CN105481748B - 5-氟多取代二氢吡咯衍生物及其制备方法 - Google Patents

5-氟多取代二氢吡咯衍生物及其制备方法 Download PDF

Info

Publication number
CN105481748B
CN105481748B CN201610070648.5A CN201610070648A CN105481748B CN 105481748 B CN105481748 B CN 105481748B CN 201610070648 A CN201610070648 A CN 201610070648A CN 105481748 B CN105481748 B CN 105481748B
Authority
CN
China
Prior art keywords
preparation
fluorine
cdcl
nmr
polysubstituted
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.)
Expired - Fee Related
Application number
CN201610070648.5A
Other languages
English (en)
Other versions
CN105481748A (zh
Inventor
肖元晶
杨洁茹
周小凡
曾雨
黄超乾
张俊良
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.)
East China Normal University
Original Assignee
East China Normal University
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 East China Normal University filed Critical East China Normal University
Priority to CN201610070648.5A priority Critical patent/CN105481748B/zh
Publication of CN105481748A publication Critical patent/CN105481748A/zh
Application granted granted Critical
Publication of CN105481748B publication Critical patent/CN105481748B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D207/00Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/46Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with hetero atoms directly attached to the ring nitrogen atom
    • C07D207/48Sulfur atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D207/00Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D207/18Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
    • C07D207/22Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D207/00Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D207/18Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
    • C07D207/22Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member 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
    • C07D207/24Oxygen or sulfur atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D207/00Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D207/18Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
    • C07D207/22Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member 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
    • C07D207/24Oxygen or sulfur atoms
    • C07D207/262-Pyrrolidones
    • C07D207/2732-Pyrrolidones 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 other ring carbon atoms
    • C07D207/277Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D207/282-Pyrrolidone-5- carboxylic acids; Functional derivatives thereof, e.g. esters, nitriles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyrrole Compounds (AREA)

Abstract

本发明涉及一种5‑氟多取代二氢吡咯衍生物,其结构如式(III)所示。其制备方法为,在碱的作用下,含三氟甲基烯类化合物与酰胺丙二酸二乙酯类化合物发生环化反应,经萃取、浓缩、柱层析得到所述5‑氟多取代二氢吡咯衍生物;反应过程如反应式(1)所示。本发明制备方法反应条件温和,操作简单,获得了5‑氟多取代二氢吡咯化合物结构骨架。

Description

5-氟多取代二氢吡咯衍生物及其制备方法
技术领域
本发明属于化学合成领域,涉及一类含氟二氢吡咯衍生物的制备方法,具体涉及一类5-氟多取代二氢吡咯衍生物及其制备方法。
背景技术
二氢吡咯结构单元广泛存在于天然产物及药物试剂中,常常被作为合成四氢吡咯,吡咯的前导化合物(参见:(a)H.G.Cheon,H.Lim and D.H.Lee,Eur.J.Pharmacol.,2001,411,181;(b)H.G.Cheon,S.S.Lee,H.Lim and D.H.Lee,Eur J.Pharmacol.,2001,411,187;(c)C.W.Bird and G.W.H.Cheeseman,in Comprehensive HeterocyclicChemistry,ed.A.R.Katritzky and C.W.Rees,Pergamon,Oxford,UK,1984,vol.4,p.8;(d)D.Walker and J.D.Hiebert,Chem.Rev.,1967,67,153;(e)Y.K.Shim,J.I.Youn,J.S.Chun,T.H.Park,M.H.Kim and W.J.Kim,Synthesis,1990,753.)。因此,寻找高效地制备此类物质的方法,具有重要的意义,特别是制备它们的含氟类似物意义卓著((a)I.Coldham andR.Hufton,Chem.Rev.,2005,105,2765.(b)F.Bellina and R.Rossi,Tetrahedron,2006,62,7213;(c)M.Brichacek and J.T.Njardarson,Org.Biomol.Chem.,2009,7,1761;(d)T.Yamazaki,T.Taguchi,I.Ojima,In Fluorine in Medicinal Chemistry and ChemicalBiology;I.Ojima,,Eds.;Wiley-Blackwell:Weinheim,2009;pp 3-46;(e)J.-P.Bégué,D.Bonnet-Delpon,Bioorganic and Medicinal Chemistry of Fluorine;Wiley-VCH:Weinheim,2008.),因为氟原子的引入往往能进一步提高分子的药学活性。在众多含氟化合物中,单氟杂环已经成为有机化合物领域一个重要的分支,它们在药学、工业领域都有良好的应用((a)A.A.Gakh,K.L.Kirk,Fluorinated heterocycles.American ChemicalSociety,Washington DC,2009;(b)V.A.Petrov,Fluorinated heterocyclic compounds:synthesis,chemistry,and applications.Wiley,Hoboken,2009;(c)J.Ichikawa,Chim.Oggi,2007,25,54.)。虽然已经有相当多的文献报道了二氢吡咯的合成策略,但是对于含氟二氢吡咯的合成文献却很少((a)M.S.Novikov,A.F.Khlebnikov,M.V.Shevchenko,J.Fluorine.Chem.,2003,123,177;(b)M.S.Novikov,A.F.Khlebnikov,M.V.Shevchenko,R.R.Kostikov,D.Vidovic,Russ.J.Org.Chem.,2005,41,1496;(c)J.Ichikawa,M.Fujiwara,Y.Wada,T.Okauchi,T.Minami,Chem.Commun.2000,1887;(d)T.Fujita,M.Ikeda,M.Hattori,K.Sakoda,J.Ichikawa,Synthesis.,2014,46,1493.)。
发明内容
本发明进一步丰富了单氟杂环化合物的合成方法学,提供一种原料易得、反应条件温和、化学选择性好的单氟二氢吡咯环衍生物的合成方法,制备得到一类新的5-氟多取代二氢吡咯衍生物。
本发明提供了一种5-氟多取代二氢吡咯衍生物,结构如式(III)所示,
其中,R1为酯基、羰基、炔基;R2为芳基、杂芳基、烷基、氢;PG包括Ac(乙酰基),Ts(对甲苯磺酰基),Cbz(苄氧羰基),Ns(对硝基苯磺酰基),优选地为Ts(对甲苯磺酰基)。
进一步地,所述芳基包括苯基、或邻、对位的取代苯基、萘基;所述杂芳基为呋喃、噻吩。
更进一步地,所述酯基为乙氧羰基,所述羰基为苯甲酰基,所述炔基为苯基乙炔基;所述邻、对位的取代苯基为4-溴苯基、4-甲氧基苯基、4-氯苯基、2-氯苯基、4-硝基苯基、4-氰基苯基、4-三氟甲基苯基,所述萘基为2-萘基;所述呋喃为2-呋喃基、所述噻吩为2-噻吩基,所述烷基为异丁基。
即,式(III)中,所述R1为乙氧羰基、苯甲酰基、苯基乙炔基;所述R2为4-溴苯基、苯基、4-甲氧基苯基、4-氯苯基、2-氯苯基、4-硝基苯基、4-氰基苯基、4-三氟甲基苯基、2-萘基、2-呋喃基、2-噻吩基、异丁基、氢;所述PG为乙酰基、苄氧酰基、对甲苯磺酰基、对硝基苯磺酰基。
本发明中,所述式(III)所示的5-氟多取代2H-吡喃衍生物包括:3-(4-溴苯基)-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-(4-溴苯基)-5-氟代-1-乙酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-(4-溴苯基)-5-氟代-1-对硝基苯磺酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-(4-溴苯基)-5-氟代-1-苄氧酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-苯基-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-(4-甲氧基苯基)-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-(4-氯苯基)-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-(2-氯苯基)-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-(4-硝基苯基)-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-(4-氰基苯基)-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-(4-三氟甲基苯基)-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-(2-萘基)-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-(2-呋喃基)-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-(2-噻吩基)-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-异丁基-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,4-(苯乙炔基)-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2(3H)-二羧酸二乙酯,3-苯基-4-苯甲酰基-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2(3H)-二羧酸二乙酯。
本发明提出的制备方法以2-三氟甲基-1-烯烃(即含三氟甲基基团的烯类化合物)、酰胺丙二酸二乙酯类化合物为原料,将其溶于有机溶剂,在碱的作用下经加成消除串联反应得到本发明的多取代多官能团化的单氟二氢吡咯衍生物。
本发明提供的如式(III)所示的单氟取代二氢吡咯衍生物的制备方法是,在碱的作用下,式(I)所示含三氟甲基烯类化合物与式(II)所示酰胺丙二酸二乙酯类化合物发生环化反应,经萃取、浓缩、柱层析得到所述5-氟多取代二氢吡咯衍生物;所述制备方法的反应过程如反应式(1)所示,
其中R1为酯基、羰基、炔基;R2为芳基、杂芳基、烷基、氢;PG包括Ac(乙酰基),Ts(对甲苯磺酰基),Cbz(苄氧羰基),Ns(对硝基本磺酰基)。优选地为Ts(对甲苯磺酰基)。
所述酯基为乙氧羰基,所述羰基为苯甲酰基,所述炔基为苯基乙炔基;所述芳基为苯基、4-溴苯基、4-甲氧基苯基、4-氯苯基、2-氯苯基、4-硝基苯基、4-氰基苯基、4-三氟甲基苯基、2-萘基,所述杂芳基为2-呋喃基、2-噻吩基,所述烷基为异丁基。
即,反应式(1)中,所述R1为乙氧羰基、苯甲酰基、苯基乙炔基;所述R2为4-溴苯基、苯基、4-甲氧基苯基、4-氯苯基、2-氯苯基、4-硝基苯基、4-氰基苯基、4-三氟甲基苯基、2-萘基、2-呋喃基、2-噻吩基、异丁基、氢;所述PG为乙酰基、苄氧酰基、对甲苯磺酰基、对硝基苯磺酰基。
其中,根据本发明方法制备得到的式(III)所示的5-氟多取代二氢吡咯衍生物,包括:3-(4-溴苯基)-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-(4-溴苯基)-5-氟代-1-乙酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-(4-溴苯基)-5-氟代-1-对硝基苯磺酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-(4-溴苯基)-5-氟代-1-苄氧酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-苯基-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-(4-甲氧基苯基)-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-(4-氯苯基)-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-(2-氯苯基)-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-(4-硝基苯基)-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-(4-氰基苯基)-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-(4-三氟甲基苯基)-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-(2-萘基)-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-(2-呋喃基)-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-(2-噻吩基)-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,3-异丁基-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2,4(3H)-三羧酸三乙酯,4-(苯乙炔基)-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2(3H)-二羧酸二乙酯,3-苯基-4-苯甲酰基-5-氟代-1-对甲苯磺酰基-1H-吡咯-2,2(3H)-二羧酸二乙酯。
在一具体实施方案中,本发明的式(III)所示的5-氟多取代二氢吡咯衍生物的制备过程为,将含三氟甲基烯类化合物溶解在有机溶剂中,在无机碱的作用下,在室温条件下与酰胺丙二酸二乙酯类化合物发生环化反应,反应完成后萃取,浓缩,经柱层析得到如式(III)所示的5-氟多取代二氢吡咯衍生物。
本发明制备方法中,反应在有机溶剂中进行。具体地,在制备式(III)5-氟多取代二氢吡咯衍生物的步骤中,所述有机溶剂是N,N-二甲基甲酰胺(DMF)、N,N-二甲基乙酰胺(DMAC)、乙腈。所述的有机溶剂不局限于上述有机溶剂。
本发明制备方法中,所述有机溶剂的用量为8.0~10.0mL/mmol酰胺丙二酸二乙酯类化合物。
本发明制备方法中,所述碱是无机碱,进一步地是碱盐,选自于碳酸钾、碳酸钠。具体地,在制备式(III)5-氟多取代二氢吡咯衍生物的步骤中,所述碱盐包括碳酸钾,碳酸钠等。优选地,所述碱为碳酸钾。
本发明制备方法中,所述含三氟甲基烯类化合物、酰胺丙二酸二乙酯类化合物、碱的摩尔比为三氟甲基烯类化合物:酰胺丙二酸二乙酯类化合物:碱=3.0-1.0:1.0-2.0:1.0-2.0;优选地,所述含三氟甲基烯类化合物、酰胺丙二酸二乙酯类化合物、碱的摩尔比为三氟甲基烯类化合物:酰胺丙二酸二乙酯类化合物:碱=1.5:1.0:1.2。
本发明制备方法中,去除溶剂的方式包括:先用乙醚或乙酸乙酯反应后的反应液进行萃取,干燥并旋蒸去除溶剂,从而得到粗产品。
本发明制备方法中,所述柱层析是采用体积比为石油醚:乙酸乙酯=5:1~3:1的淋洗剂。
本发明制备方法的创新之一在于,本发明制备方法反应温度优良,如,制备式(III)5-氟多取代二氢吡咯衍生物0℃-50℃;优选地,为室温条件下进行的。
本发明制备方法中,反应时间约为4~12小时;优选地,为6小时。
本发明制备方法中的各原料、包括有机溶剂、碱等,均可市场购得并直接使用,例如,有机溶剂采用N,N-二甲基甲酰胺,碱采用无机碱。在一具体实施方案中,本发明制备方法为,先称取一定量的分子筛,式(II)酰胺丙二酸二乙酯类化合物物质的量1.2倍的碳酸钾,置于干燥的反应管中。在氮气氛围下,按一定比例称取式(I)含三氟甲基基团的烯类化合物,式(II)酰胺丙二酸二乙酯类化合物类化合物。例如:式(I)含三氟甲基基团的烯类化合物:式(II)酰胺丙二酸二乙酯类化合物类化合物摩尔比=1.5:1.0,随后向反应管中注入2mLDMF。然后,在室温反应条件下反应,搅拌过程中通过薄层层析硅胶板(TLC)监测反应进行程度,反应时间约为4~12小时,反应结束后先用乙醚或者乙酸乙酯进行萃取后干燥并旋蒸去除溶剂,然后,将粗产品进行柱层析,得到式(I II)5-氟多取代二氢吡咯衍生物纯品。其中,例如,用体积比为石油醚:乙酸乙酯=5:1~3:1的淋洗剂进行柱层析。
本发明5-氟多取代二氢吡咯衍生物的制备方法,以含三氟甲基基团的烯类化合物,酰胺丙二酸二乙酯类化合物为原料,在无机碱作用下反应得到包含烷基,杂芳基,芳基及取代芳基,酯基,羰基、炔基等基团的5-氟多取代二氢吡咯衍生物,产物结构如式(III)所示。本发明有益效果包括,原料易得,反应条件温和,操作简单,能快速且高效地合成5-氟多取代二氢吡咯衍生物。本发明通过其它路径开拓了反应产物一系列的合成应用,实现了脱Ts,氧化脱酯,脱氟亲核取代,金属催化的偶联反应等,本发明制备的5-氟多取代二氢吡咯化合物,可以用于合成多官能团化的内酰胺,单氟芳香吡咯等一系列生物活性分子,在药学、有机合成领域具有重要的意义。
本发明的制备方法的创新之处是利用含三氟甲基基团的烯类化合物,酰胺丙二酸二乙酯类化合物为原料,在无机碱作用下一锅法经连续两步脱氟取代反应高效制备5-氟多取代二氢吡咯衍生物。
本发明还提出了如上所述的5-氟多取代二氢吡咯衍生物在制备无氟多取代二氢吡咯衍生物、吡咯烷酮、吡咯及含氟吡咯衍生物中的应用。
本发明提供多种结构的单氟二氢吡咯化合物骨架,不仅对单氟多取代二氢吡咯类化合物的合成具有重要意义,而且对新药的合成筛选和药物研究都具有非常重要意义。
具体实施方式
结合以下具体实施例,对本发明作进一步的详细说明,本发明的保护内容不局限于以下实施例。在不背离发明构思的精神和范围下,本领域技术人员能够想到的变化和优点都被包括在本发明中,并且以所附的权利要求书为保护范围。实施本发明的过程、条件、试剂、实验方法等,除以下专门提及的内容之外,均为本领域的普遍知识和公知常识,本发明没有特别限制内容。
本发明提出的5-氟多取代二氢吡咯衍生物的制备方法,将如式(I)所示的含三氟甲基基团的烯类化合物化合物,如式(II)所示的酰胺丙二酸二乙酯类化合物放入装有分子筛和式(II)酰胺丙二酸二乙酯类化合物物质的量1.2倍的碳酸钾的干燥反应管中,,其中,含三氟甲基基团的烯类化合物:酰胺丙二酸二乙酯类化合物=1.5:1.0,在室温条件下反应,除去溶剂,经柱层析得到如式(III)所示的5-氟多取代二氢吡咯衍生物;
其中R1为酯基、羰基、炔基;R2为芳基、杂芳基、烷基、氢;PG包括Ac,Ts,Cbz,Ns。
优选地,所述芳基包括苯基、或邻、对位的取代苯基、萘基;所述杂芳基为呋喃、噻吩。
实施例1
将原料3-(4-溴苯基)-2-(三氟甲基)丙烯酸乙酯(0.45mmol),对甲苯磺酰氨基丙二酸二乙酯(0.3mmol)放入盛有预先活化的分子筛和式(I I)酰胺基丙二酸二乙酯物质的量1.2倍的碳酸钾的干燥反应管中,在室温下充分反应,反应6小时,通过TLC和碘缸显色检测反应,至对甲苯磺酰氨基丙二酸二乙酯完全消失。反应结束后加入5.0ml蒸馏水淬灭反应,用乙醚或者乙酸乙酯(3*5.0ml)进行萃取,合并有机相干燥并旋蒸去除溶剂,然后将粗产品直接用硅胶快速柱色谱纯化(石油醚:乙酸乙酯=4:1)得到5-氟多取代二氢吡咯衍生物纯品III-1(156mg,82%)。
黄色油状物.1H NMR(400MHz,CDCl3)δ8.06(d,J=7.5Hz,2H),7.41(d,J=8.7Hz,2H),7.36(d,J=8.2Hz,2H),7.12(brs,2H),4.82(d,J=5.7Hz,1H),4.63–4.32(m,2H),4.18–3.92(m,2H),3.89–3.55(m,2H),2.46(s,3H),1.44(t,J=7.1Hz,3H),1.09(t,J=7.1Hz,3H),1.02(t,J=7.2Hz,3H).19F NMR(282MHz,CDCl3)δ-96.19.13C NMR(101MHz,CDCl3)δ167.13,163.52,161.81(d,J=5.7Hz),156.16(d,J=295.0Hz),145.41,136.42,135.11,135.10,131.13,129.52,129.09(d,J=1.8Hz),122.33,85.87(d,J=3.9Hz),77.40,63.49,62.75,60.32,50.42(d,J=1.8Hz),21.62,14.00,13.93,13.31.HRMS(ESI)calcd for C26H27BrFNNaO8S[M+Na+]:634.0517,found:634.0520.
实施例2
将3-(4-溴苯基)-2-(三氟甲基)丙烯酸乙酯(0.45mmol),乙酰氨基丙二酸二乙酯(0.3mmol)作为原料,其他操作参考实施例1,反应搅拌6h,硅胶柱色谱纯化(石油醚:乙酸乙酯=4:1),得到5-氟多取代二氢吡咯衍生物纯品III-2(18mg,12%)。
无色油状物.1H NMR(500MHz,CDCl3)δ7.41(d,J=7.6Hz,2H),7.12(brs,2H),4.60(d,J=2.9Hz,1H),4.39-4.33(m,2H),4.21–3.96(m,1H),3.74–3.44(m,1H),2.40(d,J=4.9Hz,3H),1.37(t,J=5.9Hz,3H),1.12(t,J=5.9Hz,3H),0.89(t,J=6.0Hz,3H).19F NMR(282MHz,CDCl3)δ-99.39.13C NMR(126MHz,CDCl3)δ166.72(d,J=3.7Hz),166.45,162.74,162.05(d,J=5.8Hz),155.34(d,J=295.4Hz),135.40,135.39,131.17,122.24,88.03(d,J=5.0Hz),73.80,63.12,62.17,60.51,48.93,23.71(d,J=11.2Hz),14.02,13.94,13.33.HRMS(ESI)calcd for C21H23BrFNNaO7[M+Na+]:522.0534,found:522.0541.
实施例3
将3-(4-溴苯基)-2-(三氟甲基)丙烯酸乙酯(0.45mmol),对硝基苯磺酰氨基丙二酸二乙酯(0.3mmol)作为原料,其他操作参考实施例1,反应搅拌4h,硅胶柱色谱纯化(石油醚:乙酸乙酯=4:1),得到5-氟多取代二氢吡咯衍生物纯品III-3(79mg,41%)。
黄色油状物.1H NMR(300MHz,CDCl3)δ8.41(s,4H),7.43(d,J=8.6Hz,2H),7.11(brs,2H),4.83(d,J=5.9Hz,1H),4.65–4.36(m,2H),4.28–3.93(m,2H),3.91–3.60(m,2H),1.46(t,J=7.1Hz,3H),1.11(t,J=7.1Hz,3H),1.05(t,J=7.2Hz,3H).19F NMR(282MHz,CDCl3)δ-97.31.13C NMR(101MHz,CDCl3)δ166.85,163.36,161.41(d,J=5.7Hz),155.09(d,J=295.0Hz),150.75,144.51,134.44,131.29,130.62,130.60,124.08,122.64,87.07(d,J=3.8Hz),77.73,63.8,63.15,60.69,50.35,13.99,13.96,13.35.HRMS(ESI)calcd forC25H24BrFN2NaO10S[M+Na+]:665.0211,found:665.0219.
实施例4
将3-(4-溴苯基)-2-(三氟甲基)丙烯酸乙酯(0.45mmol),苄氧酰基氨基丙二酸二乙酯(0.3mmol)作为原料,其他操作参考实施例1,反应搅拌6h,硅胶柱色谱纯化(石油醚:乙酸乙酯=4:1),得到5-氟多取代二氢吡咯衍生物纯品III-4(18mg,10%)。
黄色油状物.1H NMR(400MHz,CDCl3)δ7.41(d,J=8.7Hz,2H),7.33(s,5H),7.13(brs,2H),5.22(q,J=12.1Hz,2H),4.70(d,J=5.5Hz,1H),4.34(q,J=7.1Hz,2H),4.19–3.96(m,2H),3.64–3.14(m,2H),1.30(t,J=7.1Hz,3H),1.13(t,J=7.1Hz,3H),0.77(t,J=7.2Hz,3H).19F NMR(282MHz,CDCl3)δ-96.64.13C NMR(101MHz,CDCl3)δ166.85,163.02,162.07(d,J=5.7Hz),156.26(d,J=301.8Hz),149.96(d,J=3.6Hz),135.48,135.47,134.55,131.15,128.56,128.49,128.25,122.21,87.32(d,J=3.4Hz),74.34,68.82,63.21,62.26,60.36,49.64,14.02,13.84,13.19.HRMS(ESI)calcd for C27H27BrFNNaO8[M+Na+]:614.0796,found:614.0801.
实施例5
将3-苯基-2-(三氟甲基)丙烯酸乙酯(0.45mmol),对甲苯磺酰氨基丙二酸二乙酯(0.3mmol)作为原料,其他操作参考实施例1,反应搅拌8h,硅胶柱色谱纯化(石油醚:乙酸乙酯=5:1),得到5-氟多取代二氢吡咯衍生物纯品III-5(141mg,88%)。
无色油状物.1H NMR(400MHz,CDCl3)δ8.07(d,J=7.4Hz,2H),7.35(d,J=8.1Hz,2H),7.25(s,5H),4.86(d,J=5.7Hz,1H),4.57–4.37(m,2H),4.16–3.88(m,2H),3.79–3.47(m,2H),2.44(s,3H),1.44(t,J=7.1Hz,3H),1.05(t,J=7.1Hz,3H),0.96(t,J=7.2Hz,3H).19F NMR(282MHz,CDCl3)δ-97.11.13C NMR(101MHz,CDCl3)δ167.23(s),163.55(s),161.85(d,J=5.7Hz),155.90(d,J=294.8Hz),145.21,136.51,135.93,135.92,129.42,128.99(d,J=1.8Hz),128.09,127.89,86.24(d,J=3.4Hz),77.63,63.31,62.45,60.10,50.98(d,J=1.7Hz),21.52,13.88,13.85,13.18.HRMS(ESI)calcd for C26H28FNNaO8S[M+Na+]:556.1412,found:556.1418.
实施例6
将3-(4-甲氧基苯基)-2-(三氟甲基)丙烯酸乙酯(0.45mmol),对甲苯磺酰氨基丙二酸二乙酯(0.3mmol)作为原料,其他操作参考实施例1,反应搅拌10h,硅胶柱色谱纯化(石油醚:乙酸乙酯=4:1),得到5-氟多取代二氢吡咯衍生物纯品III-6(79mg,47%)。
黄色固体.Mp93-95℃.1H NMR(400MHz,CDCl3)δ8.07(d,J=7.5Hz,2H),7.36(d,J=8.2Hz,2H),7.15(brs,2H),6.79(d,J=8.9Hz,2H),4.81(d,J=5.7Hz,1H),4.62–4.33(m,2H),4.18–3.88(m,2H),3.76(s,3H),3.81–3.62(m,2H),2.46(s,3H),1.44(t,J=7.1Hz,3H),1.08(t,J=7.1Hz,3H),1.02(t,J=7.2Hz,3H).19F NMR(282MHz,CDCl3)δ-97.22.13CNMR(101MHz,CDCl3)δ167.38,163.71,162.02(d,J=5.7Hz),159.46,155.85(d,J=294.7Hz),145.23,136.62,129.48,129.09(d,J=1.8Hz),127.89,127.88,113.37,86.45(d,J=3.3Hz),77.75,63.32,62.55,60.19,55.15,50.58(d,J=1.6Hz),21.63,14.02,13.95,13.35.HRMS(ESI)calcd for C27H30FNNaO9S[M+Na+]:586.1518,found:586.1530.
实施例7
将3-(4-氯苯基)-2-(三氟甲基)丙烯酸乙酯(0.45mmol),对甲苯磺酰氨基丙二酸二乙酯(0.3mmol)作为原料,其他操作参考实施例1,反应搅拌7h,硅胶柱色谱纯化(石油醚:乙酸乙酯=4:1),得到5-氟多取代二氢吡咯衍生物纯品III-7(143mg,84%)。
白色固体.Mp124-126℃.1H NMR(400MHz,CDCl3)δ8.06(d,J=7.4Hz,2H),7.36(d,J=8.2Hz,2H),7.25(d,J=7.3Hz,2H),7.18(brs,2H),4.83(d,J=5.7Hz,1H),4.56–4.33(m,2H),4.16–3.92(m,2H),3.84–3.61(m,2H),2.46(s,3H),1.44(t,J=7.1Hz,3H),1.08(t,J=7.1Hz,3H),1.02(t,J=7.2Hz,3H).19F NMR(282MHz,CDCl3)δ-96.25.13C NMR(101MHz,CDCl3)δ167.14,163.53,161.82(d,J=5.7Hz),156.14(d,J=294.9Hz),145.41,136.41,134.57,134.56,134.13,129.51,129.09(d,J=1.8Hz),128.17,85.93(d,J=3.8Hz),77.47,63.48,62.73,60.31,50.35(d,J=1.8Hz),21.62,13.99,13.93,13.31.HRMS(ESI)calcd for C26H27ClFNNaO8S[M+Na+]:590.1022,found:590.1028.
实施例8
将3-(2-氯苯基)-2-(三氟甲基)丙烯酸乙酯(0.45mmol),对甲苯磺酰氨基丙二酸二乙酯(0.3mmol)作为原料,其他操作参考实施例1,反应搅拌6h,硅胶柱色谱纯化(石油醚:乙酸乙酯=4:1),得到5-氟多取代二氢吡咯衍生物纯品III-8(138mg,81%)。
黄色油状物.1H NMR(400MHz,CDCl3)δ8.01(d,J=7.8Hz,2H),7.35(d,J=8.2Hz,2H),7.34(dd,J=7.8,1.4Hz,1H),7.21-7.09(m,2H),7.01(dd,J=7.7,1.6Hz,1H),5.45(d,J=5.0Hz,1H),4.44(q,J=7.0Hz,1H),4.16–3.76(m,3H),3.63-3.53(m,1H),2.45(s,3H),1.41(t,J=7.1Hz,3H),1.01(t,J=7.1Hz,3H),0.99(t,J=7.1Hz,3H).19F NMR(282MHz,CDCl3)δ-97.76.13C NMR(101MHz,CDCl3)δ166.49,163.49,161.49(d,J=5.6Hz),156.28(d,J=295.7Hz),145.32,136.41,135.04,134.53(d,J=2.0Hz),129.52,129.34,129.29,129.26,128.86(d,J=1.4Hz),126.44,87.00(d,J=3.0Hz),77.20,63.41,62.61,60.14,47.28(d,J=2.1Hz),21.58,13.78(2C),13.20.HRMS calcd for C26H27ClFNNaO8S:590.1022,found:590.1021.
实施例9
将3-(4-硝基苯基)-2-(三氟甲基)丙烯酸乙酯(0.45mmol),对甲苯磺酰氨基丙二酸二乙酯(0.3mmol)作为原料,其他操作参考实施例1,反应搅拌5h,硅胶柱色谱纯化(石油醚:乙酸乙酯=4:1),得到5-氟多取代二氢吡咯衍生物纯品III-9(161mg,93%)。
黄色固体.Mp158-159℃.1H NMR(500MHz,CDCl3)δ8.13(d,J=8.8Hz,2H),8.04(d,J=8.1Hz,2H),7.44(brs,2H),7.36(d,J=8.2Hz,2H),4.96(d,J=5.5Hz,1H),4.54–4.37(m,2H),4.14–3.92(m,2H),3.86–3.64(m,2H),2.45(s,3H),1.44(t,J=7.1Hz,3H),1.07(t,J=7.1Hz,3H),1.00(t,J=7.2Hz,3H).19F NMR(282MHz,CDCl3)δ-95.17.13C NMR(126MHz,CDCl3)δ166.80,163.30,161.57(d,J=5.6Hz),156.34(d,J=295.4Hz),147.55,145.61,143.39,136.02,129.53(2C),129.00,123.00,85.38(d,J=4.4Hz),77.07,63.67,62.87,60.43,50.17(d,J=0.6Hz),21.54,13.90,13.85,13.25.HRMS(ESI)calcd forC26H27FN2NaO10S[M+Na+]:601.1263,found:601.1270.
实施例10
将3-(4-氰基苯基)-2-(三氟甲基)丙烯酸乙酯(0.45mmol),对甲苯磺酰氨基丙二酸二乙酯(0.3mmol)作为原料,其他操作参考实施例1,反应搅拌5h,硅胶柱色谱纯化(石油醚:乙酸乙酯=3:1),得到5-氟多取代二氢吡咯衍生物纯品III-10(157mg,94%)。
白色固体.Mp 109-111℃.1H NMR(500MHz,CDCl3)δ8.05(d,J=7.8Hz,2H),7.58(d,J=8.6Hz,2H),7.37(d,J=8.2Hz,4H),4.90(d,J=5.6Hz,1H),4.57–4.38(m,2H),4.18–3.89(m,2H),3.88–3.53(m,2H),2.47(s,3H),1.45(t,J=7.1Hz,3H),1.08(t,J=7.1Hz,3H),1.01(t,J=7.2Hz,3H).19F NMR(282MHz,CDCl3)δ-95.20.13C NMR(126MHz,CDCl3)δ166.94,163.42,161.70(d,J=5.7Hz),156.40(d,J=295.4Hz),145.64,141.53,136.13,131.73,129.58,129.14,129.13,118.38,112.06,85.35(d,J=4.4Hz),77.20,63.72,62.92,60.50,50.54(d,J=1.6Hz),21.67,13.99,13.95,13.34.HRMS(ESI)calcd forC27H27FN2NaO8S[M+Na+]:581.1364,found:581.1365.
实施例11
将3-(4-三氟甲基苯基)-2-(三氟甲基)丙烯酸乙酯(0.45mmol),对甲苯磺酰氨基丙二酸二乙酯(0.3mmol)作为原料,其他操作参考实施例1,反应搅拌6h,硅胶柱色谱纯化(石油醚:乙酸乙酯=5:1),得到5-氟多取代二氢吡咯衍生物纯品III-11(151mg,84%)。
白色固体.Mp 157-158℃.1H NMR(500MHz,CDCl3)δ8.06(d,J=7.9Hz,2H),7.55(d,J=8.2Hz,2H),7.37(d,J=8.2Hz,4H),4.92(d,J=5.6Hz,1H),4.69–4.36(m,2H),4.18–3.93(m,2H),3.85–3.50(m,2H),2.46(s,3H),1.45(t,J=7.1Hz,3H),1.08(t,J=7.1Hz,3H),0.95(t,J=7.2Hz,3H).19F NMR(282MHz,CDCl3)δ-62.67(s,3F),-95.78(s,1F).13C NMR(126MHz,CDCl3)δ167.05,163.50,161.78(d,J=5.7Hz),156.27(d,J=295.1Hz),145.54,140.16,136.26,130.36(q,J=32.5Hz),129.55,129.11,129.10,124.90(q,J=3.5Hz),123.88(q,J=272.1Hz),85.67(d,J=4.1Hz),77.37,63.61,62.79,60.40,50.49,21.61,13.95,13.92,13.16.HRMS(ESI)calcd for C27H27F4NNaO8S[M+Na+]:624.1286,found:624.1293.
实施例12
将3-(2-萘基)-2-(三氟甲基)丙烯酸乙酯(0.45mmol),对甲苯磺酰氨基丙二酸二乙酯(0.3mmol)作为原料,其他操作参考实施例1,反应搅拌10h,硅胶柱色谱纯化(石油醚:乙酸乙酯=5:1),得到5-氟多取代二氢吡咯衍生物纯品III-12(128mg,73%)。
黄色油状物.1H NMR(400MHz,CDCl3)δ8.10(d,J=7.4Hz,2H),7.85–7.69(m,4H),7.50–7.42(m,3H),7.38(d,J=8.1Hz,2H),5.05(d,J=5.4Hz,1H),4.64–4.35(m,2H),4.16–3.86(m,2H),3.69–3.38(m,2H),2.48(s,3H),1.49(t,J=7.1Hz,3H),1.03(t,J=7.1Hz,3H),0.79(t,J=7.1Hz,3H).19F NMR(282MHz,CDCl3)δ-96.86.13C NMR(101MHz,CDCl3)δ167.40,163.61,162.02(d,J=5.7Hz),156.13(d,J=295.0Hz),145.33,136.64,133.46,133.11,132.93,129.54,129.16,129.14,127.97,127.61,127.55,126.20,126.10,86.43(d,J=3.2Hz),77.84,63.50,62.54,60.27,51.21,21.67,14.01(2C),13.10.HRMS(ESI)calcd for C30H30FNNaO8S[M+Na+]:606.1568,found:606.1575.
实施例13
将3-(2-呋喃基)-2-(三氟甲基)丙烯酸乙酯(0.45mmol),对甲苯磺酰氨基丙二酸二乙酯(0.3mmol)作为原料,其他操作参考实施例1,反应搅拌8h,硅胶柱色谱纯化(石油醚:乙酸乙酯=4:1),得到5-氟多取代二氢吡咯衍生物纯品III-13(140mg,89%)。
黄色油状物.1H NMR(400MHz,CDCl3)δ8.03(d,J=7.8Hz,2H),7.33(d,J=7.8Hz,2H),7.32(brs,1H),6.30(dd,J=3.2,1.8Hz,1H),6.18(d,J=3.2Hz,1H),4.98(d,J=5.2Hz,1H),4.62–4.34(m,2H),4.17–3.88(m,4H),2.43(s,3H),1.40(t,J=7.1Hz,3H),1.14(t,J=5.3Hz,3H),1.11(t,J=5.3Hz,3H).19F NMR(282MHz,CDCl3)δ-96.94.13C NMR(101MHz,CDCl3)δ166.82,163.55,161.65(d,J=5.7Hz),155.95(d,J=294.9Hz),149.32(d,J=2.6Hz),145.24,142.39,136.43,129.46,128.86(d,J=1.5Hz),110.67,109.29,84.53(d,J=4.5Hz),76.71,63.42,62.97,60.19,45.05(d,J=2.6Hz),21.52,13.96,13.79,13.43.HRMS(ESI)calcd for C24H26FNNaO9S[M+Na+]:546.1205,found:546.1210.
实施例14
将3-(2-噻吩基)-2-(三氟甲基)丙烯酸乙酯(0.45mmol),对甲苯磺酰氨基丙二酸二乙酯(0.3mmol)作为原料,其他操作参考实施例1,反应搅拌8h,硅胶柱色谱纯化(石油醚:乙酸乙酯=5:1),得到5-氟多取代二氢吡咯衍生物纯品III-14(126mg,78%)。
白色固体.Mp 103-105℃.1H NMR(400MHz,CDCl3)δ8.08(d,J=7.6Hz,2H),7.36(d,J=8.1Hz,2H),7.22(dd,J=3.9,2.4Hz,1H),6.93(d,J=4.0Hz,2H),5.15(d,J=5.5Hz,1H),4.61–4.34(m,2H),4.16–3.97(m,2H),3.96–3.76(m,2H),2.45(s,3H),1.44(t,J=7.1Hz,3H),1.11(t,J=7.1Hz,3H),1.09(t,J=7.2Hz,3H).19F NMR(282MHz,CDCl3)δ-96.85.13C NMR(101MHz,CDCl3)δ166.98,163.35,161.74(d,J=5.6Hz),156.20(d,J=295.5Hz),145.31,139.64,136.48,129.51,129.00(d,J=1.6Hz),127.43,126.67,125.74,86.95(d,J=4.0Hz),77.89,63.48,62.82,60.30,46.23(d,J=2.5Hz),21.61,13.99,13.89,13.38.HRMS(ESI)calcd for C24H26FNNaO8S2[M+Na+]:562.0976,found:562.0984.
实施例15
将3-异丁基-2-(三氟甲基)丙烯酸乙酯(0.45mmol),对甲苯磺酰氨基丙二酸二乙酯(0.3mmol)作为原料,其他操作参考实施例1,反应搅拌4h,硅胶柱色谱纯化(石油醚:乙酸乙酯=5:1),得到5-氟多取代二氢吡咯衍生物纯品III-15(146mg,95%)。
无色油状物.1H NMR(400MHz,CDCl3)δ8.03(d,J=7.6Hz,2H),7.34(d,J=8.3Hz,2H),4.55–4.24(m,4H),4.23–3.97(m,2H),3.74-3.66(m,1H),2.44(s,3H),1.77–1.66(m,1H),1.57–1.41(m,2H),1.38(t,J=7.2Hz,3H),1.37(t,J=7.2Hz,3H),1.23(t,J=7.1Hz,3H),0.96(d,J=6.1Hz,3H),0.86(d,J=6.3Hz,3H).19F NMR(282MHz,CDCl3)δ-98.76.13CNMR(101MHz,CDCl3)δ168.19,164.90,162.41(d,J=5.7Hz),154.56(d,J=295.2Hz),145.16,136.54,129.51,128.98(d,J=1.6Hz),87.44(d,J=1.0Hz),76.72,63.20,63.11,60.23,44.00,39.21(d,J=0.8Hz),25.41,23.42,21.66,21.16,14.18,13.87,13.77.HRMS(ESI)calcd for C24H32FNNaO8S[M+Na+]:536.1725,found:536.1737.
实施例16
将(3-(三氟甲基)丁-3-烯-1-炔基)苯(0.45mmol),对甲苯磺酰氨基丙二酸二乙酯(0.3mmol)作为原料,其他操作参考实施例1,反应搅拌4h,硅胶柱色谱纯化(石油醚:乙酸乙酯=5:1),得到5-氟多取代二氢吡咯衍生物纯品III-16(127mg,87%)。
黄色固体.Mp76-78℃.1H NMR(500MHz,CDCl3)δ8.00(d,J=8.1Hz,2H),7.40–7.35(m,2H),7.33(d,J=8.2Hz,2H),7.31–7.26(m,3H),4.55–4.19(m,4H),3.30(d,J=5.4Hz,2H),2.43(s,3H),1.38(t,J=7.1Hz,6H).19F NMR(376MHz,CDCl3)δ-110.86.13C NMR(126MHz,CDCl3)δ167.52(2C),151.67(d,J=285.6Hz),144.80,136.79,131.10,129.37,128.51,128.50,128.22,122.65,94.28(d,J=3.4Hz),78.68(d,J=5.1Hz),73.99(d,J=10.0Hz),72.71,63.19(2C),37.82,21.51,13.78(2C).HRMS(ESI)calcd for C25H24FNNaO6S[M+Na+]:508.1201,found:508.1199.
实施例17
将(Z)or(E)-1,3-二苯基-2-(三氟甲基)丙-2-烯-1-酮(0.45mmol),对甲苯磺酰氨基丙二酸二乙酯(0.3mmol)作为原料,其他操作参考实施例1,反应搅拌12h,硅胶柱色谱纯化(石油醚:乙酸乙酯=4:1),得到5-氟多取代二氢吡咯衍生物纯品III-17(76mg or 48mg,45%or 28%)。
黄色油状物.1H NMR(400MHz,CDCl3)δ8.04(d,J=7.4Hz,2H),7.72(d,J=7.4Hz,2H),7.58–7.49(m,1H),7.43(t,J=7.5Hz,2H),7.39-7.29(m,4H),7.27–7.20(m,3H),5.13(d,J=5.5Hz,1H),4.83–4.12(m,2H),3.94–3.39(m,2H),2.41(s,3H),1.46(t,J=7.1Hz,3H),1.01(t,J=7.2Hz,3H).19F NMR(282MHz,CDCl3)δ-95.22.13C NMR(101MHz,CDCl3)δ187.59(d,J=4.7Hz),167.29,163.95,154.64(d,J=291.4Hz),145.38,138.48,136.39,135.48,132.38,129.47,129.15,129.13,128.34,128.31,128.21,128.08,95.20(d,J=6.1Hz),77.57,63.36,62.64,51.50(d,J=2.9Hz),21.63,14.02,13.33.HRMS(ESI)calcdfor C30H28FNNaO7S[M+Na+]:588.1463,found:588.1478.
实施例18
在N2氛围下,向装有磁子的玻璃封管中加入前述实施例1制备得到的5-氟多取代二氢吡咯衍生物纯品III-1(0.2mmol),2.0ml NH3的1,4-二氧六环溶液(0.4M),50℃下搅拌7h后,反应完成,直接减压旋去溶剂,将粗产品直接用硅胶快速柱色谱纯化(石油醚:乙酸乙酯=3:1)得到氨基取代二氢吡咯衍生物IV(119mg,98%)。
白色固体.Mp 152-154℃.1H NMR(400MHz,CDCl3)δ7.93(d,J=8.2Hz,2H),7.30(d,J=8.0Hz,4H),6.96(brs,2H),6.73(brs,2H),4.75(s,1H),4.39(q,J=7.1Hz,2H),4.03–3.83(m,2H),3.79–3.43(m,2H),2.42(s,3H),1.38(t,J=7.1Hz,3H),0.94(brs,3H),0.81(t,J=7.1Hz,3H).13C NMR(126MHz,CDCl3)δ167.84,163.65,144.40,137.95,137.80,130.81,129.41,127.26,121.48,80.31,77.20,63.25,62.33,58.97,51.35,21.49,14.14,13.82,13.12.HRMS(ESI)calcd for C26H29BrN2NaO8S[M+Na+]:631.0720,found:631.0725.
实施例19
在氮气氛围下,向装有4A分子筛(100mg)及碳酸钾(0.4mmol)的干燥反应管中注入4-甲基苯硫酚(0.24mmol)的N,N-二甲基甲酰胺溶液(2.0mL),室温下搅拌半个小时,将前述实施例1制备得到的5-氟多取代二氢吡咯衍生物纯品III-1(0.2mmol)加入上述混合液中,在50℃下继续搅拌3h。反应完成,用5.0mL水淬灭,乙酸乙酯(5.0mL*3次)萃取。有机相用饱和食盐水洗涤后,经硫酸镁干燥,旋去溶剂,将粗产品直接用硅胶快速柱色谱纯化(石油醚:乙酸乙酯=5:1)得到对甲基苯硫酚取代二氢吡咯衍生物V(140mg,98%)。
无色油状物.1H NMR(400MHz,CDCl3)δ8.18(d,J=8.4Hz,2H),7.38(d,J=8.6Hz,2H),7.24(d,J=8.2Hz,2H),6.99(d,J=8.4Hz,6H),4.95(s,1H),4.46(q,J=7.1Hz,2H),4.01–3.56(m,4H),2.38(s,3H),2.27(s,3H),1.43(t,J=7.1Hz,3H),1.05(t,J=7.2Hz,3H),0.85(t,J=7.1Hz,3H).13C NMR(101MHz,CDCl3)δ167.98,164.34,161.97,147.75,144.23,138.02,137.24,136.33,131.06,130.78,129.67,129.61,129.33,129.03,121.95,115.73,80.22,77.20,63.31,62.50,60.18,54.97,21.47,20.95,13.83,13.68,13.38.HRMS(ESI)calcd for C33H34BrNNaO8S2[M+Na+]:738.0801,found:738.0795.
实施例20
在氮气氛围下,向装有4A分子筛(100mg)及碳酸钾(0.4mmol)的干燥反应管中注入苯酚(0.4mmol)的N,N-二甲基甲酰胺溶液(2.0mL),室温下搅拌半个小时,将前述实施例1制备得到的5-氟多取代二氢吡咯衍生物纯品III-1(0.2mmol)加入上述混合液中,在50℃下继续搅拌4h。反应完成,用5.0mL水淬灭,乙酸乙酯(5.0mL*3次)萃取。有机相用饱和食盐水洗涤后,经硫酸镁干燥,旋去溶剂,将粗产品直接用硅胶快速柱色谱纯化(石油醚:乙酸乙酯=5:1)得到苯酚取代二氢吡咯衍生物VI(136mg,99%)。
无色油状物.1H NMR(400MHz,CDCl3)δ7.97(d,J=8.3Hz,2H),7.43(d,J=8.0Hz,2H),7.31-7.25(m,3H),7.22(d,J=8.3Hz,2H),7.09(t,J=7.4Hz,2H),7.03(d,J=8.0Hz,2H),4.89(s,1H),4.60-4.44(m,2H),3.99–3.33(m,4H),2.38(s,3H),1.49(t,J=7.1Hz,3H),1.06(t,J=7.2Hz,3H),0.65(t,J=7.1Hz,3H).13C NMR(101MHz,CDCl3)δ167.78,164.20,161.98,156.68,155.75,144.70,136.70,136.22,131.10,129.44,129.29,128.99,123.53,122.05,115.67,91.58,77.02,63.37,62.58,59.81,52.21,21.51,13.98,13.47,13.36.HRMS(ESI)calcd for C32H32BrNNaO9S[M+Na+]:708.0873,found:708.0870.
实施例21
于室温条件下,将前述实施例1制备得到的5-氟多取代取代二氢吡咯衍生物纯品III-1(0.2mmol)溶解于DMF(2.0mL)中,向其中加入四丁基醋酸铵(0.5mmol),H2O(10μL)50℃下搅拌,直到III-1几乎反应完全,用5.0mL水淬灭,乙酸乙酯(5.0mL*3次)萃取。有机相用饱和食盐水洗涤后,经硫酸镁干燥,旋去溶剂,将粗产品直接用硅胶快速柱色谱纯化(石油醚:乙酸乙酯=4:1)得到内酰胺衍生物VII(117mg,96%)。
无色油状物.1H NMR(400MHz,CDCl3)δ8.03(d,J=8.4Hz,2H),7.45(d,J=8.5Hz,2H),7.33(d,J=8.2Hz,2H),7.05(d,J=8.5Hz,2H),4.45-4.37(m,2H),4.33(d,J=11.7Hz,1H),4.23–3.88(m,4H),4.02(d,J=11.7Hz,1H),2.44(s,3H),1.37(t,J=7.1Hz,3H),1.18(t,J=7.1Hz,3H),1.05(t,J=7.1Hz,3H).13C NMR(101MHz,CDCl3)δ166.82,165.99,165.74,165.30,145.67,134.44,131.71,131.64,130.32,130.08,129.03,123.15,74.84,63.21,63.06,62.51,52.06,49.01,21.69,13.87,13.86,13.49.HRMS(ESI)calcd forC26H28BrNNaO9S[M+Na+]:632.0560,found:632.0571.
实施例22
在氮气氛围下,向玻璃封管中逐次加入前述实施例1制备得到的5-氟多取代二氢吡咯衍生物纯品III-1(0.2mmol),苯酚(0.2g),HBr(40%水溶液,0.24mL),冰醋酸(0.8mL),90℃下反应1h后,旋蒸除去冰醋酸,向剩余物中加入5.0mL水,乙酸乙酯(5.0mL*3次)萃取。有机相用饱和食盐水洗涤后,经硫酸镁干燥,旋去溶剂,将粗产品直接用硅胶快速柱色谱纯化(石油醚:乙酸乙酯=3:1)得到脱去3位酯基的内酰胺衍生物VIII(60mg,56%)。
无色油状物.1H NMR(400MHz,CDCl3)δ8.05(d,J=8.2Hz,2H),7.42(d,J=8.3Hz,2H),7.34(d,J=8.1Hz,2H),6.99(d,J=8.3Hz,2H),4.42(q,J=7.1Hz,2H),4.12–3.94(m,2H),3.91-3.81(m,1H),2.84(dd,J=8.4,5.7Hz,2H),2.45(s,3H),1.39(t,J=7.1Hz,3H),1.01(t,J=7.1Hz,3H).13C NMR(101MHz,CDCl3)δ171.70,166.96,164.90,145.35,135.10,134.47,131.60,129.98,129.89,128.96,122.69,77.08,63.29,62.70,46.10,36.15,21.71,13.91,13.46.13C NMR DEPT 135(126MHz,CDCl3)δ131.69,130.06,129.98,129.04,63.36,62.76,46.19,36.25,21.77,13.98,13.53.HRMS(ESI)calcd for C23H24BrNNaO7S[M+Na+]:560.0349,found:560.0356.
实施例23
于室温条件下,将前述实施例1制备得到的5-氟多取代取代二氢吡咯衍生物纯品III-1(0.2mmol),LiCl(0.25mmol)放入盛有磁子的干燥反应管中,向其中注入2.0mLDMF作为反应溶剂,在O2氛围下升温至165℃,搅拌,1.5h,直到III-1反应完全,用5.0mL水淬灭,乙酸乙酯(5.0mL*3次)萃取。有机相用饱和食盐水洗涤后,经硫酸镁干燥,旋去溶剂,将粗产品直接用硅胶快速柱色谱纯化(石油醚:乙酸乙酯=4:1)得到5-氟多取代吡咯衍生物IX(58mg,76%)。
黄色油状物.1H NMR(400MHz,CDCl3)δ10.11(s,1H),7.48(d,J=8.3Hz,2H),7.19(d,J=8.3Hz,2H),4.14(q,J=7.1Hz,4H),1.15(t,J=7.1Hz,3H),1.08(t,J=7.1Hz,3H).19F NMR(282MHz,CDCl3)δ-119.37.13C NMR(101MHz,CDCl3)δ161.87(d,J=4.9Hz),160.83(d,J=1.9Hz),150.01(d,J=281.4Hz),132.11,131.77,130.41,130.20,121.70,111.14,97.31(d,J=3.2Hz),61.08,60.12,13.97,13.81.HRMS(ESI)calcd for C16H15BrFNNaO4[M+Na+]:406.0061,found:406.0075.
实施例24
于70℃条件下,将前述实施例1制备得到的5-氟多取代二氢吡咯衍生物纯品III-1(0.2mmol)溶解于6.0mL乙醇中,向其中加入NaOH固体(1.0mmol),搅拌1h后,旋去溶剂,向浓缩液中加入少量二氯甲烷,水洗,经硫酸镁干燥后,旋去溶剂,将粗产品直接用硅胶快速柱色谱纯化(石油醚:乙酸乙酯=3:1)得到5-乙氧基取代的吡咯衍生物X(67mg,82%)。
白色固体.Mp 108-110℃.1H NMR(400MHz,CDCl3)δ9.24(s,1H),7.45(d,J=8.4Hz,2H),7.15(d,J=8.4Hz,2H),4.33(q,J=7.0Hz,2H),4.08(q,J=7.0Hz,2H),4.05(q,J=7.0Hz,2H),1.46(t,J=7.0Hz,3H),1.05(t,J=7.0Hz,3H),1.03(t,J=7.0Hz,3H).13C NMR(101MHz,CDCl3)δ163.24,160.90,151.19,133.66,131.64,131.55,130.00,121.06,111.53,100.51,69.36,60.45,59.58,14.95,13.87,13.81.HRMS(ESI)calcd forC18H20BrNNaO5[M+Na+]:432.0417,found:432.0420.
实施例25
在氮气下,将前述实施例1制备得到的5-氟多取代二氢吡咯衍生物纯品III-1(0.945mmol)苯硼酸(0.86mmol),K2CO3(1.72mmol)放入装有磁子的封管中,抽换气三次,向其中注入THF(2mL)和H2O(1mL),95℃搅拌13h后,冷却到室温,用5.0mL水淬灭,乙酸乙酯(5.0mL*3次)萃取。有机相用饱和食盐水洗涤后,经硫酸镁干燥,旋去溶剂,将粗产品直接用硅胶快速柱色谱纯化(石油醚:乙酸乙酯=3:1)得到5-氟多取代二氢吡咯衍生物XI(549mg,95%)。
白色固体.Mp 68-70℃.1H NMR(300MHz,CDCl3)δ8.11(d,J=7.6Hz,2H),7.57(d,J=7.6Hz,2H),7.53(d,J=8.6Hz,2H),7.39(d,J=8.6Hz,2H),7.50–7.30(m,5H),4.94(d,J=5.7Hz,1H),4.50(q,J=6.8Hz,2H),4.29–3.89(m,2H),3.90–3.56(m,2H),2.47(s,3H),1.49(t,J=7.1Hz,3H),1.11(t,J=7.1Hz,3H),0.99(t,J=7.2Hz,3H).19F NMR(282MHz,CDCl3)δ-96.66.13C NMR(101MHz,CDCl3)δ167.26,163.66,161.98(d,J=5.6Hz),155.91(d,J=294.7Hz),145.31,140.89,140.39,136.37,134.89,129.46,129.06,129.05,128.67,127.32,126.89,126.60,86.14(d,J=3.5Hz),77.62,63.41,62.61,60.25,50.68(d,J=1.1Hz),21.61,13.98,13.93,13.22.HRMS(ESI)calcd for C32H32FNNaO8S[M+Na+]:632.1725,found:632.1734.
实施例26
在氮气下,将前述实施例1制备得到的5-氟多取代二氢吡咯衍生物纯品III-1(0.5mmol),苯乙炔(2.5mmol),Pd(PPh3)2Cl2(0.01mmol),CuI(0.02mmol),放入装有磁子的封管中,抽换气三次,向其中注入THF(0.75mL)和Et3N(0.2mL),60℃搅拌32h后,冷却到室温,用5.0mL水淬灭,乙酸乙酯(5.0mL*3次)萃取。有机相用饱和食盐水洗涤后,经硫酸镁干燥,旋去溶剂,将粗产品直接用硅胶快速柱色谱纯化(石油醚:乙酸乙酯=5:1)得到5-氟多取代二氢吡咯衍生物XII(183.6mg,58%)。
黄色油状物.1H NMR(400MHz,CDCl3)δ8.08(d,J=7.8Hz,2H),7.52(dd,J=6.5,3.1Hz,2H),7.45(d,J=8.3Hz,2H),7.37(d,J=8.5Hz,2H),7.34(dd,J=5.0,1.9Hz,3H),7.16(brs,2H),4.88(d,J=5.6Hz,1H),4.52-4.44(m,2H),4.24–3.91(m,2H),3.85–3.63(m,2H),2.47(s,3H),1.46(t,J=7.1Hz,3H),1.08(t,J=7.1Hz,3H),1.04(t,J=7.2Hz,3H).19FNMR(282MHz,CDCl3)δ-96.44.13C NMR(101MHz,CDCl3)δ167.25,163.56,161.89(d,J=5.7Hz),156.12(d,J=295.0Hz),145.42,136.35,136.15,136.14,131.55,131.21,129.54,129.15,129.14,128.33,123.17,123.00,89.91,88.98,85.97(d,J=3.4Hz),77.55,63.54,62.80,60.34,50.75,21.70,14.03,13.99,13.41.HRMS(ESI)calcd for C34H32FNNaO8S[M+Na+]:656.1725,found:656.1734.
本发明不局限于以上实施例。在不违背发明构思的精神和范围下,本领域技术人员能够想到的变化和优点都包括在本发明中,并且以所附的权利要求书为保护范围。

Claims (8)

1.一种5-氟多取代二氢吡咯衍生物的制备方法,其特征在于,在无机碱的作用下,含三氟甲基烯类化合物与酰胺丙二酸二乙酯类化合物发生环化反应得到所述5-氟多取代二氢吡咯衍生物;所述制备方法的反应过程如反应式(1)所示,
反应式(1);
其中,R1为酯基、羰基、炔基;R2为芳基、杂芳基、烷基、氢;PG为Ac,Ts,Cbz,Ns;
其中,所述羰基为苯甲酰基。
2.如权利要求1所述的制备方法,其特征在于,所述酯基为乙氧羰基,所述羰基为苯甲酰基,所述炔基为苯基乙炔基;所述芳基为苯基、4-溴苯基、4-甲氧基苯基、4-氯苯基、2-氯苯基、4-硝基苯基、4-氰基苯基、4-三氟甲基苯基、2-萘基,所述杂芳基为2-呋喃基、2-噻吩基,所述烷基为异丁基。
3.如权利要求1或2所述的制备方法,其特征在于,所述有机溶剂是N,N-二甲基甲酰胺。
4.如权利要求1或2所述的制备方法,其特征在于,所述有机溶剂的用量为8.0~10.0mL/mmol酰胺丙二酸二乙酯类化合物。
5.如权利要求1或2所述的制备方法,其特征在于,所述无机碱选自于碳酸钾、碳酸钠。
6.如权利要求1或2所述的制备方法,其特征在于,所述环化反应在0℃-50℃条件下进行。
7.如权利要求1或2所述的制备方法,其特征在于,所述环化反应的反应时间为4~12小时。
8.如权利要求1或2所述的制备方法,其特征在于,所述含三氟甲基烯类化合物、酰胺丙二酸二乙酯类化合物、碱的摩尔比为三氟甲基烯类化合物:酰胺丙二酸二乙酯类化合物:碱=3.0-1.0:1.0-2.0:1.0-2.0。
CN201610070648.5A 2016-02-01 2016-02-01 5-氟多取代二氢吡咯衍生物及其制备方法 Expired - Fee Related CN105481748B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610070648.5A CN105481748B (zh) 2016-02-01 2016-02-01 5-氟多取代二氢吡咯衍生物及其制备方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610070648.5A CN105481748B (zh) 2016-02-01 2016-02-01 5-氟多取代二氢吡咯衍生物及其制备方法

Publications (2)

Publication Number Publication Date
CN105481748A CN105481748A (zh) 2016-04-13
CN105481748B true CN105481748B (zh) 2018-05-15

Family

ID=55669070

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610070648.5A Expired - Fee Related CN105481748B (zh) 2016-02-01 2016-02-01 5-氟多取代二氢吡咯衍生物及其制备方法

Country Status (1)

Country Link
CN (1) CN105481748B (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107459475B (zh) * 2016-06-02 2019-09-27 中国科学院理化技术研究所 一种可见光催化合成吡咯-4-酮类衍生物的方法
CN107324982B (zh) * 2017-06-01 2020-07-14 华东师范大学 1-三氟甲基-四取代环戊烯衍生物及其制备方法和应用
CN111233666A (zh) * 2020-01-16 2020-06-05 山东师范大学 一种高效合成三氟甲基化合物的方法、三氟甲基化合物及应用
CN114685344A (zh) * 2020-12-29 2022-07-01 中国科学院福建物质结构研究所 一种3-氰基二氢吡咯类化合物及其制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101423488A (zh) * 2008-12-01 2009-05-06 华东师范大学 一种二氢吡咯衍生物的制备方法
CN102351769A (zh) * 2011-08-05 2012-02-15 中国科学技术大学 手性2,5-二氢吡咯衍生物及其合成方法和生物活性
CN104592181A (zh) * 2015-01-29 2015-05-06 华东师范大学 2-氟多取代4h-吡喃衍生物及其制备方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101423488A (zh) * 2008-12-01 2009-05-06 华东师范大学 一种二氢吡咯衍生物的制备方法
CN102351769A (zh) * 2011-08-05 2012-02-15 中国科学技术大学 手性2,5-二氢吡咯衍生物及其合成方法和生物活性
CN104592181A (zh) * 2015-01-29 2015-05-06 华东师范大学 2-氟多取代4h-吡喃衍生物及其制备方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DBU-catalyzed tandem additions of electron-deficient 1,3-conjugated enynes with 2-aminomalonates: a facile access to highly substituted 2-pyrrolines;Xiuzhao Yu, et al.,;《Chem. Commun.》;20121231;第48卷;第4003页table 2,右栏化学式 *
The nucleophilic 5-endo-trig cyclization of gem-difluoroolefins with homoallylic;Junji Ichikawa et al.,;《Chem. Commun.》;20000918;第1887-1888页 *

Also Published As

Publication number Publication date
CN105481748A (zh) 2016-04-13

Similar Documents

Publication Publication Date Title
CN105481748B (zh) 5-氟多取代二氢吡咯衍生物及其制备方法
CN101111462B (zh) 氟代衍生物的生产方法
CN101066945B (zh) 一种合成3-位取代内酰胺类化合物的方法
CN106573920A (zh) 用于在流感病毒感染中使用的吲哚
CN105960400A (zh) 氨磺酰基噻吩酰胺衍生物及其作为药物用于治疗乙型肝炎的用途
DE60008524T2 (de) Furanonderivate als inhibitoren von cathepsin s
CN102803260A (zh) 被取代的多环性氨基甲酰基吡啶酮衍生物
CN106543065B (zh) 一种4-三氟甲基-2,4-二取代-2,5-二氢吡咯衍生物及其制备方法和应用
KR20130143084A (ko) 마크로락탐의 제조 방법 및 중간체
CN109336887A (zh) 一种苯并咪唑并手性杂环类化合物及其制备方法和应用
CN108689903A (zh) 一种布瓦西坦的新的制备方法
Han et al. A convergent route to substituted azetidines and to Boc-protected 4-aminomethylpyrroles
CN109640657A (zh) 制备4-烷氧基-3-(酰基或脂族饱和烃基)氧基吡啶甲酰胺的方法
CN105899487B (zh) 5-羟基哌啶-2-甲酸的制造方法
WO2021201036A1 (ja) ヒドロキシピロリジン誘導体およびその医薬用途
CN103755708B (zh) 一种吲哚或吡咯并嘧啶衍生物的制备方法
CN105732648B (zh) 一种吡咯并呋喃的含氮杂环化合物及合成方法
CN107324982B (zh) 1-三氟甲基-四取代环戊烯衍生物及其制备方法和应用
CN103755587A (zh) 4-多氟烷基-2,4-二取代吡咯衍生物及其制备方法
CN102186817B (zh) (羟烷基)吡咯衍生物的阻转异构体
CN104884436B (zh) 苯并氮杂衍生物及其医药用途
CN110054637A (zh) 一种制备苯并磺内酰胺类含手性四氢吡啶骨架的不对称合成方法
CN107033206A (zh) 6‑甲基7位脱氮嘌呤核苷类化合物及其用途
Aslam et al. Direct lactonization of α-amino γ, δ-unsaturated carboxylic acid esters via olefin activation: stereo-and regioselective production of homoserine lactone scaffolds having contiguous stereocenters
CN107417548A (zh) 可比司他中间体及其制备方法

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
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180515