基团非常接近,所以可以模拟肽键的结构,应用于机理研究和药物设计。很多生物活性物质中都含有单氟烯基这一结构。而Z式和E式单氟烯烃经常具有不同,甚至是相反的生物活性。所以制备高順反选择性的Z式和E式单氟烯烃非常重要。
把羰基转化成单氟烯烃是合成该类化合物的一种最简洁的方法,目前,本领域技术人员已经发展了一些方法。然而,这些方法的选择性不佳,经常得到的是Z式和E式单氟烯烃的混合物。由于两种单氟烯烃的性质很接近,所以利用常规的方法(例如:柱层析)分离非常困难。
综上所述,本领域尚缺乏一种制备高选择性单氟烯烃的方法。
发明内容
本发明的目的是提供一种制备高选择性单氟烯烃的试剂和方法。
本发明的第一方面,提供了一种用于制备单氟烯烃的试剂,所述试剂包括有效量的具有下式I结构的化合物:
式中,R1为选自下组的基团:取代或未取代的C1~C30的烷基,取代或未取代的C3~C30的环烷基,取代或未取代的C2~C30的烯基,取代或未取代的C6~C30的芳基,取代或未取代的C1~C30的杂芳基。
在另一优选例中,所述的R1为选自下组的基团:取代或未取代的C4~C30的烷基,取代或未取代的C6~C30的芳基,取代或未取代的C5~C30的杂芳基;
其中,所述的取代是指基团上的一个或多个氢原子被选自下组的取代基取代:C1~C10烷基、C3~C10环烷基、C1~C10烷氧基、卤素、羟基、羧基(-COOH)、C1~C10醛基、C2~C10酰基、C2~C10酯基、硝基、氨基、氰基、苯基;所述的苯基包括未取代的苯基或具有1-3个取代基的取代苯基,且所述取代基选自:卤素、C1-C10烷基、氰基、OH、硝基、C3~C10环烷基、C1~C10烷氧基、氨基。
本发明的第二方面,提供了一种制备单氟烯烃的方法,所述方法包括步骤:
在惰性溶剂中,用式I化合物与式II化合物反应,得到Z式或E式单氟烯烃;
上述各式中,
R1为选自下组的基团:取代或未取代的C1~C30的烷基,取代或未取代的C3~C30的环烷基,取代或未取代的C2~C30的烯基,取代或未取代的C6~C30的芳基,取代或未取代的C1~C30的杂芳基;
R2为选自下组的基团:取代或未取代的C1~C30的烷基,取代或未取代的C3~C30的环烷基,取代或未取代的C2~C30的烯基,取代或未取代的C6~C30的芳基,取代或未取代的C1~C30的杂芳基;
其中,所述的取代是指基团上的一个或多个氢原子被选自下组的取代基取代:C1~C10烷基、C3~C10环烷基、C1~C10烷氧基、卤素、羟基、羧基(-COOH)、C1~C10醛基、C2~C10酰基、C2~C10酯基、硝基、氨基、氰基、苯基;所述的苯基包括未取代的苯基或具有1-3个取代基的取代苯基,且所述取代基选自:卤素、C1-C10烷基、氰基、OH、硝基、C3~C10环烷基、C1~C10烷氧基、氨基。
在另一优选例中,所述的R1为选自下组的基团:取代或未取代的C4~C30的烷基,取代或未取代的C3~C30的环烷基,取代或未取代的C4~C30的烯基,取代或未取代的C6~C30的芳基,取代或未取代的C5~C30的杂芳基。
在另一优选例中,所述的R2为选自下组的基团:取代或未取代的C4~C30的烷基,取代或未取代的C3~C30的环烷基,取代或未取代的C4~C30的烯基,取代或未取代的C6~C30的芳基,取代或未取代的C5~C30的杂芳基。
在另一优选例中,所述的反应在-55℃~40℃下进行。
在另一优选例中,所述反应时间为5min~12h。
在另一优选例中,所述的惰性溶剂选自下组:DMF,DMSO、THF、HMPA、DME、DMAc,或其组合;较佳地,所述的惰性溶剂选自下组:DMF、HMPA,或其组合;和/或
所述反应在碱存在下进行,较佳地,所述的碱选自下组:tBuOK、tBuONa、NaOH、KOH、LiHMDS、NaHMDS、LiTMP、LDA、Cs2CO3,或其组合。
在另一优选例中,所述的溶剂是DMF/HMPA。
在另一优选例中,所述方法具体包括:
在-55℃下反应一段时间后,再升温至20~40℃反应一段时间。
在另一优选例中,在-55℃下反应1~6h。
在另一优选例中,在室温下反应0.5~3h。
在另一优选例中,所述的式I化合物,碱和式II化合物的摩尔比例依次为:1.0:0.5~5:0.5~3;较佳地为1.0:1.5~2:0.8~1.5。
本发明的第三方面,提供了一种Z式单氟烯烃的制备方法,所述方法包括步骤:
(a)提供一含有Z式烯烃的反应混合物,所述的反应混合物是用如本发明第二方面所述的方法制备得到;和
(b)在所述的反应混合物中加入乙醚和水,得到一包括第一液相和第二液相的混合物,其中,所述的第一液相为乙醚相,第二液相为含水相;
(c)分离乙醚相,得到Z式单氟烯烃。
在另一优选例中,所述的反应混合物的pH≥6。
在另一优选例中,所述的反应混合物的温度为≤80℃,较佳地为≤40℃。
在另一优选例中,所述方法还包括:对得到的乙醚相进行纯化。
在另一优选例中,所述的纯化步骤包括浓缩和/或柱层析。
本发明的第四方面,提供了一种E式单氟烯烃的制备方法,所述方法包括步骤:
(i)提供一含有Z式烯烃的反应混合物,所述的反应混合物是用如本发明第二方面所述的方法制备得到;
(ii)在所述的反应混合物中加入乙醚和水,得到一包括第一液相和第二液相的混合物,其中,所述的第一液相为乙醚相,第二液相为含水相;分离含水相;和
(iii)在-55℃~0℃下,在含水相相中加入酸,得到E式单氟烯烃。
在另一优选例中,所述的反应混合物在碱存在条件下制备,优选地,所述的碱选自下组:tBuOK、tBuONa、NaOH、KOH、LiHMDS、NaHMDS、LiTMP、LDA,或其组合。
在另一优选例中,所述的含水相中还含有DMF。
在另一优选例中,所述的步骤(iii)包括:
(iii-a)在-55℃~0℃下,在含水相中加入酸,形成产物混合物;
(iii-b)使产物混合物缓慢恢复室温;
(iii-c)用乙醚萃取产物混合物,分离有机相并进行纯化。
在另一优选例中,所述的纯化步骤包括浓缩和/或柱层析。
本发明的第五方面,提供了一种如式I所示的化合物,
式中,R1为选自下组的基团:取代或未取代的C2~C30的烷基、取代或未取代的苯基;
其中,所述的取代是指基团上的一个或多个氢原子被选自下组的取代基取代:C1~C10烷基、C3~C10环烷基、C1~C10烷氧基、卤素、羟基、羧基(-COOH)、C1~C10醛基、C2~C10酰基、C2~C10酯基、氨基、苯基;所述的苯基包括未取代的苯基或具有1-3个取代基的取代苯基,所述取代基选自:卤素、C1-C10烷基、氰基、OH、硝基、C3~C10环烷基、C1~C10烷氧基、氨基。
在另一优选例中,所述的取代优选为被C1~C10烷氧基取代,更优选为被甲氧基取代。
本发明的第六方面,提供了一种式I化合物的制备方法,所述方法包括步骤:
在惰性溶剂中,用式I’化合物与氟化试剂反应,得到式I化合物;
式中,R1的定义如上文中所述。
在另一优选例中,所述的反应在惰性气体保护下进行。
在另一优选例中,所述反应在ZnCl2存在下进行。
在另一优选例中,所述的氟化试剂是NFSI。
本发明的第七方面,提供了一种式I化合物的用途:
式中,R1的定义如上文中所述;
所述的式I化合物作为选择性制备Z式或E式单氟烯烃的试剂,或用于制备选择性制备Z式或E式单氟烯烃的试剂。
本发明的第八方面,提供了一种式III化合物:
其中,R1为选自下组的基团:取代或未取代的C1~C30的烷基,取代或未取代的C3~C30的环烷基,取代或未取代的C2~C30的烯基,取代或未取代的C6~C30的芳基,取代或未取代的C1~C30的杂芳基;
R2为选自下组的基团:取代或未取代的C1~C30的烷基,取代或未取代的C3~C30的环烷基,取代或未取代的C2~C30的烯基,取代或未取代的C6~C30的芳基,取代或未取代的C1~C30的杂芳基;
R3为选自下组的基团:
其中,所述的M选自下组:Li、Na、K、Rb、Cs;
所述的R4选自下组:C1-C10取代或未取代的烷基;其中,所述的取代是指基团上的一个或多个氢原子被选自下组的取代基取代:卤素、氰基、芳基、烷氧基。
在另一优选例中,所述的R3选自下组:
应理解,在本发明范围内中,本发明的上述各技术特征和在下文(如实施例)中具体描述的各技术特征之间都可以互相组合,从而构成新的或优选的技术方案。限于篇幅,在此不再一一累述。
附图说明
图1是本发明的制备方法的流程图示。
具体实施方式
本发明人经过长期而深入的研究,意外地制得了一类能够用于选择性制备Z式或E式烯烃的试剂。用所述的试剂进行单氟烯烃的制备,能够高选择性,高产率地获得构型单一的单氟烯烃,且反应条件温和,成本低,非常适合用于工业化,大规模地生产单一构型的单氟烯烃。
术语
如本文所用,术语“Z式烯烃”指两个双键原子所连的较优先的基团处在双键同侧的烯烃;术语“E式烯烃”指两个双键原子所连的较优先的基团处在双键异侧的烯烃。
术语“C1~C30烷基”指具有1~30个碳原子的直链或支链烷基,例如甲基、乙基、丙基、异丙基、丁基、异丁基、仲丁基、叔丁基、或类似基团。
术语“C3~C30环烷基”指具有3~30个碳原子的环烷基,例如环丙基、环丁基、2-甲基环丙基、环戊基、环己基、或类似基团。
术语“C2~C30烯基”指具有2~30个碳原子的烯基,例如乙烯基、丙烯基、异丙烯基、丁烯基、异丁烯基、仲丁烯基、叔丁烯基、或类似基团。
术语“C6~C30芳基”指具有6~30个碳原子的芳基,包括单环或二环芳基,例如苯基、萘基,或类似基团。
术语“C1~C30的杂芳基”指具有1~30个碳原子的杂芳基,例如吡咯基、吡啶基、呋喃基,或类似基团。
除非特别说明,术语“取代”指基团上的一个或多个氢原子被选自下组的取代基取代:C1~C10烷基、C3~C10环烷基、C1~C10烷氧基、卤素、羟基、羧基(-COOH)、C1~C10醛基、C2~C10酰基、C2~C10酯基、氨基、苯基;所述的苯基包括未取代的苯基或具有1-3个取代基的取代苯基,所述取代基选自:卤素、C1-C10烷基、氰基、OH、硝基、C3~C10环烷基、C1~C10烷氧基、氨基。
术语“卤素”指F、Cl、Br和I。
各字母缩写与中文名称对应如下:
单氟烯烃及其制备
单氟烯烃化合物既可以作为合成砌块进一步转化,也可以作为含氟聚合物材料的单体。
单氟烯基的偶极结构和电荷分布状态和酰胺基团非常接近,所以可以模拟肽键的结构,应用于机理研究和药物设计。很多生物活性物质中都含有单氟烯基这一结构。而Z式和E式单氟烯烃经常具有不同,甚至是相反的生物活性。所以制备高順反选择性的Z式和E式单氟烯烃非常重要。
本发明提供了一种单氟烯烃的制备方法,所述的方法包括:
在惰性溶剂中,用式I化合物与式II化合物反应,得到Z式或E式单氟烯烃;
上述各式中,R1为选自下组的基团:取代或未取代的C1~C30的烷基,取代或未取代的C3~C30的环烷基,取代或未取代的C2~C30的烯基,取代或未取代的C6~C30的芳基,取代或未取代的C1~C30的杂芳基;
R2为选自下组的基团:取代或未取代的C1~C30的烷基,取代或未取代的C3~C30的环烷基,取代或未取代的C2~C30的烯基,取代或未取代的C6~C30的芳基,取代或未取代的C1~C30的杂芳基;
其中,所述的取代是指基团上的一个或多个氢原子被选自下组的取代基取代:C1~C10烷基、C3~C10环烷基、C1~C10烷氧基、卤素、羟基、羧基(-COOH)、C1~C10醛基、C2~C10酰基、C2~C10酯基、硝基、氨基、氰基、苯基;所述的苯基包括未取代的苯基或具有1-3个取代基的取代苯基,且所述取代基选自:卤素、C1-C10烷基、氰基、OH、硝基、C3~C10环烷基、C1~C10烷氧基、氨基。
在另一优选例中,所述的惰性溶剂为有机溶剂,较佳地选自下组:DMF、DMSO、THF、HMPA、DME、DMAc,或其组合。
在另一优选例中,所述的反应在-55℃~40℃下进行。
在另一优选例中,所述反应时间为5min~12h。
在本发明中,较佳地,所述反应在碱存在下进行。
在另一优选例中,所述的碱选自下组:tBuOK、tBuONa、NaOH、KOH、LiHMDS、NaHMDS、LiTMP、LDA、NaHMDS、LiTMP、LDA,或其组合。
上述反应中,各反应物的比例没有一定的限制,优选所述的式I化合物,碱和式II化合物的摩尔比例依次为:1.0:0.5~5:0.5~3;较佳地为1.0:1.5~2:0.8~1.5。
较佳地,所述的反应在-55℃下反应一段时间后,再升温至20~40℃反应一段时间。
在另一优选例中,在-55℃下反应1~6h;在室温下反应0.5~3h。
高选择性制备单一构型单氟烯烃
E式、Z式的单氟烯烃由于性质接近,较难用常规手段分离,部分E式、Z式的单氟烯烃混合物甚至用HPLC也不能分离。
目前,在非含氟烯烃的制备领域,常规的方法是得到高选择性E烯烃或Z烯烃,或者得到两种烯烃的混合物。然而,对于含氟烯烃而言,很少有能够高选择性得到烯烃的方法,一般需要昂贵的过渡金属偶联反应,由于成本过高,上述方法很难得到推广。
有鉴于此,本发明提供了一种能够高选择性地制备单一构型的烯烃的方法。基本原理为:在反应进行时,首先得到Z式烯烃和式III化合物(E式烯烃的前体):
式中,R1为选自下组的基团:取代或未取代的C1~C30的烷基,取代或未取代的C3~C30的环烷基,取代或未取代的C2~C30的烯基,取代或未取代的C6~C30的芳基,取代或未取代的C1~C30的杂芳基;
R2为选自下组的基团:取代或未取代的C1~C30的烷基,取代或未取代的C3~C30的环烷基,取代或未取代的C2~C30的烯基,取代或未取代的C6~C30的芳基,取代或未取代的C1~C30的杂芳基;
R3为选自下组的基团:
其中,所述的M选自下组:Li、Na、K、Rb、Cs。
上述的式III化合物可以在合适的条件(如室温、酸存在等)下,转化为E式单氟烯烃。
由于反应的选择性很好,Z式烯烃的前体会完全转化为Z式烯烃,而式III化合物在反应条件下保持不变。在上述反应状态下,用萃取分离Z式烯烃和水溶性的E烯烃前体,得到高选择性的Z式烯烃,然后使式III化合物继续转化为E式烯烃,得到高选择性的E烯烃。
在另一优选例中,在制得上述中间体后,室温下加入R4I反应约1-5h,可以分离得到R3的式III化合物;其中,所述的R4选自下组:C1-C10取代或未取代的烷基;其中,所述的取代是指基团上的一个或多个氢原子被选自下组的取代基取代:卤素、氰基、芳基、烷氧基。
本发明采用式I所示的烯烃化试剂与醛反应,从而合成和分离单氟烯烃,所述的方法可以用下述典型操作来表述:
见图1,在-78℃-0℃,较佳地在-60℃-0℃条件下,在有机溶剂中,用一氟烷基2-吡啶基砜类化合物和醛类化合物反应。然后将体系升温至20-40℃,加入水淬灭反应,用乙醚萃取制得Z式的单氟烯基化产物。剩下的液体低温加酸得到E式的单氟烯烃。
其中,各基团的定义如上所述。
在本发明的优选例中,所述的反应溶剂选自下组:DMF,DMSO、THF、HMPA、DME、DMAc,或其组合。较佳地,所述的惰性溶剂选自下组:DMF、HMPA,或其组合。
所述的反应较佳地可以在碱的存在下进行。在本发明的优选例中,所述的碱包括(但并不限于)选自下组的碱:tBuOK、tBuONa、NaOH、KOH、LiHMDS、NaHMDS、LiTMP、LDA、Cs2CO3,或其组合等。
在另一优选例中,所述的一氟烷基2-吡啶砜类化合物(式I化合物),碱和羰基化合物(式II化合物)的摩尔比例依次为:1.0:0.5~5:0.5~3;较佳地为1.0:1.5~2:0.8~1.5。
本发明还提供了选择性地分别制备Z式和E式单氟烯烃的方法。在本发明中,Z式单氟烯烃的制备方法包括步骤:
(a)提供一含有Z式烯烃的反应混合物,所述的反应混合物是用如图1所示的方法制备得到;和
(b)在所述的反应混合物中加入乙醚,得到一包括第一液相和第二液相的混合物,其中,所述的第一液相为乙醚相,第二液相为含水相;
(c)分离乙醚相,得到Z式单氟烯烃。
在本发明中,所述方法还可以任选地包括:对得到的乙醚相进行纯化,所述的纯化步骤可以是选择任何合适的常规纯化工艺,如浓缩和/或柱层析等。
在本发明中,E式单氟烯烃的制备方法包括步骤:
(i)提供一含有Z式烯烃的反应混合物,所述的反应混合物是用如图1所示的方法制备得到;
(ii)在所述的反应混合物中加入乙醚,得到一包括第一液相和第二液相的混合物,其中,所述的第一液相为乙醚相,第二液相为含水相;分离含水相;和
(iii)在-55℃~0℃下,在含水相相中加入酸,得到E式单氟烯烃。
在另一优选例中,所述的步骤(iii)包括:
(iii-a)在-55℃~0℃下,在含水相相中加入酸,形成产物混合物;
(iii-b)使产物混合物缓慢恢复室温;
(iii-c)用乙醚萃取产物混合物,分离有机相并进行纯化。
所述的纯化步骤可以是选择任何合适的常规纯化工艺,如浓缩和/或柱层析等。
本发明的主要优点:
(1)本发明的试剂能够高效率、高产率地制备一系列构型纯的烯烃,分离方法简单,产物纯度高。
(2)本发明试剂制法简单,易于获得。
(3)本发明的方法能够广泛地应用于含氟烯烃类化合物的合成,在药物设计和合成、农药制备等领域都具有极大的应用价值。
下面结合具体实施例,进一步阐述本发明。应理解,这些实施例仅用于说明本发明而不用于限制本发明的范围。下列实施例中未注明具体条件的实验方法,通常按照常规条件,或按照制造厂商所建议的条件。除非另外说明,否则百分比和份数按重量计算。
通用方法
一氟烷基2-吡啶基砜试剂的制备可以参考文献Organic Letters,14(23),6080-6083;2012;也可以由不含氟的前体氟化制得:
不含氟的化合物前体可以由下面文献提供的方法制备:
Bulletin de la Societe Chimique de France,130(6),856-78;1993
Chemistry Letters,(12),2125-8;1984
European Journal of Medicinal Chemistry,18(3),277-85;1983
制备方法如下:
Ar气保护下,LiHMDS(25mL,1.0M in THF,25mmol,2.5equiv)滴入含有ZnCl2(2.45g,18mmol,1.8equiv)的Schleck反应器中.该混合物在室温搅拌5min,然后加入25mL THF和(2.33g,10mmol).混合物在室温搅拌0.5h,然后加入NFSI(N-氟苯基磺酰亚胺)(3.47g,11mmol,1.1equiv),继续搅拌0.5h,加入3N HCl(20mL)淬灭反应.用乙酸乙酯和水萃取,有机相用饱和食盐水洗涤。减压除去溶剂,粗产物用二氯甲烷作展开剂进行柱层析,得白色固体(1.99g,7.9mmol,产率:79%).
化合物数据:
2-((氟(苯基)甲基)磺酰基)吡啶(1a)
白色固体.MP:147 148℃.IR(KBr):3090,3068,2969,1578,1492,1456,1430,1332,1291,1257,1238,1197,1170,1155,1113,1083,1038,1025,990,929,914,850,798,777,748,733,722,695,645,616,580,556,503,443,418cm-1.1H NMR(400MHz,CDCl3)δ8.83(s,1H),8.15(d,J=7.1Hz,1H),7.99(d,J=6.7Hz,1H),7.57(d,J=26.5Hz,3H),7.54(s,3H),6.71(d,J=46.0Hz,1H).19F NMR(376MHz,CDCl3)δ 175.78(d,J=46.0Hz,1F).13C NMR(101MHz,CDCl3)δ154.87,150.60,138.23,131.13(d,J=1.3Hz),128.66,128.30(d,J=6.3Hz),127.98,126.91(d,J=19.3Hz),124.62,99.49(d,J=219.3Hz).MS(ESI,m/z):251.9(M+H+).HRMS(ESI):m/z计算值C12H10FNNaO2S(M+Na+)274.0308,实验值274.0312.
其他类似化合物可用同样方法制备。
化合物数据:
2-((氟(p-甲苯基)甲基)磺酰基)吡啶
产率:76%.白色固体.MP:139 140℃.IR(KBr):3058,2965,2929,1613,1578,1560,1513,1451,1427,1381,1328,1289,1255,1237,1184,1165,1152,1108,1081,1035,1021,991,831,777,785,752,735,637,620,605,563,549,502,479,450,417cm-1.1H NMR(400MHz,CDCl3)δ8.86–8.80(m,1H),8.16(d,J=7.8Hz,1H),7.99(td,J=7.8,1.7Hz,1H),7.61(ddd,J=7.6,4.7,1.0Hz,1H),7.50(d,J=8.0Hz,2H),7.28(d,J=8.0Hz,2H),2.40(s,3H).19F NMR(376MHz,CDCl3)δ 174.28(d,J=45.9Hz,1F).13C NMR(101MHz,CDCl3)δ154.99,150.53,141.51(d,J=1.6Hz),138.15,129.38,128.26(d,J=6.1Hz),127.87(s,9H),124.57(d,J=0.9Hz),123.76(d,J=19.5Hz),99.51(d,J=218.8Hz),21.43.MS(ESI,m/z):266.0(M+H+),288.0(M+Na+).HRMS(MALDI):m/z计算值C13H12FNNaO2S(M+Na+)288.0465,实验值288.0469.
2-(((4-溴苯基)氟代甲基)磺酰基)吡啶(1c)
产率:64%.白色固体.MP:122 123℃.IR(KBr):3076,1593,1580,1560,1489,1448,1428,1406,1329,1291,1257,1225,1164,1113,1073,1041,1013,991,850,835,818,782,750,735,675,616,584,555,511,471,437cm-1.1HNMR(400MHz,CDCl3)δ8.79(d,J=3.9Hz,1H),8.12(d,J=7.8Hz,1H),7.97(td,J=7.8,1.6Hz,1H),7.58(d,J=8.3Hz,3H),7.45(d,J=8.4Hz,2H),6.66(d,J=45.9Hz,1H).19F NMR(376MHz,CDCl3)δ 175.83(d,J=45.9Hz,1F).MS(ESI,m/z):312.0(M+H+).13C NMR(101MHz,CDCl3)δ154.52,150.59,138.29,131.92,129.75(d,J=6.3Hz),128.08,125.99,125.79,124.57(d,J=0.9Hz),98.79(d,J=219.9Hz).HRMS(MALDI):m/z计算值.ForC12H9BrFNNaO2S(M+Na+)351.9414,实验值351.9423.
2-((氟(3,4,5-三甲基苯基)甲基)磺酰基)吡啶(1g)
产率:78%.白色固体.MP:123 124℃.IR(KBr):3082,3049,2978,2941,2845,2830,1593,1588,1558,1506,1463,1451,1425,1352,1324,1252,1224,1187,1152,1132,1114,1081,1053,1004,992,979,922,854,837,795,742,706,654,629,614,573,553,526,506,469,405cm-1.1H NMR(400MHz,CDCl3)δ8.88–8.80(m,1H),8.17(d,J=7.8Hz,1H),8.01(td,J=7.8,1.6Hz,1H),7.63(dd,J=7.1,5.2Hz,1H),6.83(s,2H),6.62(d,J=45.8Hz,1H),3.88(s,6H),3.88(s,3H).19F NMR(376MHz,cdcl3)δ-172.76(d,J=45.8Hz,1F).13C NMR(101MHz,CDCl3)δ154.98,153.41,150.65,140.18,138.29,128.01,124.65,121.82(d,J=19.7Hz),105.51(d,J=6.5Hz),99.46(d,J=219.7Hz),60.88,56.22.MS(ESI,m/z):364.0(M+Na+).HRMS(ESI):m/z计算值.C15H16FNNaO5S(M+Na+)364.06254,实验值364.06304.
其他结构的含氟砜试剂的制备:
-78℃,Ar气保护下,向(5.0g,20.9mmol,1.10equiv)的THF(80mL)溶液中滴入n-BuLi(6.6mL,1.6M in Hexane,10.5mmol,1.05equiv)。-78℃下搅拌0.5h,然后加入NFSI(5.92g,18.8mmol,1.0equiv)。让反应缓慢恢复室温.用乙酸乙酯和水萃取,有机相用饱和食盐水洗涤.减压除去溶剂,粗产物用正己烷/乙酸乙酯=3:1作展开剂进行柱层析得白色固体(3.79g,14.7mmol,产率:78%).
化合物数据:
2-((环己基氟甲基)磺酰基)吡啶
白色固体.MP:66 67℃.IR(KBr):3083,3071,3049,2929,2851,2673,1576,1560,1453,1431,1409,1369,1327,1302,1265,1251,1235,1194,1165,1110,1081,1061,1047,1036,991,976,965,906,895,847,794,763,740,726,620,602,561,518,488,430,402cm-1.1H NMR(400MHz,CDCl3)δ8.69(d,J=4.0Hz,1H),8.03(d,J=7.8Hz,1H),7.91(td,J=7.7,1.2Hz,1H),7.51(dd,J=6.8,5.0Hz,1H),5.44(dd,J=47.8,5.5Hz,1H),2.42–2.22(m,1H),2.09–1.82(m,2H),1.79–1.65(m,2H),1.60(d,J=12.6Hz,1H),1.40–1.01(m,6H).19F NMR(376MHz,CDCl3)δ 185.77(dd,J=47.8,19.8Hz,1F).13C NMR(101MHz,CDCl3)δ155.12,150.27,138.04,127.66,123.75(d,J=1.1Hz),101.80(d,J=219.7Hz),36.24(d,J=17.9Hz),28.74(d,J=3.2Hz),26.41(d,J=5.8Hz),25.41,25.35,25.04.MS(ESI,m/z):258.0(M+H+).HRMS(MALDI):m/z计算值.C12H17FNO2S(M+H+)258.0959,实验值258.0967.
其他结构类似的砜也可以用同样的方法制备。
化合物数据:
2-((1-氟-2-甲基丙基)磺酰基)吡啶
产率:88%.无色油状液体.IR(film):2975,2943,2882,1580,1471,1454,1429,1331,1169,1109,1083,1041,992,737,633,597,586,561,548cm-1.1H NMR(400MHz,CDCl3)δ8.80(ddd,J=4.6,1.5,0.8Hz,1H),8.18–8.10(m,1H),8.00(td,J=7.8,1.7Hz,1H),7.60(ddd,J=7.7,4.7,1.1Hz,1H),5.54(dd,J=47.8,5.4Hz,1H),2.79–2.61(m,1H),1.29–1.20(m,6H).19F NMR(376MHz,CDCl3)δ 186.38(dd,J=47.8,21.0Hz,1F).13C NMR(101MHz,CDCl3)δ155.39,150.47,138.14,127.77,124.02(d,J=1.2Hz),102.56(d,J=220.7Hz),27.48(d,J=18.6Hz,19.12(d,J=3.8Hz),16.72(d,J=6.4Hz).MS(ESI,m/z):217.9(M+H+).HRMS(MALDI):m/z计算值C9H12FNNaO2S(M+Na+)240.0465,实验值240.0470.
2-((1-氟-3-甲基丁基)磺酰基)吡啶
无色油状液体.IR(film):3058,2962,2875,1579,1563,1470,1454,1429,1391,1372,1332,1255,1170,1112,1080,1043,992,845,774,737,618,595,578,559,520cm-1.1H NMR(400MHz,CDCl3)δ8.85–8.74(m,1H),8.13(d,J=7.8Hz,1H),7.98(td,J=7.8,1.7Hz,1H),7.59(ddd,J=7.7,4.7,1.1Hz,1H),5.90–5.56(m,1H),2.13–1.91(m,3H),1.09–0.93(m,6H).19F NMR(376MHz,CDCl3)δ 179.71~ 180.09(m,1F).13C NMR(101MHz,CDCl3)δ154.66,150.55,138.17,127.89,124.48(d,J=1.1Hz),98.94(d,J=217.8Hz),34.23(d,J=18.9Hz),24.47(d,J=1.5Hz),22.99,21.46.MS(ESI,m/z):232.0(M+H+).HRMS(ESI):m/z计算值C10H14FNNaO2S(M+Na+)254.0621,实验值254.0626.
实施例1
55℃氮气保护下,将LiHMDS(1.0M in THF)1.8mL缓慢滴入2-((氟(苯基)甲基)磺酰基)吡啶0.251克和2-萘醛0.187克的3mlDMF/HMPA(10:1)混合溶液中,搅拌3h恢复室温,继续搅拌1.5h,加入7mL水淬灭反应。用乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物白色固体0.115克(Z:E>99:1)产率46%。剩余水和DMF相中加入5mLDMF冷却至-55℃加入1克对甲苯磺酸一水合物的5mL DMF溶液,缓慢恢复室温,加入15mL水,有乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.091克(Z:E<1:99),产率37%。
化合物数据:
(Z)-2,2’-(1-氟乙烯-1,2-二取代)二萘:
白色固体.(>99:1)MP:96 98℃.IR(KBr):3055,2918,1655,1598,1505,1495,1447,1435,1325,1276,1251,1215,1177,1034,1012,968,957,951,924,906,871,848,825,766,753,692,649,620,612,514,529,479,436cm-1.1H NMR(400MHz,CDCl3)δ8.11(s,1H),7.91–7.79(m,4H),7.76–7.68(m,2H),7.55–7.35(m,5H),6.50(d,J=39.6Hz,1H).19F NMR(376MHz,CDCl3)δ 113.81(d,J=22.1Hz,1F).13C NMR(101MHz,CDCl3)δ157.40(d,J=258.9Hz),133.47,132.80(d,J=27.8Hz),132.48(d,J=1.9Hz),131.20(d,J=3.3Hz),128.99,128.58(d,J=2.2Hz),128.09,128.04,128.01,127.53,126.78(d,J=8.2Hz),126.16,126.02,124.24(d,J=7.5Hz),105.94(d,J=10.3Hz).MS(EI,m/z):248(M+,64.8),228(100.0),123(7.0),114(12.5),101(7.5).HRMS(EI):m/z计算值C18H13F(M+)248.1001,实验值248.0997.
(E)-2-(2-氟-2-苯基乙烯基)萘:
无色油状液体.(99:1)IR(film):3445,3057,2924,2851,1954,1663,1629,1601,1576,1506,1495,1466,1445,1368,1348,1334,1271,1249,1207,1182,1158,1127,1080,1056,1025,1001,950,921,906,896,863,818,787,769,748,732,696,647,624,592,550,476cm-1.1H NMR(400MHz,CDCl3)δ7.75(dd,J=6.0,3.3Hz,1H),7.69(dd,J=6.0,3.4Hz,1H),7.64(d,J=9.3Hz,2H),7.49–7.44(m,2H),7.44–7.39(m,2H),7.37–7.25(m,3H),7.22(dd,J=8.5,1.5Hz,1H),6.61(d,J=21.5Hz,1H).19F NMR(376MHz,CDCl3)δ 95.62(d,J=21.5Hz,1F).13C NMR(101MHz,CDCl3)δ158.14(d,J=246.8H),133.41,132.36,131.83(d,J=28.8Hz),131.25(d,J=12.6Hz),129.62(d,J=1.5Hz),128.31(d,J=4.9Hz),128.30,127.87,127.84,127.76,127.58,126.67(d,J=2.1Hz),126.16,125.93,109.35(d,J=31.4Hz).MS(EI,m/z):248(M+,100.0),228(93.7),220(16.0),205(27.6),196(21.0),183(29.6),165(63.4),122(41.2),109(23.1),43(34.3).HRMS(EI):m/z计算值C18H13F(M+)248.1001,实验值248.1003.
实施例2
55℃氮气保护下,将LiHMDS(1.0M in THF)2.2mL缓慢滴入2-((氟(苯基)甲基)磺酰基)吡啶0.251克和2-甲氧基苯醛0.163克的3mlDMF/HMPA(10:1)混合溶液中,搅拌3h恢复室温,继续搅拌0.5h,加入7mL水淬灭反应。用乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.115克(Z:E>99:1)产率47%。剩余水和DMF相中加入5mL DMF冷却至-55℃加入1克对甲苯磺酸一水合物的5mL DMF溶液,缓慢恢复室温,加入15mL水,有乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.060克(Z:E<3:97),产率27%。
化合物数据:
(Z)-1-(2-氟-2-苯基乙烯基)-2-甲氧基苯基:
无色油状液体.(99:1)IR(film):3075,3003,2936,2837,1652,1596,1577,1498,1485,1464,1447,1437,1334,1314,1286,1244,1196,1174,1164,1110,1076,1054,1030,1013,945,861,832,762,751,689,589,549cm-1.1H NMR(400MHz,CDCl3)δ8.01(dd,J=7.8,1.5Hz,1H),7.74–7.67(m,2H),7.46–7.34(m,3H),7.28(td,J=8.3,1.6Hz,1H),7.04(t,J=7.6Hz,1H),6.93(d,J=8.3Hz,1H),6.82(d,J=15.8Hz,1H),3.89(s,3H).19F NMR(376MHz,CDCl3)δ 116.02(d,J=23.5Hz,1F).13C NMR(101MHz,CDCl3)δ157.08(d,J=257.8Hz),156.37,133.23(d,J=28.2Hz),129.87(d,J=13.9Hz),128.67,128.44,128.42,124.24(d,J=7.5Hz),122.40(d,J=3.5Hz),120.65,110.36,99.27(d,J=8.7Hz),55.47.MS(EI,m/z):228(M+,100.0),207(15.7),183(27.5),165(69.1),122(41.2),109(22.4).HRMS(EI):m/z计算值C15H13FO(M+)228.0950,实验值228.0954.
(E)-1-(2-氟-2-苯基乙烯基)-2-甲氧基苯基:
无色油状液体.(97:3)IR(film):3445,3059,3027,3002,2931,2837,1664,1599,1578,1488,1464,1446,1436,1356,1291,1252,1208,1185,1161,1116,1051,1026,921,935,879,840,785,771,752,722,695,635,622,588,567,505,475,447,420cm-1.1H NMR(400MHz,CDCl3)δ7.44–7.37(m,2H),7.32–7.15(m,4H),7.05(d,J=7.0Hz,1H),6.87(d,J=8.3Hz,1H),6.73(t,J=7.5Hz,1H),6.53(d,J=22.0Hz,1H),3.81(s,3H).19F NMR(376MHz,CDCl3)δ 97.74(d,J=21.9Hz,1F).13C NMR(101MHz,CDCl3)δ157.57(d,J=244.8Hz),156.99(d,J=2.8Hz),132.07(d,J=29.2Hz),130.06(d,J=1.7Hz),129.13(d,J=1.2Hz),128.58,128.06,127.84(d,J=5.4Hz),122.62(d,J=12.5Hz),120.34,110.56,104.83(d,J=32.8Hz),55.37.MS(EI,m/z):228(M+,100.0),207(16.2),183(27.4),165(64.2),122(33.0),109(19.3).HRMS(EI):m/z计算值C15H13FO(M+)228.0950,实验值228.0952.
实施例3
55℃氮气保护下,将LiHMDS(1.0M in THF)1.8mL缓慢滴入2-((氟(苯基)甲基)磺酰基)吡啶0.251克和4-叔丁基苯醛0.194克的3mlDMF/HMPA(10:1)混合溶液中,搅拌3h恢复室温,继续搅拌1.0h,加入7mL水淬灭反应。用乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.117克(Z:E>99:1)产率46%。剩余水和DMF相中加入5mL DMF冷却至-55℃加入1克对甲苯磺酸一水合物的5mL DMF溶液,缓慢恢复室温,加入15mL水,有乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.079克(Z:E=1:99),产率31%。
化合物数据:
(Z)-1-(叔丁基)-4-(2-氟-2-苯基乙烯基)苯基(3c-Z):
白色固体.(99:1)MP:52 54℃.IR(KBr):3440,3043,2960,2900,2864,1945,1914,1653,1595,1506,1518,1494,1474,1412,1366,1359,1333,1322,1284,1271,1211,1200,1154,1127,1109,1074,1034,1014,911,856,833,760,687,645,624,630,558cm-1.1H NMR(400MHz,CDCl3)δ7.63(d,J=7.3Hz,2H),7.58(d,J=8.3Hz,2H),7.42–7.30(m,5H),6.29(d,J=39.8Hz,1H),1.33(s,9H).19F NMR(376MHz,CDCl3)δ 115.16(d,J=39.8Hz,1F).13C NMR(101MHz,CDCl3)δ156.77(d,J=257.4Hz),150.37(d,J=2.4Hz),132.97(d,J=27.9Hz),130.81(d,J=3.0Hz),128.73(d,J=3.2Hz),128.64,128.51(d,J=2.2Hz),125.48,124.12(d,J=7.5Hz),105.61(d,J=10.7Hz),34.58,31.23.MS(EI,m/z):254(M+,37.9),239(100.0),211(9.5),196(10.8),178(9.1),43(30.3).HRMS(EI):m/z计算值C18H19F(M+)254.1471,实验值254.1467.
(E)-1-(叔丁基)-4-(2-氟-2-苯基乙烯基)苯基(3c-E):
无色油状液体.(>99:1)IR(film):3058,3028,2964,2904,2868,1908,1665,1602,1578,1514,1495,1462,1446,1394,1409,1362,1317,1269,1224,1202,1178,1109,1077,1054,1025,922,880,853,825,771,748,734,695,589,556cm-1.1H NMR(400MHz,CDCl3)δ7.53–7.47(m,2H),7.40–7.30(m,3H),7.27(d,J=8.4Hz,2H),7.13(d,J=8.3Hz,2H),1.32(s,9H).19F NMR(376MHz,CDCl3)δ 95.88(d,J=22.0Hz,1F).13C NMR(101MHz,CDCl3)δ157.43(d,J=245.2Hz),150.06,132.11(d,J=28.9Hz),130.61(d,J=12.4Hz),129.39(d,J=1.6Hz),128.36(d,J=2.9Hz),128.27,128.26(d,J=4.8Hz),125.30,109.16(d,J=31.2Hz),34.49,31.23.MS(EI,m/z):254(M+,38.4),239(100.0),211(8.9),196(10.4),178(7.9),105(9.8).HRMS(EI):m/z计算值C18H19F(M+)254.1471,实验值254.1469.
实施例4
55℃氮气保护下,将LiHMDS(1.0M in THF)1.8mL缓慢滴入2-((氟(苯基)甲基)磺酰基)吡啶0.251克和4-溴苯醛0.220克的3mlDMF/HMPA(10:1)混合溶液中,搅拌3h恢复室温,继续搅拌1.5h,加入7mL水淬灭反应。用乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.080克(Z:E>99:1)产率29%。剩余水和DMF相中加入5mL DMF冷却至-55℃加入1克对甲苯磺酸一水合物的5mL DMF溶液,缓慢恢复室温,加入15mL水,有乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.141克(Z:E=1:99),产率51%。
化合物数据
(Z)-1-溴-4-(2-氟-2-苯基乙烯基)苯基:
白色固体.(>99:1)MP:116 117℃.IR(KBr):3056,1654,1495,1447,1401,1329,1307,1279,1197,1186,1105,1077,1035,1010,917,831,808,765,707,688,627,607,516cm-1.1H NMR(400MHz,CDCl3)δ7.63(d,J=6.7Hz,2H),7.52–7.44(m,4H),7.44–7.33(m,3H),6.24(d,J=39.0Hz,1H).19F NMR(376MHz,CDCl3)δ 113.00(d,J=39.0Hz,1F).13C NMR(101MHz,CDCl3)δ157.64(d,J=259.5Hz),132.54(d,J=3.0Hz),132.46(d,J=27.7Hz),131.65,130.36(d,J=8.3Hz),129.22,128.61(d,J=2.2Hz),124.28(d,J=7.6Hz),121.03(d,J=3.7Hz),104.74(d,J=10.4Hz).MS(EI,m/z):276(M+,15.4),256(45.6),228(100.0),196(38.7),176(35.6),165(78.1),122(46.5),109(26.4).HRMS(EI):m/z计算值C14H10BrF(M+)275.9950,实验值275.9949.
(E)-1-溴-4-(2-氟-2-苯基乙烯基)苯基:
无色油状液体.(99:1)IR(film):3059,2925,2852,1956,1902,1666,1589,1602,1589,1561,1496,1486,1446,1400,1359,1303,1272,1216,1179,1104,1072,1056,1024,1011,922,945,873,846,815,771,741,696,596,579,508,484,430cm-1.1H NMR(400MHz,CDCl3)δ7.40(d,J=6.9Hz,2H),7.36–7.25(m,5H),7.00(d,J=8.4Hz,2H),6.34(d,J=20.9Hz,1H).19F NMR(376MHz,CDCl3)δ 93.99(d,J=20.9Hz,1F).13C NMR(101MHz,CDCl3)δ158.27(d,J=248.4Hz),132.71(d,J=12.7Hz),131.53,131.43(d,J=28.6Hz),130.34(d,J=2.9Hz),129.75(d,J=1.5Hz),128.39,128.21(d,J=4.8Hz),120.87(d,J=1.1Hz),108.19(d,J=32.1Hz).MS(EI,m/z):276(M+,58.0),196(100.0),177(16.1),170(12.1),98(19.7).HRMS(EI):m/z计算值C14H10BrF(M+)275.9950,实验值275.9955.
实施例5
55℃氮气保护下,将LiHMDS(1.0M in THF)1.8mL缓慢滴入2-((氟(苯基)甲基)磺酰基)吡啶0.251克和4-三氟甲基苯醛0.209克的3ml DMF/HMPA(10:1)混合溶液中,搅拌3h恢复室温,继续搅拌1.5h,加入7mL水淬灭反应。用乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.070克(Z:E>99:1)产率26%。剩余水和DMF相中加入5mL DMF冷却至-55℃加入1克对甲苯磺酸一水合物的5mL DMF溶液,缓慢恢复室温,加入15mL水,有乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.113克(Z:E=1:99),产率42%。
化合物数据:
(Z)-1-(2-氟-2-苯基乙烯基)-4-(三氟甲基)苯基:
白色固体.(99:1)MP:110 112℃.IR(KBr):1654,1615,1496,1451,1414,1324,1283,1204,1194,1172,1157,1113,1070,1035,1011,956,919,867,856,838,831,817,767,689,675,594,515cm-1.1H NMR(400MHz,CDCl3)δ7.72(d,J=8.2Hz,2H),7.66(dd,J=7.7,1.5Hz,2H),7.61(d,J=8.3Hz,2H),7.47–7.37(m,3H),6.34(d,J=38.7Hz,1H).13C NMR(101MHz,CDCl3)δ158.68(d,J=261.4Hz),137.15,132.16(d,J=27.6Hz),129.60,128.93(d,J=8.4Hz),128.67(d,J=2.2Hz),125.41(q,J=3.8Hz),124.50(d,J=7.6Hz),124.16(q,J=271.9Hz),104.54(d,J=10.3Hz).MS(EI,m/z):266(M+,100.0),246(33.2),196(66.7),122(55.7).HRMS(EI):m/z计算值C15H10F4(M+)266.0719,实验值266.0718.
(E)-1-(2-氟-2-苯基乙烯基)-4-(三氟甲基)苯基:
无色油状液体.(>99:1)IR(film):3061,1667,1617,1495,1447,1415,1359,1326,1222,1167,1126,1068,1018,923,878,851,772,749,696,600,437cm-1.1H NMR(400MHz,CDCl3)δ7.44(d,J=8.2Hz,2H),7.40(d,J=7.2Hz,2H),7.35(d,J=7.0Hz,1H),7.33–7.28(m,2H),7.23(d,J=8.1Hz,2H),6.43(d,J=20.6Hz,1H).19F NMR(376MHz,CDCl3)δ 62.62(s,3F),   91.54(d,J=20.6Hz,1F).13C NMR(101MHz,CDCl3)δ159.35(d,J=250.5Hz),137.68(d,J=12.9Hz),131.28(d,J=28.5Hz),130.06(d,J=1.6Hz),129.00(d,J=2.9Hz),128.96(q,J=28.9Hz),128.53,128.36(d,J=4.7Hz),125.32(q,J=3.8Hz),124.09(q,J=271.9Hz),108.16(d,J=32.5Hz).MS(EI,m/z):266(M+,100.0),245(15.5),225(7.8),196(77.4),177(10.4).HRMS(EI):m/z计算值C15H10F4(M+)266.0719,实验值266.0717.
实施例6
-55℃氮气保护下,将LiHMDS(1.0M in THF)1.8mL缓慢滴入2-((氟(苯基)甲基)磺酰基)吡啶0.251克和3-硝基甲基苯醛0.181克的3mlDMF/HMPA(10:1)混合溶液中,搅拌3h恢复室温,继续搅拌1.0h,加入7mL水淬灭反应。用乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.060克(Z:E>99:1)产率25%。剩余水和DMF相中加入5mL DMF冷却至-55℃加入1克对甲苯磺酸一水合物的5mL DMF溶液,缓慢恢复室温,加入15mL水,有乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.100克(Z:E=1:99),产率41%。
化合物数据:
(Z)-1-(2-氟-2-苯基乙烯基)-3-硝基苯基(3f-Z):
白色固体.(99:1)MP:63 65℃.IR(KBr):2963,1652,1522,1495,1448,1353,1332,1262,1203,1084,1037,1021,898,833,817,808,764,734,698,683,653,629,574,534cm-1.1H NMR(400MHz,CDCl3)δ8.45(s,1H),8.11–8.03(m,1H),7.90(d,J=7.8Hz,1H),7.64(dd,J=7.7,1.8Hz,2H),7.50(t,J=8.0Hz,1H),7.47–7.38(m,3H),6.34(d,J=38.0Hz,1H).19F NMR(376MHz,CDCl3)δ 110.29(d,J=37.9Hz,1F).13C NMR(101MHz,CDCl3)δ158.99(d,J=262.0Hz),148.36,135.20(d,J=2.8Hz),134.38(d,J=8.3Hz),131.71(d,J=27.4Hz),129.79,129.33,128.68(d,J=2.2Hz),124.47(d,J=7.7Hz),123.31(d,J=8.9Hz),121.69(d,J=2.2Hz),103.65(d,J=10.0Hz).MS(ESI,m/z):243.9(M+H+).HRMS(ESI):计算值C14H10FNNaO2(M+Na+)266.05878,实验值266.05881.
(E)-1-(2-氟-2-苯基乙烯基)-3-硝基苯基(3f-E):
无色油状液体.(>99:1)IR(flm):3086,2924,2862,1662,1615,1602,1574,1530,1495,1478,1446,1353,1223,1181,1099,1086,1058,1026,1001,926,904,834,806,773,748,733,696,677,637,598,584cm-1.1H NMR(400MHz,CDCl3)δ8.01(d,J=8.5Hz,2H),7.47–7.27(m,7H),6.45(d,J=19.9Hz,1H).19F NMR(376MHz,CDCl3)δ 90.51(d,J=19.9Hz,1F).13C NMR(101MHz,CDCl3)δ159.84(d,J=252.2Hz),148.29,135.70(d,J=13.3Hz),134.61(d,J=2.8Hz),130.79(d,J=28.3Hz),130.32(d,J=1.6Hz),129.25,128.65,128.25(d,J=4.6Hz),123.50(d,J=3.2Hz),121.77(d,J=0.9Hz),107.30(d,J=33.3Hz).MS(EI,m/z):243(M+,61.2),196(100.0),183(11.5),176(21.9),170(19.0),98(16.7).HRMS(EI):m/z计算值C14H10FNO2(M+)243.0696,实验值243.0697.
实施例7
-55℃氮气保护下,将LiHMDS(1.0M in THF)1.8mL缓慢滴入2-((氟(苯基)甲基)磺酰基)吡啶0.251克和吡啶3-甲醛0.128克的3mlDMF/HMPA(10:1)混合溶液中,搅拌3h恢复室温,继续搅拌2.0h,加入7mL水淬灭反应。用乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产0.052克(Z:E>99:1)产率26%。剩余水和DMF相中加入5mL DMF冷却至-55℃加入1克对甲苯磺酸一水合物的5mL DMF溶液,缓慢恢复室温,加入15mL水,有乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.111克(Z:E=3:97),产率56%。
化合物数据:
(Z)-3-(2-氟-2-苯基乙烯基)吡啶:
白色固体.(99:1)MP:59 61℃.IR(film):3424,3029,2925,2852,1906,1664,1602,1587,1567,1496,1480,1446,1413,1361,1334,1229,1194,1172,1127,1104,1080,1058,1026,1001,952,925,873,843,803,772,740,710,697,664,621,597,579cm-1.13C NMR(101MHz,CDCl3)δ158.83(d,J=260.4Hz),149.78(d,J=6.4Hz),147.89(d,J=2.9Hz),135.34(d,J=10.5Hz),131.97(d,J=27.5Hz),129.74(d,J=3.3Hz),129.46,128.58(d,J=2.2Hz),124.32(d,J=7.6Hz),123.41,102.18(d,J=11.1Hz).1H NMR(400MHz,CDCl3)δ8.75(s,1H),8.47(d,J=2.9Hz,1H),8.02(d,J=7.5Hz,1H),7.64(d,J=6.5Hz,2H),7.40(d,J=7.1Hz,3H),7.33–7.19(m,1H),6.27(d,J=39.2Hz,1H).MS(EI,m/z):198(M+,100.0),170(14.4),151(6.4),85(4.3).HRMS(EI):m/z计算值C13H10FN[M H]+198.0719,实验值198.0720.MS(ESI,m/z):199.9(M+H+).HRMS(ESI):m/z计算值C13H11FN(M+H+)200.08700,实验值200.08761.
(E)-3-(2-氟-2-苯基乙烯基)吡啶:
无色油状液体.(97:3)IR(film):3054,3029,2923,2852,1654,1563,1491,1481,1446,1412,1340,1327,1286,1273,1245,1217,1176,1154,1105,1077,1033,1023,1010,949,930,920,847,833,825,799,769,707,690,676,629,576,517cm-1.1H NMR(400MHz,CDCl3)δ8.43–8.37(m,2H),7.45–7.37(m,3H),7.37–7.24(m,3H),7.10(dd,J=7.7,5.0Hz,1H),6.37(d,J=20.2Hz,1H).19F NMR(376MHz,CDCl3)δ 90.94(d,J=20.2Hz,1F).13C NMR(101MHz,CDCl3)δ159.42(d,J=250.9Hz),149.88(d,J=3.0Hz),148.02,135.65(d,J=2.7Hz),131.21(d,J=28.5Hz),130.10(d,J=1.1Hz),129.97(d,J=12.4Hz),128.65,128.28(d,J=4.5Hz),123.19,105.77(d,J=32.9Hz).MS(EI,m/z):198(M+,100.0),170(14.5),151(6.1),85(5.8).HRMS(EI):m/z计算值C13H10FN[M H]+198.0719,实验值198.0717.MS(ESI,m/z):200.1(M+H+).HRMS(ESI):m/z计算值C13H11FN(M+H+)200.08700,实验值200.08774.
实施例8
-55℃氮气保护下,将LiHMDS(1.0M in THF)1.8mL缓慢滴入2-((氟(苯基)甲基)磺酰基)吡啶0.251克和4-氰基苯甲醛0.157克的3mlDMF/HMPA(10:1)混合溶液中,搅拌3h恢复室温,继续搅拌1.5h,加入7mL水淬灭反应。用乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.058克(Z:E>99:1)产率26%。剩余水和DMF相中加入5mL DMF冷却至-55℃加入1克对甲苯磺酸一水合物的5mL DMF溶液,缓慢恢复室温,加入15mL水,有乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.101克(Z:E=1:99),产率45%。
化合物数据:
(Z)-4-(2-氟-2-苯基乙烯基)氰苯:
白色固体.(99:1)MP:37 39℃.IR(KBr):3040,2919,2850,2227,1648,1603,1577,1550,1515,1505,1447,1413,1336,1322,1285,1201,1176,1116,1077,1102,1037,1016,999,975,919,861,831,767,725,690,653,632,554,491cm-1.1H NMR(400MHz,CDCl3)δ7.71–7.58(m,6H),7.47–7.36(m,3H),6.30(d,J=38.4Hz,1H).19F NMR(376MHz,CDCl3)δ 109.03(d,J=38.4Hz,1F).13C NMR(101MHz,CDCl3)δ159.35(d,J=263.5Hz),138.19(d,J=3.1Hz),132.16,131.73(d,J=27.4Hz),129.87,129.10(d,J=8.7Hz),128.66(d,J=2.2Hz),124.55(d,J=7.8Hz),118.88,110.13(d,J=3.2Hz),104.28(d,J=9.8Hz).MS(EI,m/z):223(M+,100.0),208(19.0),203(13.5),183(10.4),98(9.2).HRMS(EI):m/z计算值C15H10FN(M+)223.0797,实验值223.0802.
(E)-4-(2-氟-2-苯基乙烯基)氰苯:
无色油状液体.(>99:1)IR(film):3403,3059,2924,2851,2227,1668,1605,1578,1504,1494,1446,1410,1360,1283,1222,1179,1115,1080,1057,1025,1001,924,878,851,773,741,697,589,553,530cm-1.1H NMR(400MHz,CDCl3)δ7.45(t,J=9.0Hz,2H),7.38(d,J=6.7Hz,3H),7.36–7.28(m,2H),7.22(d,J=8.3Hz,2H),6.41(d,J=20.2Hz,1H).19F NMR(376MHz,CDCl3)δ 88.96(d,J=20.1Hz,1F).13C NMR(101MHz,CDCl3)δ159.91(d,J=253.0Hz),138.81(d,J=13.1Hz),132.03,130.86(d,J=28.3Hz),130.27(d,J=1.6Hz),129.20(d,J=3.0Hz),128.54,128.29(d,J=4.5Hz),118.66,110.30(d,J=1.1Hz),107.96(d,J=32.9Hz).MS(EI,m/z):223(M+,100.0),208(22.0),203(16.3),183(12.0),98(9.4).HRMS(EI):m/z计算值C15H10FN(M+)223.0797,实验值223.0800.
实施例9
-55℃氮气保护下,将LiHMDS(1.0M in THF)1.8mL缓慢滴入2-((氟(苯基)甲基)磺酰基)吡啶0.251克和1-萘醛0.187克的3ml DMF/HMPA(10:1)混合溶液中,搅拌3h恢复室温,继续搅拌1.0h,加入7mL水淬灭反应。用乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得0.149克(Z:E>99:1)产率60%。剩余水和DMF相中加入5mL DMF冷却至-55℃加入1克对甲苯磺酸一水合物的5mL DMF溶液,缓慢恢复室温,加入15mL水,有乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.67克(Z:E=1:99),产率27%。
(Z)-1-(2-氟-2-苯基乙烯基)萘(3i-Z):
无色油状液体.(>99:1)IR(film):3455,3058,2920,1948,1815,1652,1599,1591,1508,1495,1447,1397,1328,1281,1248,1170,1142,1088,1076,1036,1023,1005,914,835,864,793,773,762,732,689,662,637,617,584,567,553,524,472,433cm-1.MS(EI,m/z):248(M+,100.0),228(86.1),223(20.4),205(19.6),170(15.1).1H NMR(400MHz,CDCl3)δ8.18(d,J=8.1Hz,1H),8.03(d,J=7.2Hz,1H),7.96–7.90(m,1H),7.86(t,J=7.4Hz,1H),7.82(d,J=7.1Hz,2H),7.64–7.55(m,3H),7.54–7.43(m,3H),7.06(d,J=36.9Hz,1H).19F NMR(376MHz,CDCl3)δ 114.89(d,J=36.9Hz,1F).13CNMR(101MHz,CDCl3)δ157.67(d,J=257.8Hz),133.64,132.79(d,J=28.2Hz),131.49,129.53(d,J=1.9Hz),129.12,128.66,128.59(d,J=2.1Hz),127.87(d,J=1.2Hz),127.47(d,J=9.4Hz),126.09,125.66,125.51,124.43(d,J=7.3Hz),123.91,102.33(d,J=12.1Hz).HRMS(EI):m/z计算值C18H13F(M+)248.1001,实验值248.1006.
(E)-1-(2-氟-2-苯基乙烯基)萘(3i-E):
(>99:1)IR(film):3058,1664,1601,1591,1578,1508,1495,1446,1397,1350,1239,1212,1182,1087,1061,1025,1013,970,920,888,864,839,801,781,770,741,729,694,651,621,596,580,437cm-1.1H NMR(400MHz,CDCl3)δ8.12(dd,J=6.1,3.3Hz,1H),7.89(dd,J=5.9,3.5Hz,1H),7.83–7.75(m,1H),7.54(dd,J=6.3,3.2Hz,2H),7.35–7.27(m,4H),7.24(t,J=7.3Hz,1H),7.17(t,J=7.6Hz,2H),6.90(d,J=21.3Hz,1H).19F NMR(376MHz,CDCl3)δ  99.41(d,J=21.3Hz,1F).13C NMR(101MHz,CDCl3)δ158.26(d,J=246.3Hz),133.65,131.93(d,J=2.9Hz),131.49(d,J=29.0Hz),131.19(d,J=12.5Hz),129.11,128.45,128.01(d,J=1.0Hz),127.85,127.60(d,J=6.2Hz),127.42(d,J=2.1Hz),126.29,126.11,125.62,124.71,106.95(d,J=30.8Hz).MS(EI,m/z):248(M+,100.0),228(33.3),205(21.2),170(16.6),122(23.6).HRMS(EI):m/z计算值C18H13F(M+)248.1001,实验值248.1006.
实施例10
-55℃氮气保护下,将LiHMDS(1.0M in THF)1.8mL缓慢滴入2-((氟(苯基)甲基)磺酰基)吡啶0.251克和2-氯苯甲醛0.169克的3mlDMF/HMPA(10:1)混合溶液中,搅拌3h恢复室温,继续搅拌0.5h,加入7mL水淬灭反应。用乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得0.077克(Z:E=99:1)产率33%。剩余水和DMF相中加入5mL DMF冷却至-55℃加入1克对甲苯磺酸一水合物的5mL DMF溶液,缓慢恢复室温,加入15mL水,有乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.86克(Z:E=1:99),产率37%。
化合物数据:
(Z)-1-氯-2-(2-氟-2-苯基乙烯基)苯基(3j-Z):
无色油状液体.(99:1)3457,3060,2922,1955,1666,1602,1592,1578,1566,1496,1471,1440,1355,1279,1219,1181,1129,1080,1063,1050,1033,946,922,879,836,772,757,743,723,695,631,597,580,455,425cm-1.1H NMR(400MHz,CDCl3)δ7.95(d,J=7.9Hz,1H),7.66(d,J=6.8Hz,2H),7.45–7.30(m,4H),7.25(t,J=7.6Hz,1H),7.18–7.12(m,1H),6.74(d,J=38.6Hz,1H).19F NMR(376MHz,CDCl3)δ 113.79(d,J=38.6Hz,1F).13CNMR(101MHz,CDCl3)δ158.11(d,J=260.9Hz),133.07,132.49(d,J=27.9Hz),131.44(d,J=3.4Hz),130.41(d,J=13.5Hz),129.44,129.35,128.57(d,J=2.2Hz),128.25(d,J=1.8Hz),126.77,124.53(d,J=7.5Hz),101.56(d,J=8.8Hz).MS(EI,m/z):232(M+,67.8),196(100.0),177(18.8),98(20.5),85(17.1).HRMS(EI):m/z计算值C14H10ClF(M+)232.0455,实验值232.0452.
(E)-1-氯-2-(2-氟-2-苯基乙烯基)苯基(3j-E):
无色油状液体.(99:1)3457,3060,2922,1955,1666,1602,1592,1578,1566,1496,1471,1440,1355,1279,1219,1181,1129,1080,1063,1050,1033,946,922,879,836,772,757,743,723,695,631,597,580,455,425cm-1.1H NMR(400MHz,CDCl3)δ7.95(d,J=7.9Hz,1H),7.66(d,J=6.8Hz,2H),7.45–7.30(m,4H),7.25(t,J=7.6Hz,1H),7.18–7.12(m,1H),6.74(d,J=38.6Hz,1H).19F NMR(376MHz,CDCl3)δ 113.79(d,J=38.6Hz,1F).13CNMR(101MHz,CDCl3)δ158.11(d,J=260.9Hz),133.07,132.49(d,J=27.9Hz),131.44(d,J=3.4Hz),130.41(d,J=13.5Hz),129.44,129.35,128.57(d,J=2.2Hz),128.25(d,J=1.8Hz),126.77,124.53(d,J=7.5Hz),101.56(d,J=8.8Hz).MS(EI,m/z):232(M+,67.8),196(100.0),177(18.8),98(20.5),85(17.1).HRMS(EI):m/z计算值C14H10ClF(M+)232.0455,实验值232.0452.
实施例11
-55℃氮气保护下,将LiHMDS(1.0M in THF)1.8mL缓慢滴入2-((氟(苯基)甲基)磺酰基)吡啶0.251克和环己基甲醛0.137克的3mlDMF/HMPA(10:1)混合溶液中,搅拌3h恢复室温,继续搅拌10h,加入7mL水淬灭反应。用乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得0.108克(Z:E=99:1)产率53%。剩余水和DMF相中加入5mL DMF冷却至-55℃加入1克对甲苯磺酸一水合物的5mL DMF溶液,缓慢恢复室温,加入15mL水,有乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.51克(Z:E=1:99),产率25%。
化合物数据:
(Z)-(2-环己基-1-氟乙烯基)苯基:
无色油状液体.(>99:1)IR(film):3060,2926,2851,1674,1601,1497,1448,1350,1330,1293,1281,1146,1075,1031,1005,962,913,892,810,783,761,690,646,623cm-1.1H NMR(400MHz,CDCl3)δ7.48(d,J=7.3Hz,2H),7.32(t,J=7.3Hz,2H),7.29–7.22(m,1H),5.26(dd,J=38.2,9.2Hz,1H),2.64(q,J=10.7Hz,1H),1.84–1.57(m,5H),1.43–1.06(m,5H).19F NMR(376MHz,CDCl3)δ 121.70(d,J=38.2Hz,1F).13C NMR(101MHz,CDCl3)δ155.33(d,J=245.3Hz),132.89(d,J=29.4Hz),128.30(d,J=2.1Hz),128.19,123.80(d,J=7.0Hz),111.97(d,J=17.1Hz),33.78(d,J=3.8Hz),33.13(d,J=1.4Hz),26.00,25.83.MS(EI,m/z):204(M+,31.2),161(15.3),147(25.4),133(16.6),122(100.0).HRMS(EI):m/z计算值C14H17F(M+)204.1314,实验值204.1318.
(E)-(2-环己基-1-氟乙烯基)苯基:
无色油状液体.(99:1)IR(film):3059,2926,2851,1679,1602,1495,1447,1369,1351,1293,1239,1184,1139,1114,1076,1043,1024,971,920,894,848,769,747,696,609,595cm-1.1H NMR(400MHz,CDCl3)δ7.44(d,J=7.0Hz,2H),7.42–7.30(m,3H),5.25(dd,J=23.0,10.7Hz,1H),2.27(d,J=7.6Hz,1H),1.84–1.59(m,5H),1.36–1.06(m,5H).19F NMR(376MHz,CDCl3)δ 103.55(d,J=23.0Hz,1F).13C NMR(101MHz,CDCl3)δ155.68(d,J=240.1Hz),132.38(d,J=30.2Hz),128.82,128.21,127.45(d,J=5.0Hz),114.48(d,J=21.9Hz),35.18(d,J=7.6Hz),33.74(d,J=2.1Hz),25.84,25.64.MS(EI,m/z):204(M+,30.4),161(18.3),147(30.1),133(19.0),122(100.0).HRMS(EI):m/z计算值C14H17F(M+)204.1314,实验值204.1312.
实施例12
-55℃氮气保护下,将LiHMDS(1.0M in THF)1.8mL缓慢滴入2-((氟(苯基)甲基)磺酰基)吡啶0.251克和特戊醛0.103克的3ml DMF/HMPA(10:1)混合溶液中,搅拌3h恢复室温,继续搅拌7h,加入7mL水淬灭反应。用乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得0.082克(Z:E=99:1)产率46%。剩余水和DMF相中加入5mL DMF冷却至-55℃加入1克对甲苯磺酸一水合物的5mL DMF溶液,缓慢恢复室温,加入15mL水,有乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.057克(Z:E=39:61),产率32%。
化合物数据:
(Z)-(1-氟-3,3-二甲基丁基-1-烯-1-基)苯基:
无色油状液体.(>99:1)IR(film):3089,3061,3040,2959,2869,1668,1602,1496,1477,1463,1448,1364,1321,1277,1257,1194,1075,1046,1015,915,822,760,690,651,626cm-1.1H NMR(400MHz,CDCl3)δ7.47(d,J=7.2Hz,2H),7.35–7.23(m,3H),5.33(d,J=43.5Hz,1H),1.24(s,9H).19F NMR(376MHz,CDCl3)δ 118.14(d,J=43.5Hz,1F).13C NMR(101MHz,CDCl3)δ155.60(d,J=250.4Hz),133.52(d,J=29.4Hz),128.30(d,J=2.1Hz),128.19,123.90(d,J=7.2Hz),115.67(d,J=12.9Hz),31.78,30.55(d,J=3.4Hz).MS(EI,m/z):178(M+,31.7),163(100.0),143(25.7),128(25.9),115(12.5),109(9.9).HRMS(EI):m/z计算值C12H15F(M+)178.1158,实验值178.1153.
(E)-(1-氟-3,3-二甲基丁基-1-烯-1-基)苯基:
无色油状液体.(61:39)IR(film):3061,2960,2931,2869,1668,1602,1579,1496,1475,1463,1448,1395,1363,1321,1277,1259,1218,1201,1167,1075,1052,1016,958,921,861,822,774,760,700,691,651,626cm-1.1H NMR(400MHz,CDCl3)δ7.43–7.34(m,5H),5.49(d,J=26.1Hz,1H),0.96(s,9H).19F NMR(376MHz,CDCl3)δ 84.90(d,J=26.1Hz,1F).13C NMR(101MHz,CDCl3)δ156.23(d,J=239.9Hz),133.36(d,J=29.6Hz),129.94(d,J=2.2Hz),129.25(d,J=3.1Hz),127.92(d,J=2.1Hz),119.18(d,J=23.6Hz),31.24(d,J=1.5Hz),30.19(d,J=8.8Hz).MS(EI,m/z):178(M+,37.2),163(100.0),143(23.8),128(25.0),115(11.6),109(9.0).HRMS(EI):m/z计算值C12H15F(M+)178.1158,实验值178.1159.
实施例13
-55℃氮气保护下,将LiHMDS(1.0M in THF)2.2mL缓慢滴入2-((氟(苯基)甲基)磺酰基)吡啶0.251克和2-苯丙醛0.61克的3mlDMF/HMPA(10:1)混合溶液中,搅拌3h恢复室温,继续搅拌20h,加入7mL水淬灭反应。用乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得0.102克(Z:E=99:1)产率46%。剩余水和DMF相中加入5mL DMF冷却至-55℃加入1克对甲苯磺酸一水合物的5mL DMF溶液,缓慢恢复室温,加入15mL水,有乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.057克(Z:E=4:96),产率32%。
化合物数据:
(Z)-(1-氟丁-1-烯-1,3-二取代)二苯:
无色油状液体.(99:1)IR(film):3085,3061,3028,2967,2929,2872,1948,1713,1674,1602,1580,1494,1448,1374,1318,1282,1232,1182,1157,1135,1076,1020,1002,993,912,833,818,760,699,691,649,627,573,545cm-1.1H NMR(400MHz,CDCl3)δ7.49(d,J=6.9Hz,2H),7.40–7.23(m,7H),7.24–7.11(m,1H),5.53(dd,J=36.6,9.6Hz,1H),4.14(dq,J=14.2,7.1Hz,1H),1.45(d,J=7.1Hz,3H).19F NMR(376MHz,CDCl3)δ-120.70(d,J=36.6Hz,1F).13C NMR(101MHz,CDCl3)δ155.56(d,J=247.1Hz),145.58(d,J=1.6Hz),132.45(d,J=29.0Hz),128.52,128.50,128.34(d,J=2.1Hz),126.85,126.20,123.98(d,J=7.0Hz),111.24(d,J=16.8Hz),34.75(d,J=4.8Hz),21.75(d,J=1.4Hz).MS(EI,m/z):226(M+,44.7),211(85.1),191(20.9),133(100.0),109(26.4),77(14.6).HRMS(EI):m/z计算值C16H15F(M+)226.1158,实验值226.1159.
(E)-(1-氟丁-1-烯-1,3-二取代)二苯:
无色油状液体.(>96:4)IR(film):3085,3061,3028,2966,2926,2869,1679,1601,1440,1446,1375,1360,1296,1266,1206,1181,1132,1091,1063,1037,1024,921,861,769,740,697,579cm-1.1H NMR(400MHz,CDCl3)δ7.42(dd,J=8.0,6.5Hz,2H),7.37(dd,J=4.9,1.6Hz,3H),7.32(t,J=7.5Hz,2H),7.28–7.16(m,3H),5.61(dd,J=21.7,11.0Hz,1H),3.76–3.65(m,1H),1.42(t,J=10.5Hz,3H).19F NMR(376MHz,CDCl3)δ 100.91(d,J=21.7Hz,1F).13C NMR(101MHz,CDCl3)δ156.28(d,J=243.0Hz),145.77(d,J=2.5Hz),131.84(d,J=29.7Hz),129.16(d,J=1.4Hz),128.63,128.25,127.73(d,J=4.6Hz),126.67,126.29,112.98(d,J=24.0Hz),36.44(d,J=8.2Hz),23.60(d,J=2.1Hz).MS(EI,m/z):226(M+,36.5),211(75.5),191(20.7),133(100.0),109(26.7),77(38.4).HRMS(EI):m/z计算值C16H15F(M+)226.1158,实验值226.1162.
实施例14
-55℃氮气保护下,将LiHMDS(1.0M in THF)1.8mL缓慢滴入2-((氟(苯基)甲基)磺酰基)吡啶0.251克和噻吩3-甲醛0.135克的3mlDMF/HMPA(10:1)混合溶液中,搅拌3h恢复室温,继续搅拌15min,加入7mL水淬灭反应。用乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得0.069克(Z:E=99:1)产率34%。剩余水和DMF相中加入5mL DMF冷却至-55℃加入1克对甲苯磺酸一水合物的5mL DMF溶液,缓慢恢复室温,加入15mL水,有乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.098克(Z:E=5:95),产率48%。
化合物数据:
(Z)-3-(2-氟-2-苯基乙烯基)噻吩:
白色固体.(99:1)MP:83 85℃.IR(KBr):3091,2358,1652,1575,1491,1446,1409,1387,1322,1280,1244,1197,1189,1157,1077,1034,1011,913,837,830,819,775,761,687,642,605,582cm-1.1H NMR(400MHz,CDCl3)δ7.61(d,J=7.3Hz,2H),7.48(d,J=1.7Hz,1H),7.43–7.27(m,5H),6.41(d,J=39.4Hz,1H).19F NMR(376MHz,CDCl3)δ 113.98(d,J=39.4Hz,1F).13C NMR(101MHz,CDCl3)δ156.35(d,J=256.0Hz),134.23(d,J=2.1Hz),132.49(d,J=27.6Hz),128.78,128.54(d,J=2.2Hz),128.26(d,J=6.4Hz),125.34,123.98(d,J=7.4Hz),123.84(d,J=8.3Hz),100.52(d,J=13.1Hz).MS(EI,m/z):204(M+,100.0),189(16.6),184(21.6),170(17.7),159(30.7),133(19.5).HRMS(EI):m/z计算值C12H9FS(M+)204.0409,实验值204.0404.
(E)-3-(2-氟-2-苯基乙烯基)噻吩:
无色油状液体(95:5)IR(film):1660,1493,1446,1412,1386,1346,1222,1181,1080,1055,1025,923,836,773,723,696,633,606,594cm-1.1H NMR(400MHz,CDCl3)δ7.51–7.42(m,2H),7.39–7.29(m,3H),7.13(dd,J=4.6,3.0Hz,1H),7.00(dd,J=9.3,8.2Hz,1H),6.76(d,J=4.9Hz,1H),6.40(d,J=20.8Hz,1H).19F NMR(376MHz,cdcl3)δ 96.19(d,J=20.8Hz,1F).13C NMR(101MHz,CDCl3)δ157.94(d,J=246.3Hz),133.96(d,J=12.3Hz),132.00(d,J=28.6Hz),129.63(d,J=1.7Hz),128.31(d,J=0.7Hz),128.26,127.44(d,J=2.2Hz),125.34,123.13(d,J=5.0Hz),104.15(d,J=33.4Hz).MS(EI,m/z):204(M+,100.0),189(16.7),184(18.1),170(18.1),159(30.1),133(18.0).HRMS(EI):m/z计算值C12H9FS(M+)204.0409,实验值204.0406.
实施例15
-55℃氮气保护下,将LiHMDS(1.0M in THF)1.8mL缓慢滴入2-((氟(苯基)甲基)磺酰基)吡啶0.251克和肉桂醛0.159克的3mlDMF/HMPA(10:1)混合溶液中,搅拌3h升至-10℃,-10℃继续搅拌12h,加入7mL水淬灭反应。用乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得0.038克(Z:E=93:7)产率17%。剩余水和DMF相中加入5mL DMF冷却至-55℃加入1克对甲苯磺酸一水合物的5mL DMF溶液,缓慢恢复室温,加入15mL水,有乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.101克(Z:E=3:97),产率45%。
化合物数据:
((1Z,3E)-1-氟丁-1,3-二烯-1,4-二取代)二苯:
白色固体.(93:7)MP128 130℃.IR(KBr):3060,3037,3019,2997,1950,1829,1634,1614,1592,1488,1444,1330,1320,1279,1226,1188,1150,1073,1032,1001,994,982,965,911,863,831,792,763,748,686,653,618,613,514,484,453,438cm-1.1H NMR(400MHz,CDCl3)δ7.57(d,J=7.7Hz,2H),7.46(d,J=7.6Hz,2H),7.41–7.16(m,7H),6.65(d,J=15.8Hz,1H),6.26(dd,J=34.8,11.0Hz,1H).19F NMR(376MHz,CDCl3)δ 117.61(d,J=34.8Hz,1F).13C NMR(101MHz,CDCl3)δ157.00(d,J=255.6Hz),137.25(d,J=1.6Hz),132.25(d,J=3.7Hz),131.97(d,J=27.3Hz),128.86,128.63,128.55(d,J=2.5Hz),127.68,126.45(d,J=0.9Hz),123.91(d,J=7.4Hz),120.89(d,J=5.7Hz),106.90(d,J=14.0Hz).MS(EI,m/z):224(M+,100.0),209(25.3),202(52.7),146(61.6),133(36.3),109(32.4),91(34.4).HRMS(EI):m/z计算值C16H13F(M+)224.1001,实验值224.1003.
((1E,3E)-1-氟丁-1,3-二烯-1,4-二取代)二苯:
无色油状液体.(97:3)IR(film):3056,1489,1445,1320,1279,1001,966,863,792,763,749,687,654,613,456cm-1.1H NMR(400MHz,CDCl3)δ7.55(d,J=7.2Hz,2H),7.47–7.37(m,3H),7.36–7.30(m,2H),7.27(t,J=7.5Hz,2H),7.17(dd,J=20.8,13.8Hz,1H),6.96(dd,J=15.5,11.5Hz,1H),6.62(d,J=15.6Hz,1H),6.24(dt,J=19.9,9.9Hz,1H).19F NMR(376MHz,CDCl3)δ 99.20(d,J=19.8Hz,1F).13C NMR(101MHz,CDCl3)δ159.27(d,J=248.8Hz),137.29,133.28(d,J=10.0Hz),131.97(d,J=28.3Hz),129.54,128.70,128.54,128.04(d,J=5.0Hz),127.63,126.35,122.47(d,J=9.6Hz),110.42(d,J=31.0Hz).MS(EI,m/z):224(M+,100.0),220(53.9),146(65.4),115(30.9),109(34.4),91(41.3),77(38.4).HRMS(EI):m/z计算值C16H13F(M+)224.1001,实验值224.1004.
实施例16
-55℃氮气保护下,将LiHMDS(1.0M in THF)1.8mL缓慢滴入0.265克和2-萘醛0.187克的3ml DMF/HMPA(10:1)混合溶液中,搅拌3h升至室温,室温继续搅拌0.5h,加入7mL水淬灭反应。用乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得0.139克(Z:E=99:1)产率53%。剩余水和DMF相中加入5mL DMF冷却至-55℃加入1克对甲苯磺酸一水合物的5mL DMF溶液,缓慢恢复室温,加入15mL水,有乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.084克(Z:E=1:99),产率32%。
化合物数据:
(Z)-2-(2-氟-2-(p-甲苯基)乙烯基)萘:
白色固体.(>99:1)MP:121 122℃.IR(KBr):3051,2911,1911,1648,1591,1513,1410,1364,1323,1278,1252,1211,1189,1176,1147,1126,1026,1012,973,950,905,872,821,739,712,650,640,618,597,532,509,481,443cm-1.1H NMR(400MHz,CDCl3)δ7.99(s,1H),7.75(s,4H),7.51(d,J=8.0Hz,2H),7.43–7.34(m,2H),7.14(d,J=7.8Hz,2H),6.34(d,J=39.8Hz,1H),2.31(s,3H).19F NMR(376MHz,CDCl3)δ 113.41(d,J=39.8Hz,1F).13C NMR(101MHz,CDCl3)δ157.64(d,J=258.7Hz),139.08,133.49,132.37,131.40(d,J=3.2Hz),129.99(d,J=27.9Hz),129.27(d,J=2.0Hz),128.04,127.97,127.83(d,J=8.1Hz),127.50,126.78(d,J=8.2Hz),126.09,125.87,124.17(d,J=7.5Hz),105.05(d,J=10.4Hz),21.26.MS(EI,m/z):262(M+,100.0),246(45.1),242(16.3),130(9.4),123(10.7).HRMS(EI):m/z计算值C19H15F(M+)262.1158,实验值262.1160.
(E)-2-(2-氟-2-(p-甲苯基)乙烯基)萘:
白色固体.(>99:1)MP:71 72℃.IR(KBr):3066,3051,2923,1667,1610,1512,1506,1363,1331,1274,1184,1171,1125,1056,1019,966,948,906,898,868,845,829,818,781,768,740,724,685,649,642,590,542,480,471,411cm-1.1H NMR(400MHz,CDCl3)δ7.71(dd,J=10.1,6.9Hz,1H),7.68–7.55(m,3H),7.39(dd,J=6.0,3.1Hz,2H),7.34(d,J=8.0Hz,2H),7.22(d,J=8.4Hz,1H),7.05(d,J=7.8Hz,2H),6.54(d,J=21.5Hz,1H),2.30(s,3H).19F NMR(376MHz,CDCl3)δ 94.95(d,J=21.5Hz,1F).13C NMR(101MHz,CDCl3)δ158.34(d,J=246.6Hz),139.73(d,J=1.4Hz),133.42,132.31,131.47(d,J=12.7Hz),128.98,128.94(d,J=28.9Hz),128.18(d,J=5.0Hz),127.79,127.75,127.72,127.55,126.67(d,J=2.0Hz),126.09,125.83,108.73(d,J=31.9Hz),21.38.MS(EI,m/z):262(M+,100.0),246(69.8),226(16.6),220(14.7),123(18.2),110(11.6).HRMS(EI):m/z计算值C19H15F(M+)262.1158,实验值262.1153.
实施例17
-55℃氮气保护下,将LiHMDS(1.0M in THF)1.8mL缓慢滴入0.330克和2-萘醛0.187克的3ml DMF/HMPA(10:1)混合溶液中,搅拌3h升至室温,室温继续搅拌2h,加入7mL水淬灭反应。用乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得0.111克(Z:E=99:1)产率34%。剩余水和DMF相中加入5mL DMF冷却至-55℃加入1克对甲苯磺酸一水合物的5mL DMF溶液,缓慢恢复室温,加入15mL水,用乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.108克(Z:E=1:99),产率33%。
化合物数据:
(Z)-2-(2-(4-溴苯基)-2-氟乙烯基)萘:
白色固体.(>99:1)MP:152 154℃.IR(KBr):3054,1915,1652,1584,1488,1400,1361,1314,1301,1278,1250,1175,1074,1016,1002,975,957,902,871,837,824,748,530,500,482cm-1.1H NMR(400MHz,CDCl3)δ8.05(s,1H),7.88–7.55(m,4H),7.54(s,4H),7.51–7.42(m,2H),6.45(d,J=39.4Hz,1H).19F NMR(376MHz,CDCl3)δ 114.44(d,J=39.4Hz,1F).13C NMR(101MHz,CDCl3)δ156.47(d,J=258.4Hz),133.46,132.59,131.81(d,J=1.8Hz),131.79(d,J=28.4Hz),130.86(d,J=3.2Hz),128.27(d,J=8.1Hz),128.15,127.57,126.69(d,J=8.3Hz),126.28,126.21,125.78,125.70,123.13,106.56(d,J=10.2Hz).MS(EI,m/z):328(M+,42.4),273(100.0),246(53.8),226(39.6),211(42.0),133(74.6),127(37.3),122(43.9).HRMS(EI):m/z计算值C18H12BrF(M+)326.0106,实验值326.0103.
(E)-2-(2-(4-溴苯基)-2-氟乙烯基)萘:
白色固体.(>99:1)MP:82 84℃.IR(KBr):3064,3052,1667,1595,1588,1506,1458,1465,1393,1368,1332,1274,1187,1145,1125,1071,1059,1012,966,949,908,897,870,842,831,785,774,753,738,720,647,641,629,611,578,568,519,481,471,417,407cm-1.1H NMR(400MHz,CDCl3)δ7.74(dd,J=5.5,3.3Hz,1H),7.71–7.59(m,3H),7.42(dd,J=6.0,3.2Hz,2H),7.37(d,J=8.3Hz,2H),7.29(d,J=8.4Hz,2H),7.19(d,J=8.5Hz,1H),6.62(d,J=21.4Hz,1H).19F NMR(376MHz,CDCl3)δ 97.26(d,J=21.3Hz,1F).13C NMR(101MHz,CDCl3)δ156.79(d,J=246.2Hz),133.25,132.30,131.40,130.70(d,J=2.7Hz),130.49(d,J=19.9Hz),129.62(d,J=5.1Hz),127.93,127.80(d,J=3.7Hz),127.63,127.48,126.31(d,J=2.1Hz),126.18,126.01,123.66(d,J=1.7Hz),109.87(d,J=30.8Hz).MS(EI,m/z):328(M+,70.5),246(100.0),226(28.4),220(21.5),123(42.1),110(27.0).HRMS(EI):m/z计算值C18H12BrF(M+)326.0106,实验值326.0110.
实施例18
-55℃氮气保护下,将LiHMDS(1.0M in THF)1.8mL缓慢滴入0.257克和2-萘醛0.187克的3ml DMF/HMPA(10:1)混合溶液中,搅拌6h升至室温,室温继续搅拌3h,加入7mL水淬灭反应。用乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得0.114克(Z:E=97:3)产率45%。剩余水和DMF相中加入5mL DMF冷却至-55℃加入1克对甲苯磺酸一水合物的5mLDMF溶液,缓慢恢复室温,加入15mL水,有乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.046克(Z:E=3:97),产率18%。
化合物数据:
(Z)-2-(2-环己基-2-氟乙烯基)萘:
白色固体.(97:3)MP:42 44℃.IR(KBr):3048,2930,2851,1678,1626,1593,1407,1450,1326,1292,1274,1231,1215,1165,1144,1123,1015,1004,993,969,951,921,906,892,869,837,825,806,770,744,690,654,621,480,473cm-1.1H NMR(400MHz,cdcl3)δ7.86(s,1H),7.74(t,J=6.9Hz,3H),7.65–7.59(m,1H),7.43–7.32(m,2H),5.53(d,J=40.7Hz,1H),2.24(dt,J=23.1,7.0Hz,1H),1.94(t,J=12.2Hz,2H),1.79(d,J=11.0Hz,2H),1.68(d,J=12.0Hz,1H),1.43–1.10(m,6H).19F NMR(376MHz,CDCl3)δ 104.50(dd,J=40.7,15.6Hz,1F).13C NMR(101MHz,CDCl3)δ165.40(d,J=268.6Hz),133.48,132.11(d,J=1.8Hz),131.56(d,J=2.4Hz),127.86,127.74,127.44,127.00(d,J=7.6Hz),126.67(d,J=7.7Hz),125.91,125.51,103.65(d,J=8.8Hz),41.58(d,J=24.6Hz),30.01(d,J=2.2Hz),25.91,25.85.MS(EI,m/z):254(M+,100.0),211(14.2),197(54.9),183(32.1),172(65.5),165(28.9),141(28.6),128(40.0).HRMS(EI):m/z计算值C18H19F(M+)254.1471,实验值254.1476.
(E)-2-(2-环己基-2-氟乙烯基)萘:
白色固体.(97:3)MP:64 65℃.IR(KBr):3056,2936,2852,1672,1594,1508,1453,1375,1353,1324,1181,1153,1129,1123,996,966,952,923,905,862,830,819,790,760,748,653,596,559,485,470cm-1.1H NMR(400MHz,CDCl3)δ7.82(d,J=8.0Hz,3H),7.64(s,1H),7.56–7.42(m,2H),7.33(d,J=8.4Hz,1H),6.27(d,J=22.0Hz,1H),2.87–2.61(m,1H),1.85(d,J=12.5Hz,4H),1.74–1.56(m,3H),1.37–1.18(m,3H).19F NMR(376MHz,CDCl3)δ 109.42(dd,J=32.3,22.1Hz,1F).13C NMR(101MHz,CDCl3)δ166.51(d,J=256.6Hz),133.50,132.18,132.01(d,J=14.2Hz),128.04,127.81,127.68,127.08(d,J=3.0Hz),127.01(d,J=2.3Hz),126.29,125.83,106.67(d,J=29.4Hz),38.03(d,J=25.1Hz),29.45,25.93,25.75.MS(EI,m/z):254(M+,100.0),211(14.1),197(58.0),183(30.4),172(71.8),165(31.0),141(34.4),128(44.3).HRMS(EI):m/z计算值C18H19F(M+)254.1471,实验值254.1469.
实施例19
-55℃氮气保护下,将LiHMDS(1.0M in THF)1.8mL缓慢滴入0.217克和2-萘醛0.187克的3ml DMF/HMPA(10:1)混合溶液中,搅拌3h升至室温,室温继续搅拌2h,加入7mL水淬灭反应。用乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得0.103克(Z:E=97:3)产率48%。剩余水和DMF相中加入5mL DMF冷却至-55℃加入1克对甲苯磺酸一水合物的5mLDMF溶液,缓慢恢复室温,加入15mL水,有乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.051克(Z:E=4:96),产率24%。
化合物数据:
(Z)-2-(2-氟-3-甲基丁基-1-烯-1-基)萘:
白色固体.(>97:3)MP:48 50℃.IR(KBr):3052,2967,2931,2870,1684,1627,1593,1508,1469,1369,1361,1300,1273,1216,1193,1177,1118,1040,1015,970,951,919,903,867,823,746,659,621,481,472cm-1.1H NMR(400MHz,CDCl3)δ7.87(s,1H),7.74(t,J=6.3Hz,3H),7.63(dd,J=8.6,1.1Hz,1H),7.45–7.32(m,2H),5.58(d,J=40.2Hz,1H),2.56(ddq,J=20.5,13.7,6.8Hz,1H),1.19(d,J=6.9Hz,6H).13C NMR(101MHz,CDCl3)δ166.05(d,J=268.8Hz),133.49,132.16(d,J=1.8Hz),131.47(d,J=2.4Hz),127.89,127.79,127.46,127.04(d,J=7.5Hz),126.64(d,J=7.7Hz),125.95,125.57,103.44(d,J=8.9Hz),32.10(d,J=25.8Hz),19.73(d,J=2.7Hz).MS(EI,m/z):214(M+,100.0),199(94.9),183(52.9),179(81.8),165(20.3),152(19.0),128(30.7).HRMS(EI):m/z计算值C15H15F(M+)214.1158,实验值214.1155.
(E)-2-(2-氟-3-甲基丁基-1-烯-1-基)萘:
白色固体.MP:44 46℃.IR(KBr):3051,2966,2931,2871,1676,1595,1507,1468,1443,1435,1364,1330,1310,1295,1272,1263,1243,1183,1159,1149,1126,1097,1035,1026,968,960,950,915,907,866,847,786,771,754,747,654,619,607,551,526,476,432,407cm-1.1H NMR(400MHz,CDCl3)δ7.82(d,J=7.8Hz,3H),7.66(s,1H),7.54–7.43(m,2H),7.39–7.30(m,1H),6.28(d,J=21.8Hz,1H),3.25–3.01(m,1H),1.26(d,J=6.9Hz,6H).19F NMR(376MHz,CDCl3)δ 114.09(dd,J=33.2,21.8Hz,1F).13CNMR(101MHz,CDCl3)δ166.68(d,J=257.8Hz),133.35,132.06,131.79(d,J=14.2Hz),127.93,127.67,127.58,126.97(d,J=3.0Hz),126.90(d,J=2.4Hz),126.20,125.74,106.25(d,J=29.2Hz),27.91(d,J=26.3Hz),19.38.MS(EI,m/z):214(M+,97.3),199(100.0),183(56.7),179(93.8),165(21.8),152(20.2),128(36.0).HRMS(EI):m/z计算值C15H15F(M+)214.1158,实验值214.1160.
实施例20
-55℃氮气保护下,将LiHMDS(1.0M in THF)1.8mL缓慢滴入0.231克和2-萘醛0.187克的3ml DMF/HMPA(10:1)混合溶液中,搅拌8h升至室温,室温继续搅拌3h,加入7mL水淬灭反应。用乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得0.100克(Z:E=89:11)产率44%。剩余水和DMF相中加入5mL DMF冷却至-55℃加入1克对甲苯磺酸一水合物的5mLDMF溶液,缓慢恢复室温,加入15mL水,有乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.062克(Z:E=16:84),产率27%。
化合物数据:
(Z)-2-(2-氟-4-甲基戊-1-烯-1-基)萘:
无色油状液体.(89:11)IR(film):3056,2958,2932,2899,2870,1685,1630,1598,1507,1465,1426,1386,1368,1341,1318,1288,1271,1216,1158,1142,1128,1096,1018,948,963,917,895,862,847,818,744,674,648,622,474cm-1.1H NMR(400MHz,CDCl3)δ7.84(d,J=14.6Hz,1H),7.74(d,J=8.0Hz,3H),7.66–7.57(m,1H),7.45–7.34(m,2H),5.56(d,J=39.3Hz,1H),2.19(dd,J=21.3,7.1Hz,2H),2.05–1.94(m,1H),0.99(d,J=6.6Hz,6H).19F NMR(376MHz,CDCl3)δ 99.41(dt,J=39.9,21.3Hz,1F).13CNMR(101MHz,CDCl3)δ160.93(d,J=267.7Hz),133.68,132.37,131.63(d,J=2.4Hz),128.07,127.98,127.65,127.11(d,J=7.5Hz),126.73(d,J=7.7Hz),126.16,125.78,107.16(d,J=8.8Hz),42.60(d,J=25.7Hz),26.28,22.37.MS(EI,m/z):228(M+,50.4),185(100.0),170(10.9),165(60.0).HRMS(EI):m/z计算值C16H17F(M+)228.1314,实验值228.1318.
(E)-2-(2-氟-4-甲基戊-1-烯-1-基)萘:
无色油状液体.(84:16)IR(film):3057,2959,2929,2871,1682,1630,1600,1507,1465,1428,1386,1369,1320,1270,1179,1152,1140,1078,1018,968,948,917,863,846,816,775,756,742,650,557,475cm-1.1H NMR(400MHz,CDCl3)δ7.82(d,J=7.9Hz,3H),7.69(s,1H),7.57–7.44(m,2H),7.38(d,J=8.4Hz,1H),6.44(d,J=22.3Hz,1H),2.46(dd,J=23.4,7.2Hz,2H),2.15–2.07(m,1H),1.02(d,J=6.7Hz,6H).19F NMR(376MHz,CDCl3)δ 96.10(q,J=23.1Hz,1F).13C NMR(101MHz,CDCl3)δ162.40(d,J=253.6Hz),133.51,132.22,131.97(d,J=14.1Hz),128.03,127.82,127.70,127.23(d,J=3.0Hz),126.98(d,J=2.2Hz),126.30,125.85,109.22(d,J=29.2Hz),37.94(d,J=26.2Hz),26.30,22.44.MS(EI,m/z):228(M+,47.5),185(100.0),170(11.1),165(60.4).HRMS(EI):m/z计算值C16H17F(M+)228.1314,实验值228.1317.
实施例21
-55℃氮气保护下,将LiHMDS(1.0M in THF)1.8mL缓慢滴入0.341克和对甲氧基苯甲醛0.163克的3ml DMF/HMPA(10:1)混合溶液中,搅拌3h升至室温,室温继续搅拌0.5h,加入7mL水淬灭反应。用乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得0.146克(Z:E=99:1)产率46%。剩余水和DMF相中加入5mL DMF冷却至-55℃加入1克对甲苯磺酸一水合物的5mL DMF溶液,缓慢恢复室温,加入15mL水,有乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.064克(Z:E=2:98),产率20%。
化合物数据:
(Z)-5-(1-氟-2-(4-甲氧基苯基)乙烯基)-1,2,3-三甲基苯基:
白色固体.(>99:1)MP:64 65℃.IR(KBr):3006,2989,2952,2837,1607,1585,1515,1464,1448,1414,1344,1303,1286,1245,1184,1169,1153,1133,1067,1032,996,922,912,858,846,826,795,774,662,547,527cm-1.1H NMR(400MHz,CDCl3)δ7.56(d,J=8.4Hz,2H),6.90(d,J=8.4Hz,2H),6.82(s,2H),6.16(d,J=39.8Hz,1H),3.90(s,3H),3.87(s,3H),3.81(s,3H).19F NMR(376MHz,CDCl3)δ 115.73(d,J=39.8Hz,1F).13C NMR(101MHz,CDCl3)δ158.77(d,J=3.0Hz),155.72(d,J=255.4Hz),153.27(d,J=1.8Hz),138.71,130.15(d,J=8.1Hz),128.64(d,J=28.4Hz),126.30(d,J=3.0Hz),114.02,105.09(d,J=11.3Hz),101.43(d,J=7.7Hz),60.92,56.16,55.21.MS(EI,m/z):318(M+,100.0).HRMS(EI):m/z计算值C18H19FO4(M+)318.1267,实验值318.1269.
(E)-5-(1-氟-2-(4-甲氧基苯基)乙烯基)-1,2,3-三甲基苯基:
黄色油状液体.(>98:2)IR(film):3000,2939,2838,1660,1609,1583,1511,1464,1415,1372,1291,1244,1178,1151,1129,1082,1034,1006,926,869,845,771,743,719,686,582,530cm-1.1H NMR(400MHz,CDCl3)δ7.13(d,J=8.6Hz,2H),6.78(d,J=8.7Hz,2H),6.65(s,2H),6.37(d,J=21.8Hz,1H),3.85(s,3H),3.77(s,3H),3.68(s,6H).19F NMR(376MHz,cdcl3)δ-98.74(d,J=21.8Hz,1F).13C NMR(101MHz,CDCl3)δ158.69,156.62(d,J=244.1Hz),152.88,138.82,130.10(d,J=2.8Hz),127.08(d,J=29.8Hz),126.04(d,J=12.5Hz),108.44(d,J=31.7Hz),105.29(d,J=5.4Hz),60.87,55.93,55.23.MS(EI,m/z):318(M+,100.0).HRMS(EI):m/z计算值C18H19FO4(M+)318.1267,实验值318.1271.
实施例22
-55℃氮气保护下,将LiHMDS(1.0M in THF)2.5mL缓慢滴入0.341克和异香草醛0.183克的3ml DMF/HMPA(10:1)混合溶液中,搅拌3h升至室温,室温继续搅拌3.0h,加入7mL,0.5M醋酸淬灭反应。用乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得0.170克(Z:E=99:1)产率51%。剩余水和DMF相中加入5mL DMF冷却至-55℃加入1克对甲苯磺酸一水合物的5mL DMF溶液,缓慢恢复室温,加入15mL水,有乙醚20mL*4萃取,得到的有机相用饱和食盐水洗涤,浓缩柱层析得产物0.123克(Z:E=10:90),产率37%。
化合物数据
(Z)-5-(2-氟-2-(3,4,5-三甲基苯基)乙烯基)-2-甲氧基苯酚:
无色油状液体.1H NMR(400MHz,CDCl3)δ7.28(d,J=1.8Hz,1H),7.10(dd,J=8.4,1.8Hz,1H),6.87–6.76(m,3H),6.12(d,J=39.4Hz,1H),5.69(s,1H),3.90(s,6H),3.88(s,3H),3.87(s,3H).19F NMR(376MHz,CDCl3)δ-114.98(dd,J=39.2,17.7Hz,1F).MS(EI,m/z):334(M+,100.0),319(34.7),151(14.9),133(15.2).
(E)-5-(2-氟-2-(3,4,5-三甲基苯基)乙烯基)-2-甲氧基苯酚:
无色油状液体.1H NMR(400MHz,CDCl3)δ6.81(d,J=1.5Hz,1H),6.75–6.63(m,4H),6.33(d,J=21.9Hz,1H),5.58(s,1H),3.85(s,3H),3.84(s,3H),3.69(s,6H).19F NMR(376MHz,CDCl3)δ-98.14(d,J=21.9Hz,1H).MS(EI,m/z):334(M+,8.3),319(2.4),151(56.3),43(100.0).
在本发明提及的所有文献都在本申请中引用作为参考,就如同每一篇文献被单独引用作为参考那样。此外应理解,在阅读了本发明的上述讲授内容之后,本领域技术人员可以对本发明作各种改动或修改,这些等价形式同样落于本申请所附权利要求书所限定的范围。

Claims (10)

1.一种用于制备单氟烯烃的试剂,其特征在于,所述试剂包括有效量的具有下式I结构的化合物:
式中,R1为选自下组的基团:取代或未取代的C1~C30的烷基,取代或未取代的C3~C30的环烷基,取代或未取代的C2~C30的烯基,取代或未取代的C6~C30的芳基,取代或未取代的C1~C30的杂芳基;
其中,所述的取代是指基团上的一个或多个氢原子被选自下组的取代基取代:C1~C10烷基、C3~C10环烷基、C1~C10烷氧基、卤素、羟基、羧基、C1~C10醛基、C2~C10酰基、C2~C10酯基、硝基、氨基、氰基、苯基;所述的苯基包括未取代的苯基或具有1-3个取代基的取代苯基,且所述取代基选自:卤素、C1-C10烷基、氰基、OH、硝基、C3~C10环烷基、C1~C10烷氧基、氨基。
2.一种制备单氟烯烃的方法,其特征在于,包括步骤:
在惰性溶剂中,用式I化合物与式II化合物反应,得到Z式或E式单氟烯烃;
上述各式中,
R1为选自下组的基团:取代或未取代的C1~C30的烷基,取代或未取代的C3~C30的环烷基,取代或未取代的C2~C30的烯基,取代或未取代的C6~C30的芳基,取代或未取代的C1~C30的杂芳基;
R2为选自下组的基团:取代或未取代的C1~C30的烷基,取代或未取代的C3~C30的环烷基,取代或未取代的C2~C30的烯基,取代或未取代的C6~C30的芳基,取代或未取代的C1~C30的杂芳基;
其中,所述的取代是指基团上的一个或多个氢原子被选自下组的取代基取代:C1~C10烷基、C3~C10环烷基、C1~C10烷氧基、卤素、羟基、羧基、C1~C10醛基、C2~C10酰基、C2~C10酯基、硝基、氨基、氰基、苯基;所述的苯基包括未取代的苯基或具有1-3个取代基的取代苯基,且所述取代基选自:卤素、C1-C10烷基、氰基、OH、硝基、C3~C10环烷基、C1~C10烷氧基、氨基。
3.如权利要求2所述的方法,其特征在于,所述的惰性溶剂选自下组:DMF,DMSO、THF、HMPA、DME、DMAc,或其组合;较佳地,所述的惰性溶剂选自下组:DMF、HMPA,或其组合;和/或
所述反应在碱存在下进行,较佳地,所述的碱选自下组:tBuOK、tBuONa、NaOH、KOH、LiHMDS、NaHMDS、LiTMP、LDA、Cs2CO3,或其组合。
4.一种Z式单氟烯烃的制备方法,其特征在于,包括步骤:
(a)提供一含有Z式烯烃的反应混合物,所述的反应混合物是用如权利要求2或3所述的方法制备得到;和
(b)在所述的反应混合物中加入乙醚和水,得到一包括第一液相和第二液相的混合物,其中,所述的第一液相为乙醚相,第二液相为含水相;
(c)分离乙醚相,得到Z式单氟烯烃。
5.一种E式单氟烯烃的制备方法,其特征在于,包括步骤:
(i)提供一含有Z式烯烃的反应混合物,所述的反应混合物是用如权利要求2或3所述的方法制备得到;
(ii)在所述的反应混合物中加入乙醚和水,得到一包括第一液相和第二液相的混合物,其中,所述的第一液相为乙醚相,第二液相为含水相;分离含水相;和
(iii)在-55℃~0℃下,在含水相相中加入酸,得到E式单氟烯烃。
6.如权利要求5所述的方法,其特征在于,所述的步骤(iii)包括:
(iii-a)在-55℃~0℃下,在含水相中加入酸,形成产物混合物;
(iii-b)使产物混合物缓慢恢复室温;
(iii-c)用乙醚萃取产物混合物,分离有机相并进行纯化。
7.一种如式I所示的化合物,
式中,R1为选自下组的基团:取代或未取代的C2~C30的烷基、取代或未取代的苯基;
其中,所述的取代是指基团上的一个或多个氢原子被选自下组的取代基取代:C1~C10烷基、C3~C10环烷基、C1~C10烷氧基、卤素、羟基、羧基(-COOH)、C1~C10醛基、C2~C10酰基、C2~C10酯基、氨基、苯基;所述的苯基包括未取代的苯基或具有1-3个取代基的取代苯基,所述取代基选自:卤素、C1-C10烷基、氰基、OH、硝基、C3~C10环烷基、C1~C10烷氧基、氨基。
8.一种式I化合物的制备方法,其特征在于,包括步骤:
在惰性溶剂中,用式I’化合物与氟化试剂反应,得到式I化合物;
式中,R1的定义如权利要求1中所述。
9.一种式I化合物的用途:
式中,R1的定义如权利要求1中所述;
其特征在于,作为选择性制备Z式或E式单氟烯烃的试剂,或用于制备选择性制备Z式或E式单氟烯烃的试剂。
10.一种式III化合物:
其中,R1为选自下组的基团:取代或未取代的C1~C30的烷基,取代或未取代的C3~C30的环烷基,取代或未取代的C2~C30的烯基,取代或未取代的C6~C30的芳基,取代或未取代的C1~C30的杂芳基;
R2为选自下组的基团:取代或未取代的C1~C30的烷基,取代或未取代的C3~C30的环烷基,取代或未取代的C2~C30的烯基,取代或未取代的C6~C30的芳基,取代或未取代的C1~C30的杂芳基;
R3为选自下组的基团:
其中,所述的M选自下组:Li、Na、K、Rb、Cs;
所述的R4选自下组:C1-C10取代或未取代的烷基;其中,所述的取代是指基团上的一个或多个氢原子被选自下组的取代基取代:卤素、氰基、芳基、烷氧基。
CN201310446231.0A 2013-09-25 2013-09-25 一种制备高选择性单氟烯烃的试剂 Active CN104447521B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310446231.0A CN104447521B (zh) 2013-09-25 2013-09-25 一种制备高选择性单氟烯烃的试剂

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310446231.0A CN104447521B (zh) 2013-09-25 2013-09-25 一种制备高选择性单氟烯烃的试剂

Publications (2)

Publication Number Publication Date
CN104447521A true CN104447521A (zh) 2015-03-25
CN104447521B CN104447521B (zh) 2021-09-03

Family

ID=52894352

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310446231.0A Active CN104447521B (zh) 2013-09-25 2013-09-25 一种制备高选择性单氟烯烃的试剂

Country Status (1)

Country Link
CN (1) CN104447521B (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111004094A (zh) * 2019-12-18 2020-04-14 中山大学 一种顺式二芳基单氟烯烃类化合物的制备方法
CN114181157A (zh) * 2020-09-15 2022-03-15 中国科学院兰州化学物理研究所 一种单氟磺酰基烯烃及其制备方法与应用

Non-Patent Citations (7)

* Cited by examiner, † Cited by third party
Title
ARUN K.GHOSH,ET AL.: "Fluorinated 1-Phenyl-1H-tetrazol-5-yl Sulfone Derivatives as General Reagents for Fluoroalkylidene Synthesis", 《J. ORG. CHEM.》 *
ARUN K.GHOSH,ET AL.: "α-Fluorovinyl Weinreb Amides and α-Fluoroenones from a Common Fluorinated Building Block", 《J. ORG. CHEM.》 *
BARBARA ZAJC,ET AL.: "Exceptionally Mild,High-Yield Synthesis of α-Fluoro Acrylates", 《ORG.LETT.》 *
D.CHEVRIE,ET AL.: "A convenient one-step synthesis of fluoroethylidene derivatives", 《TETRAHEDRON LETTERS》 *
EMMANUEL PFUND,ET AL.: "Modified Julia Fluoroolefination: Selective Preparation of Fluoroalkenoates", 《J.ORG.CHEM.》 *
YANCHUAN ZHAO,ET AL.: "Copper-Catalyzed Debenzoylative Monofluoromethylation of Aryl Iodides Assisted by the Removable (2-Pyridyl)sulfonyl Group", 《ACS CATAL.》 *
YANCHUAN ZHAO,ET AL.: "Copper-Mediated Fluoroalkylation of Aryl Iodides Enables Facile Access to Diverse Fluorinated Compounds: The Important Role of the (2-Pyridyl)sulfonyl Group", 《ORGANIC LETTERS》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111004094A (zh) * 2019-12-18 2020-04-14 中山大学 一种顺式二芳基单氟烯烃类化合物的制备方法
CN114181157A (zh) * 2020-09-15 2022-03-15 中国科学院兰州化学物理研究所 一种单氟磺酰基烯烃及其制备方法与应用

Also Published As

Publication number Publication date
CN104447521B (zh) 2021-09-03

Similar Documents

Publication Publication Date Title
CN107739333B (zh) 一种绿色的喹啉化合物的制备方法
CN104557800B (zh) 2‑苯氧基四氢呋(吡)喃衍生物及其在五氟磺草胺合成中的应用
CN106365986B (zh) 化合物及其制备方法和在合成布瓦西坦中的用途
CN108976170A (zh) 一种5-三氟甲基-4h-咪唑啉-4-酮衍生物及合成方法
CN105622536A (zh) 一种三氟甲基化烯基异噁唑化合物及其制备方法和应用
CN104447521A (zh) 一种制备高选择性单氟烯烃的试剂
CN109651191A (zh) 一种二氟甲基肟醚衍生物及其合成方法
CN104829465A (zh) 一种4-异丙氨基-1-丁醇的制备方法
CN101967075A (zh) 一种利用3-芳基-2,3-二溴丙酸合成端炔化合物的方法
CN110372653A (zh) 一种硒化苯并呋喃化合物及其合成方法
CN106588698B (zh) 一种N-Boc联苯丙氨醛的制备方法
CN105272918B (zh) 卤化-1-烃基-3-乙烯基-2,4,5-三芳基咪唑及制备方法和用途
CN112321514B (zh) 一种手性巴比妥酸类化合物及其制备方法
CN111704558B (zh) 一种钯催化制备苯基-2-(2’-氰基苯基)乙炔类化合物的方法
CN113861069A (zh) 一种腈类化合物的制备方法
CN104557500A (zh) 一种合成α-烷基酮的方法
CN106905228B (zh) 一种钌催化制备取代芳基甲醇类化合物的方法
CN109942387A (zh) 一种铜催化烯基叠氮合成环丙烷衍生物的方法
CN104591939B (zh) 一种制备联苯基丙烯酸醚类化合物的方法
CN109180564A (zh) 一种哌啶及其衍生物的制备方法
CN103936662B (zh) 1-r1-3,3-二氟-4-r2-哌啶及其衍生物的制备方法
CN103524359B (zh) 一种带有三个大位阻取代基c2对称旋光氨基二醇及制备方法和用途
CN109776610A (zh) 基于苯乙胺骨架的手性p,n,n配体类化合物及制备方法与应用
CN107739322B (zh) 一种磺酰胺类化合物的合成方法
JPH08127577A (ja) 4−メチレンテトラヒドロピランの製造方法

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant