CN112441874A - 一种铱光催化合成9-三氟甲基-9,10-二氢菲类化合物的方法 - Google Patents
一种铱光催化合成9-三氟甲基-9,10-二氢菲类化合物的方法 Download PDFInfo
- Publication number
- CN112441874A CN112441874A CN201910794185.0A CN201910794185A CN112441874A CN 112441874 A CN112441874 A CN 112441874A CN 201910794185 A CN201910794185 A CN 201910794185A CN 112441874 A CN112441874 A CN 112441874A
- Authority
- CN
- China
- Prior art keywords
- trifluoromethyl
- solvent
- reaction
- dihydrophenanthrene
- photosensitizer
- 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
Links
- -1 9-trifluoromethyl-9, 10-dihydrophenanthrene compound Chemical class 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000002194 synthesizing effect Effects 0.000 title claims abstract description 11
- 230000001699 photocatalysis Effects 0.000 title abstract description 8
- 238000007146 photocatalysis Methods 0.000 title abstract description 8
- 229910052741 iridium Inorganic materials 0.000 title abstract description 4
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 title abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims abstract description 50
- 239000002904 solvent Substances 0.000 claims abstract description 49
- 239000003504 photosensitizing agent Substances 0.000 claims abstract description 25
- 238000002156 mixing Methods 0.000 claims abstract description 12
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 claims abstract description 11
- YEQLDWUZIYOCNZ-UHFFFAOYSA-N C(F)(F)(F)C1CC2=C(C=CC=C2)C2=CC=CC=C12 Chemical class C(F)(F)(F)C1CC2=C(C=CC=C2)C2=CC=CC=C12 YEQLDWUZIYOCNZ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000005286 illumination Methods 0.000 claims abstract description 3
- 239000011261 inert gas Substances 0.000 claims abstract description 3
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 44
- 238000004440 column chromatography Methods 0.000 claims description 44
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 42
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 36
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 31
- 239000003480 eluent Substances 0.000 claims description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 22
- 239000003208 petroleum Substances 0.000 claims description 22
- 239000000741 silica gel Substances 0.000 claims description 22
- 229910002027 silica gel Inorganic materials 0.000 claims description 22
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 22
- 239000012295 chemical reaction liquid Substances 0.000 claims description 19
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 16
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 3
- TXNLQUKVUJITMX-UHFFFAOYSA-N 4-tert-butyl-2-(4-tert-butylpyridin-2-yl)pyridine Chemical compound CC(C)(C)C1=CC=NC(C=2N=CC=C(C=2)C(C)(C)C)=C1 TXNLQUKVUJITMX-UHFFFAOYSA-N 0.000 claims description 3
- 229910000160 potassium phosphate Inorganic materials 0.000 claims description 3
- 235000011009 potassium phosphates Nutrition 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 2
- 239000000460 chlorine Substances 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 2
- 239000012046 mixed solvent Substances 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000007363 ring formation reaction Methods 0.000 abstract description 3
- 239000002912 waste gas Substances 0.000 abstract description 2
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 60
- 238000004821 distillation Methods 0.000 description 19
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 15
- 238000005160 1H NMR spectroscopy Methods 0.000 description 15
- 238000012512 characterization method Methods 0.000 description 15
- 239000007788 liquid Substances 0.000 description 15
- 239000000463 material Substances 0.000 description 15
- 239000012299 nitrogen atmosphere Substances 0.000 description 13
- 150000001875 compounds Chemical class 0.000 description 12
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 10
- XXPBFNVKTVJZKF-UHFFFAOYSA-N 9,10-dihydrophenanthrene Chemical class C1=CC=C2CCC3=CC=CC=C3C2=C1 XXPBFNVKTVJZKF-UHFFFAOYSA-N 0.000 description 9
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 8
- 229910052731 fluorine Inorganic materials 0.000 description 8
- 239000011737 fluorine Substances 0.000 description 8
- 238000003756 stirring Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 229940079593 drug Drugs 0.000 description 4
- ZIDLBTYIXJYCPN-UHFFFAOYSA-N C=C(C(F)(F)F)C(C=C(C=C1)Cl)=C1C1=CC=CC=C1 Chemical compound C=C(C(F)(F)F)C(C=C(C=C1)Cl)=C1C1=CC=CC=C1 ZIDLBTYIXJYCPN-UHFFFAOYSA-N 0.000 description 3
- VEMRGJVFKFEIKI-UHFFFAOYSA-N C=C(C1=CC=CC=C1C2=CC=CC=C2)C(F)(F)F Chemical compound C=C(C1=CC=CC=C1C2=CC=CC=C2)C(F)(F)F VEMRGJVFKFEIKI-UHFFFAOYSA-N 0.000 description 3
- JGJRSBGNPJKWJK-UHFFFAOYSA-N CC(C=C1)=CC(C2=CC=CC=C2)=C1C(C(F)(F)F)=C Chemical compound CC(C=C1)=CC(C2=CC=CC=C2)=C1C(C(F)(F)F)=C JGJRSBGNPJKWJK-UHFFFAOYSA-N 0.000 description 3
- KUIUSFVCSOIGRL-UHFFFAOYSA-N COC(C=C1)=CC(C2=CC=CC=C2)=C1C(C(F)(F)F)=C Chemical compound COC(C=C1)=CC(C2=CC=CC=C2)=C1C(C(F)(F)F)=C KUIUSFVCSOIGRL-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 239000002246 antineoplastic agent Substances 0.000 description 2
- 229940041181 antineoplastic drug Drugs 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 125000001153 fluoro group Chemical group F* 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
- BGYFUBDBUFZYNK-UHFFFAOYSA-N 1-iodo-2-(2-phenylethyl)benzene Chemical compound IC1=C(C=CC=C1)CCC1=CC=CC=C1 BGYFUBDBUFZYNK-UHFFFAOYSA-N 0.000 description 1
- PFNIKSLOCFISSE-UHFFFAOYSA-N 9-(trifluoromethyl)phenanthrene Chemical compound C1=CC=C2C(C(F)(F)F)=CC3=CC=CC=C3C2=C1 PFNIKSLOCFISSE-UHFFFAOYSA-N 0.000 description 1
- NHLSQFRTVXEBKL-UHFFFAOYSA-N CC1=CC=C(C(C(F)(F)F)=CC2=C3C=CC=C2)C3=C1 Chemical compound CC1=CC=C(C(C(F)(F)F)=CC2=C3C=CC=C2)C3=C1 NHLSQFRTVXEBKL-UHFFFAOYSA-N 0.000 description 1
- XPRUSWUFCLGOTF-UHFFFAOYSA-N CC1=CC=C(C(CC2=C3C=CC=C2)C(F)(F)F)C3=C1 Chemical compound CC1=CC=C(C(CC2=C3C=CC=C2)C(F)(F)F)C3=C1 XPRUSWUFCLGOTF-UHFFFAOYSA-N 0.000 description 1
- LFJDQAXKKKKPFO-UHFFFAOYSA-N CC1=CC=CC(CC(C(F)(F)F)C2=C3)=C1C2=CC=C3Cl Chemical compound CC1=CC=CC(CC(C(F)(F)F)C2=C3)=C1C2=CC=C3Cl LFJDQAXKKKKPFO-UHFFFAOYSA-N 0.000 description 1
- HFOAZRHIPOGCKK-UHFFFAOYSA-N COC1=CC=C(C(C(F)(F)F)=CC2=C3C=CC=C2)C3=C1 Chemical compound COC1=CC=C(C(C(F)(F)F)=CC2=C3C=CC=C2)C3=C1 HFOAZRHIPOGCKK-UHFFFAOYSA-N 0.000 description 1
- VIMOOTLVBHDZGA-UHFFFAOYSA-N COC1=CC=C(C(CC2=C3C=CC=C2)C(F)(F)F)C3=C1 Chemical compound COC1=CC=C(C(CC2=C3C=CC=C2)C(F)(F)F)C3=C1 VIMOOTLVBHDZGA-UHFFFAOYSA-N 0.000 description 1
- YNPNZTXNASCQKK-UHFFFAOYSA-N Phenanthrene Natural products C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 241000411851 herbal medicine Species 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000002757 inflammatory effect Effects 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 239000013384 organic framework Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/35—Preparation of halogenated hydrocarbons by reactions not affecting the number of carbon or of halogen atoms in the reaction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/18—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms
- B01J31/1805—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms the ligands containing nitrogen
- B01J31/181—Cyclic ligands, including e.g. non-condensed polycyclic ligands, comprising at least one complexing nitrogen atom as ring member, e.g. pyridine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/35—Preparation of halogenated hydrocarbons by reactions not affecting the number of carbon or of halogen atoms in the reaction
- C07C17/357—Preparation of halogenated hydrocarbons by reactions not affecting the number of carbon or of halogen atoms in the reaction by dehydrogenation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/18—Preparation of ethers by reactions not forming ether-oxygen bonds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/32—Preparation of ethers by isomerisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/30—Addition reactions at carbon centres, i.e. to either C-C or C-X multiple bonds
- B01J2231/32—Addition reactions to C=C or C-C triple bonds
- B01J2231/324—Cyclisations via conversion of C-C multiple to single or less multiple bonds, e.g. cycloadditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/82—Metals of the platinum group
- B01J2531/827—Iridium
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2603/00—Systems containing at least three condensed rings
- C07C2603/02—Ortho- or ortho- and peri-condensed systems
- C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
- C07C2603/22—Ortho- or ortho- and peri-condensed systems containing three rings containing only six-membered rings
- C07C2603/26—Phenanthrenes; Hydrogenated phenanthrenes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
一种铱光催化合成9‑三氟甲基‑9,10‑二氢菲类化合物的方法,所述方法为:将底物(I)、光敏剂、碱性物质、溶剂混合,在蓝色LED光照、温度15~40℃、惰性气体保护的条件下反应20~36h,之后反应液经后处理,得到9‑三氟甲基‑9,10‑二氢菲类化合物(II);本发明安全环保,不产生废气,操作危险性低;底物适应性好,各种取代基都可以实现环化;反应条件温和;同时,该反应具有一定的创新性,原子经济性高,采用光催化的方式来替代传统加热的模式,减少了能耗,更加符合现代绿色化学的理念;
Description
(一)技术领域
本发明涉及一种铱光催化合成9-三氟甲基-9,10-二氢菲类化合物的方法。
(二)背景技术
二氢菲类化合物又名9,10-二氢菲类化合物,其广泛存在于自然界,在很多中草药中都能发现此类化合物的踪迹。由于其结构的特殊性,使其在工业上有独特的应用价值,同时二氢菲类化合物作为一种重要的医药中间体,可以有效的抑制炎症因子的产生,可以合成一系列抗癌药物,是很多抗癌药物的有机骨架。
含氟化合物顾名思义,就是所谓的含有氟元素的化合物,含氟化合物的研究一直是一个巨大的领域,它可能涉及到社会的各个领域。由于氟原子的引入,会极大的改变化合物的空间性,电性,亲脂性,因此含氟类的化合物在制药、兽医、农药化学和材料化学科学中发挥着至关重要的作用。因此在药物的研发过程中,药物研究者常常会引入一个或者多个氟原子,从而改善药物的活性。正因为氟元素的独特性,使得科研工作者致力于研究含氟类化合物,掀起了研究有机氟化物的狂潮。
结合含氟类化合物和9,10-二氢菲类化合物在医药,农药等方面的极大用途,设计合成一种含氟 9,10-二氢菲类化合物是非常有必要的。而目前合成二氢菲类化合物的方法比较多,例如2011年, Daniela等人报道(Org.Lett.,2011,13,12)以2-苯乙基碘苯为底物,叔丁醇钾作为碱,吡啶作为溶剂,在微波160℃高温条件下,采用自由基加成环化的方式,以中等的收率合成了二氢菲类化合物 (scheme 1),但这种合成的方式有着较大的局限性,需要在高温条件下进行,与此同时,采用了吡啶这种毒性较大的溶剂,对环境影响较大,并且未获得较高的收率获得目标产物,原子利用率不高,不利于工业化生产。而本发明在一步合成9,10-二氢菲类化合物的同时,还成功引入了一个特殊官能团(三氟甲基),对9,10-二氢菲的结构进一步的做了修饰,使得合成的9-三氟甲基-9,10-二氢菲类化合物具有了生物活性的潜在可能性。与此同时,对于9-三氟甲基-9,10-二氢菲类化合物至今还未有人报道过,而本发明采用光催化的方式,以一个相对较为容易合成的2-苯基-α-三氟甲基-苯乙烯类化合物作为底物,采用当下符合社会发展潮流的光催化方式,以及高活性的Ir光敏剂为催化剂,相对毒性较小的四氢呋喃为溶剂,常用的K2CO3为碱,在室温条件下,以较高的收率获得目标产物 9-三氟甲基-9,10-二氢菲类化合物。此方法,不需要额外进行加热,能耗低,操作简单,100%原子利用率,符合当今绿色化学时代发展的主题。
(三)发明内容
针对现有技术的不足,本发明提供了一种通用、简便、高效的合成9-三氟甲基-9,10-二氢菲类化合物的方法。
本发明的技术方案如下:
一种合成9-三氟甲基-9,10-二氢菲类化合物的方法,所述方法为:
将底物(I)、光敏剂、碱性物质、溶剂混合,在蓝色LED(15w)光照、温度15~40℃(优选 25℃)、惰性气体保护的条件下反应20~36h(优选24h),之后反应液经后处理,得到9-三氟甲基-9,10-二氢菲类化合物(II);
所述底物(I)、光敏剂、碱性物质的物质的量之比为1:0.01~0.1:1~2,优选1:0.05:1.5;
所述溶剂的体积用量以底物(I)的物质的量计为10~20mL/mmol;
所述光敏剂为Ir(bpy)3、Ir(bpy)2(dtbpy)PF6、Ir(dF(CF3)ppy)2(dtbbpy)PF6中的一种或两种以上任意比例的混合物;
所述碱性物质为磷酸钾、碳酸钾、碳酸钠中的一种或两种以上任意比例的混合物;
所述溶剂为乙腈、四氢呋喃、1,4-二氧六环中的一种或两种以上任意比例的混合溶剂,优选四氢呋喃;
所述后处理的方法为:反应结束后,反应液中加入柱层析硅胶(100~200目),减压蒸除溶剂,进行柱色谱分离,以石油醚与乙酸乙酯体积比20:1的混合液作为洗脱剂洗脱,收集含目标产物的洗脱液,蒸除溶剂并干燥,得到9-三氟甲基-9,10-二氢菲类化合物(II);
反应式如下:
式(I)或式(II)中,
R1为氢、氯、甲基或甲氧基;
R2为氢、甲基或苯基;
所述光敏剂的结构式如下:
具体的,优选本发明所述9-三氟甲基-9,10-二氢菲类化合物(II)为下列化合物之一:
与现有技术相比,本发明的有益效果是:
(1)安全环保,不产生废气,操作危险性低;
(2)底物适应性好,各种取代基都可以实现环化;
(3)反应条件温和;
(4)同时,该反应具有一定的创新性,原子经济性高,采用光催化的方式来替代传统加热的模式,减少了能耗,更加符合现代绿色化学的理念。
(四)具体实施方式
下面结合具体实施例对本发明作进一步详细说明,但本发明的保护范围不限于此:
实施例1
将α-三氟甲基-2-苯基苯乙烯(0.3mmol,0.0744g)、光敏剂Ir(bpy)3(0.015mmol,0.0039g)、碳酸钾(0.45mmol,0.0621g)加入到15mL封管反应管中,再加入3mL四氢呋喃作溶剂。接着,在15w Blue LED照射下,25℃条件,氮气环境下反应24h,反应结束后,在反应液中加入两药匙(0.5g) 柱层析硅胶(100-200目),并通过减压蒸馏除去溶剂,再通过柱色谱分离得到如结构式所示的产物纯品(以石油醚/乙酸乙酯=20:1作为洗脱剂)。该物质为黄色液体,产率85%。
表征数据:1H NMR(500MHz,CDCl3)δ7.84(d,J=7Hz,1H),7.77(d,J=8Hz,1H),7.43(td,J1= 7.6Hz,J2=1.4Hz,1H),7.37(d,J=7.4Hz,1H),7.34–7.28(m,2H),7.28–7.22(m,2H),3.61-3.54(m, 1H),3.27(dd,J1=16.2,J2=6.5Hz,1H),3.20(dd,J1=16.2Hz,J2=3.2Hz,1H).13C NMR(125MHz, CDCl3)δ135.19,133.42,133.01,130.29,129.29,129.20,128.27,128.11,127.65,127.50,126.80(q,J= 280Hz).124.22,123.56,42.42(q,J=27.0Hz),28.51(q,J=2.5Hz).
实施例2
将α-三氟甲基-2-苯基苯乙烯(0.3mmol,0.0744g)、光敏剂Ir(bpy)2(dtbpy)PF6(0.015mmol, 0.0055g)、碳酸钾(0.45mmol,0.0621g)加入到15mL封管反应管中,再加入3mL四氢呋喃作溶剂。接着,在15w Blue LED照射下,25℃条件,氮气环境下反应24h,反应结束后,在反应液中加入两药匙柱层析硅胶(100-200目),并通过减压蒸馏除去溶剂,再通过柱色谱分离得到如结构式所示的产物纯品(以石油醚/乙酸乙酯=20:1作为洗脱剂)。该物质为黄色液体,产率63%。
表征数据:1H NMR(500MHz,CDCl3)δ7.84(d,J=7Hz,1H),7.77(d,J=8Hz,1H),7.43(td,J1= 7.6Hz,J2=1.4Hz,1H),7.37(d,J=7.4Hz,1H),7.34–7.28(m,2H),7.28–7.22(m,2H),3.61-3.54(m, 1H),3.27(dd,J1=16.2,J2=6.5Hz,1H),3.20(dd,J1=16.2Hz,J2=3.2Hz,1H).13C NMR(125MHz, CDCl3)δ135.19,133.42,133.01,130.29,129.29,129.20,128.27,128.11,127.65,127.50,126.80(q,J= 280Hz).124.22,123.56,42.42(q,J=27.0Hz),28.51(q,J=2.5Hz).
实施例3
将α-三氟甲基-2-(4-苯基-苯基)苯乙烯(0.3mmol,0.0972g)、光敏剂Ir(dF(CF3)ppy)2(dtbbpy)PF6 (0.015mmol,0.0055g)、碳酸钾(0.45mmol,0.0621g)加入到15mL封管反应管中,再加入3 mL四氢呋喃作溶剂。接着,在15w Blue LED照射下,25℃条件,氮气环境下反应36h,反应结束后,在反应液中加入两药匙柱层析硅胶(100-200目),并通过减压蒸馏除去溶剂,再通过柱色谱分离得到如结构式所示的产物纯品(以石油醚/乙酸乙酯=20:1作为洗脱剂)。该物质为黄色液体,产率63%。
表征数据:1H NMR(500MHz,CDCl3)δ7.90(d,J=7.5Hz,1H),7.86(d,J=8.5Hz,1H),7.68-7.66 (m,2H),7.59(dd,J1=8Hz,J2=1.5Hz,1H),7.51-7.46(m,4H),7.41-7.33(m,3H),3.66-3.61(m,1H), 3.36(dd,J1=16Hz,J2=6.5Hz,1H),3.29(dd,J1=16Hz,J2=8.5Hz,1H)13C NMR(126MHz,CDCl3)δ 140.85,140.49,134.93,133.47,132.47,130.36,129.25,129.21,128.82,127.68,127.48,126.97,126.80(q, J=280Hz),126.92,126.17,124.19,124.01,42.49(q,J=27Hz),28.68(q,J=2.5Hz).
实施例4
将α-三氟甲基-2-苯基苯乙烯(0.3mmol,0.0972g)、光敏剂Ir(bpy)3(0.003mmol,0.002g)、碳酸钾(0.45mmol,0.0621g)加入到15mL封管反应管中,再加入3mL四氢呋喃作溶剂。接着,在15w Blue LED照射下,25℃条件,氮气环境下反应24h,反应结束后,在反应液中加入两药匙柱层析硅胶(100-200目),并通过减压蒸馏除去溶剂,再通过柱色谱分离得到如结构式所示的产物纯品(以石油醚/乙酸乙酯=20:1作为洗脱剂)。该物质为黄色液体,产率58%。
表征数据:1H NMR(500MHz,CDCl3)δ7.84(d,J=7Hz,1H),7.77(d,J=8Hz,1H),7.43(td,J1= 7.6Hz,J2=1.4Hz,1H),7.37(d,J=7.4Hz,1H),7.34–7.28(m,2H),7.28–7.22(m,2H),3.61-3.54(m, 1H),3.27(dd,J1=16.2,J2=6.5Hz,1H),3.20(dd,J1=16.2Hz,J2=3.2Hz,1H).13C NMR(125MHz, CDCl3)δ135.19,133.42,133.01,130.29,129.29,129.20,128.27,128.11,127.65,127.50,126.80(q,J= 280Hz).124.22,123.56,42.42(q,J=27.0Hz),28.51(q,J=2.5Hz).
实施例5
将α-三氟甲基-2-苯基-4-甲基苯乙烯(0.3mmol,0.0786g)、光敏剂Ir(bpy)3(0.03mmol,0.0098 g)、碳酸钾(0.45mmol,0.0621g)加入到15mL封管反应管中,再加入3mL四氢呋喃作溶剂。接着,在15w Blue LED照射下,25℃条件,氮气环境下反应24h,反应结束后,在反应液中加入两药匙柱层析硅胶(100-200目),并通过减压蒸馏除去溶剂,再通过柱色谱分离得到如结构式所示的产物纯品(以石油醚/乙酸乙酯=20:1作为洗脱剂)。该物质为黄色液体,产率82%。
表征数据:1H NMR(500MHz,CDCl3)δ7.80(d,J=8Hz,1H),7.68(s,1H),7.35-7.32(m,1H), 7.29-7.25(m,3H),7,16-7.14(m,1H),3.61-3.53(m,1H),3.27(dd,J1=16Hz,J2=6Hz,1H),3.21(dd,J1=16Hz,J2=3Hz,1H),2.45(s,3H).13C NMR(125MHz,CDCl3)δ138.19,134.95,133.50,133.14, 130.14,128.45,128.26,127.97,127.41,126.87(q,J=280Hz),126.39,124.88,123.48,42.08(q,J=27 Hz),28.65(q,J=2.5Hz).
实施例6
将α-三氟甲基-2-苯基-4-甲基苯乙烯(0.3mmol,0.0786g)、光敏剂Ir(bpy)3(0.015mmol,0.0039 g)、磷酸钾(0.45mmol,0.0954g)加入到15mL封管反应管中,再加入3mL四氢呋喃作溶剂。接着,在15w Blue LED照射下,25℃条件,氮气环境下反应24h,反应结束后,在反应液中加入两药匙柱层析硅胶(100-200目),并通过减压蒸馏除去溶剂,再通过柱色谱分离得到如结构式所示的产物纯品(以石油醚/乙酸乙酯=20:1作为洗脱剂)。该物质为黄色液体,产率73%。
表征数据:1H NMR(500MHz,CDCl3)δ7.80(d,J=8Hz,1H),7.68(s,1H),7.35-7.32(m,1H), 7.29-7.25(m,3H),7,16-7.14(m,1H),3.61-3.53(m,1H),3.27(dd,J1=16Hz,J2=6Hz,1H),3.21(dd,J1=16Hz,J2=3Hz,1H),2.45(s,3H).13C NMR(125MHz,CDCl3)δ138.19,134.95,133.50,133.14, 130.14,128.45,128.26,127.97,127.41,126.87(q,J=280Hz),126.39,124.88,123.48,42.08(q,J=27 Hz),28.65(q,J=2.5Hz).
实施例7
将α-三氟甲基-2-苯基-4-甲基苯乙烯(0.3mmol,0.0786g)、光敏剂Ir(bpy)3(0.015mmol,0.0039 g)、碳酸钠(0.45mmol,0.0621g)加入到15mL封管反应管中,再加入3mL四氢呋喃作溶剂。接着,在15w Blue LED照射下,25℃条件,氮气环境下反应24h,反应结束后,在反应液中加入两药匙柱层析硅胶(100-200目),并通过减压蒸馏除去溶剂,再通过柱色谱分离得到如结构式所示的产物纯品(以石油醚/乙酸乙酯=20:1作为洗脱剂)。该物质为黄色液体,产率68%。
表征数据:1H NMR(500MHz,CDCl3)δ7.80(d,J=8Hz,1H),7.68(s,1H),7.35-7.32(m,1H), 7.29-7.25(m,3H),7,16-7.14(m,1H),3.61-3.53(m,1H),3.27(dd,J1=16Hz,J2=6Hz,1H),3.21(dd,J1=16Hz,J2=3Hz,1H),2.45(s,3H).13C NMR(125MHz,CDCl3)δ138.19,134.95,133.50,133.14, 130.14,128.45,128.26,127.97,127.41,126.87(q,J=280Hz),126.39,124.88,123.48,42.08(q,J=27 Hz),28.65(q,J=2.5Hz).
实施例8
将α-三氟甲基-2-苯基-5-氯苯乙烯(0.3mmol,0.0846g)、光敏剂Ir(bpy)3(0.015mmol,0.0039 g)、碳酸钾(0.3mmol,0.0414g)加入到15mL封管反应管中,再加入3mL四氢呋喃作溶剂。接着,在15w Blue LED照射下,25℃条件,氮气环境下反应24h,反应结束后,在反应液中加入两药匙柱层析硅胶(100-200目),并通过减压蒸馏除去溶剂,再通过柱色谱分离得到如结构式所示的产物纯品(以石油醚/乙酸乙酯=20:1作为洗脱剂)。该物质为黄色液体,产率61%。
表征数据:1H NMR(500MHz,CDCl3)δ7.78(d,J=8.5Hz,1H),7.74(d,J=8.0Hz,1H),7.44(d, J=2Hz,1H),7.42(d,J=2Hz,1H),7.39(s,1H),7.35-7.34(m,1H),7.32-7.26(m,1H),3.60-3.53(m,1H), 3.27(dd,J1=16Hz,J2=6.5Hz,1H),3.22(dd,J1=16.2Hz,J2=3.2Hz,1H).13C NMR(125MHz,CDCl3)δ 133.80,133.27,132.71,132.49,130.92,130.14,129.36,128.46,128.36,127.67,126.47(q,J=280Hz), 125.55,123.49,42.31(q,J=27Hz),28.32(q,J=2.5Hz).
实施例9
将α-三氟甲基-2-苯基-5-氯苯乙烯(0.3mmol,0.0846g)、光敏剂Ir(bpy)3(0.015mmol,0.0039 g)、碳酸钾(0.6mmol,0.0621g)加入到15mL封管反应管中,再加入3mL四氢呋喃作溶剂。接着,在15w Blue LED照射下,25℃条件,氮气环境下反应24h,反应结束后,在反应液中加入两药匙柱层析硅胶(100-200目),并通过减压蒸馏除去溶剂,再通过柱色谱分离得到如结构式所示的产物纯品(以石油醚/乙酸乙酯=20:1作为洗脱剂)。该物质为黄色液体,产率84%。
表征数据:1H NMR(500MHz,CDCl3)δ7.78(d,J=8.5Hz,1H),7.74(d,J=8.0Hz,1H),7.44(d, J=2Hz,1H),7.42(d,J=2Hz,1H),7.39(s,1H),7.35-7.34(m,1H),7.32-7.26(m,1H),3.60-3.53(m,1H), 3.27(dd,J1=16Hz,J2=6.5Hz,1H),3.22(dd,J1=16.2Hz,J2=3.2Hz,1H).13C NMR(125MHz,CDCl3)δ 133.80,133.27,132.71,132.49,130.92,130.14,129.36,128.46,128.36,127.67,126.47(q,J=280Hz), 125.55,123.49,42.31(q,J=27Hz),28.32(q,J=2.5Hz).
实施例10
将α-三氟甲基-2-苯基-5-氯苯乙烯(0.3mmol,0.0846g)、光敏剂Ir(bpy)3(0.015mmol,0.0039 g)、碳酸钾(0.45mmol,0.0621g)加入到15mL封管反应管中,再加入3mL乙腈作溶剂。接着,在15w Blue LED照射下,25℃条件,氮气环境下反应24h,反应结束后,在反应液中加入两药匙柱层析硅胶(100-200目),并通过减压蒸馏除去溶剂,再通过柱色谱分离得到如结构式所示的产物纯品(以石油醚/乙酸乙酯=20:1作为洗脱剂)。该物质为黄色液体,产率55%。
表征数据:1H NMR(500MHz,CDCl3)δ7.78(d,J=8.5Hz,1H),7.74(d,J=8.0Hz,1H),7.44(d, J=2Hz,1H),7.42(d,J=2Hz,1H),7.39(s,1H),7.35-7.34(m,1H),7.32-7.26(m,1H),3.60-3.53(m,1H), 3.27(dd,J1=16Hz,J2=6.5Hz,1H),3.22(dd,J1=16.2Hz,J2=3.2Hz,1H).13C NMR(125MHz,CDCl3)δ 133.80,133.27,132.71,132.49,130.92,130.14,129.36,128.46,128.36,127.67,126.47(q,J=280Hz), 125.55,123.49,42.31(q,J=27Hz),28.32(q,J=2.5Hz).
实施例11
将α-三氟甲基-2-苯基-4-甲氧基苯乙烯(0.3mmol,0.0834g)、光敏剂Ir(bpy)3(0.015mmol, 0.0039g)、碳酸钾(0.45mmol,0.0621g)加入到15mL封管反应管中,再加入3mL1,4-二氧六环作溶剂。接着,在15w Blue LED照射下,25℃条件,氮气环境下反应24h,反应结束后,在反应液中加入两药匙柱层析硅胶(100-200目),并通过减压蒸馏除去溶剂,再通过柱色谱分离得到如结构式所示的产物纯品(以石油醚/乙酸乙酯=20:1作为洗脱剂)。该物质为黄色液体,产率72%。
表征数据:1H NMR(500MHz,CDCl3)δ7.76(d,J=7.7Hz,1H),7.38(d,J=2.6Hz,1H),7.36– 7.32(m,1H),7.31(d,J=8.2Hz,1H),7.28(dd,J=6.7,1.1Hz,2H),6.88(dd,J1=8.4Hz,J2=2.6Hz, 1H),3.90(s,3H),3.59-3.51(m,1H),3.27(dd,J1=16.2Hz,J2=6.5Hz,1H),3.20(dd,J1=16.2Hz,J2= 3.0Hz,1H).13C NMR(126MHz,CDCl3)δ160.35,136.38,133.34,133.24,131.36,128.30,128.22, 127.44,126.88(q,J=280Hz),123.57,121.59,113.03,109.85,77.29,77.04,76.78,55.42,41.71(q,J= 27Hz),28.73(q,J=2.5Hz).
实施例12
将α-三氟甲基-2-苯基-4-甲氧基苯乙烯(0.3mmol,0.0834g)、光敏剂Ir(bpy)3(0.015mmol, 0.0039g)、碳酸钾(0.45mmol,0.0621g)加入到15mL封管反应管中,再加入3mL四氢呋喃作溶剂。接着,在15w Blue LED照射下,15℃条件,氮气环境下反应24h,反应结束后,在反应液中加入两药匙柱层析硅胶(100-200目),并通过减压蒸馏除去溶剂,再通过柱色谱分离得到如结构式所示的产物纯品(以石油醚/乙酸乙酯=20:1作为洗脱剂)。该物质为黄色液体,产率78%。
表征数据:1H NMR(500MHz,CDCl3)δ7.76(d,J=7.7Hz,1H),7.38(d,J=2.6Hz,1H),7.36– 7.32(m,1H),7.31(d,J=8.2Hz,1H),7.28(dd,J=6.7,1.1Hz,2H),6.88(dd,J1=8.4Hz,J2=2.6Hz, 1H),3.90(s,3H),3.59-3.51(m,1H),3.27(dd,J1=16.2Hz,J2=6.5Hz,1H),3.20(dd,J1=16.2Hz,J2= 3.0Hz,1H).13C NMR(126MHz,CDCl3)δ160.35,136.38,133.34,133.24,131.36,128.30,128.22, 127.44,126.88(q,J=280Hz),123.57,121.59,113.03,109.85,77.29,77.04,76.78,55.42,41.71(q,J= 27Hz),28.73(q,J=2.5Hz).
实施例13
将α-三氟甲基-2-苯基-4-甲氧基苯乙烯(0.3mmol,0.0834g)、光敏剂Ir(bpy)3(0.015mmol, 0.0039g)、碳酸钾(0.45mmol,0.0621g)加入到15mL封管反应管中,再加入3mL四氢呋喃作溶剂。接着,在15w Blue LED照射下,40℃条件,氮气环境下反应24h,反应结束后,在反应液中加入两药匙柱层析硅胶(100-200目),并通过减压蒸馏除去溶剂,再通过柱色谱分离得到如结构式所示的产物纯品(以石油醚/乙酸乙酯=20:1作为洗脱剂)。该物质为黄色液体,产率69%。
表征数据:1H NMR(500MHz,CDCl3)δ7.76(d,J=7.7Hz,1H),7.38(d,J=2.6Hz,1H),7.36– 7.32(m,1H),7.31(d,J=8.2Hz,1H),7.28(dd,J=6.7,1.1Hz,2H),6.88(dd,J1=8.4Hz,J2=2.6Hz, 1H),3.90(s,3H),3.59-3.51(m,1H),3.27(dd,J1=16.2Hz,J2=6.5Hz,1H),3.20(dd,J1=16.2Hz,J2= 3.0Hz,1H).13C NMR(126MHz,CDCl3)δ160.35,136.38,133.34,133.24,131.36,128.30,128.22, 127.44,126.88(q,J=280Hz),123.57,121.59,113.03,109.85,77.29,77.04,76.78,55.42,41.71(q,J= 27Hz),28.73(q,J=2.5Hz).
实施例14
将α-三氟甲基-2-(4-苯基-苯基)苯乙烯(0.3mmol,0.0972g)、光敏剂Ir(bpy)3(0.015mmol, 0.0039g)、碳酸钾(0.45mmol,0.0621g)加入到15mL封管反应管中,再加入3mL四氢呋喃作溶剂。接着,在15w Blue LED照射下,25℃条件,氮气环境下反应20h,反应结束后,在反应液中加入两药匙柱层析硅胶(100-200目),并通过减压蒸馏除去溶剂,再通过柱色谱分离得到如结构式所示的产物纯品(以石油醚/乙酸乙酯=20:1作为洗脱剂)。该物质为黄色液体,产率80%。
表征数据:1H NMR(500MHz,CDCl3)δ7.90(d,J=7.5Hz,1H),7.86(d,J=8.5Hz,1H),7.68-7.66 (m,2H),7.59(dd,J1=8Hz,J2=1.5Hz,1H),7.51-7.46(m,4H),7.41-7.33(m,3H),3.66-3.61(m,1H), 3.36(dd,J1=16Hz,J2=6.5Hz,1H),3.29(dd,J1=16Hz,J2=8.5Hz,1H)
13C NMR(126MHz,CDCl3)δ140.85,140.49,134.93,133.47,132.47,130.36,129.25,129.21, 128.82,127.68,127.48,126.97,126.80(q,J=280Hz),126.92,126.17,124.19,124.01,42.49(q,J=27Hz), 28.68(q,J=2.5Hz).
实施例15
将α-三氟甲基-2-(4-苯基-苯基)苯乙烯(0.3mmol,0.0972g)、光敏剂Ir(bpy)3(0.015mmol, 0.0039g、碳酸钾(0.45mmol,0.0621g)加入到15mL封管反应管中,再加入3mL四氢呋喃作溶剂。接着,在15w Blue LED照射下,25℃条件,氮气环境下反应36h,反应结束后,在反应液中加入两药匙柱层析硅胶(100-200目),并通过减压蒸馏除去溶剂,再通过柱色谱分离得到如结构式所示的产物纯品(以石油醚/乙酸乙酯=20:1作为洗脱剂)。该物质为黄色液体,产率85%。
表征数据:1H NMR(500MHz,CDCl3)δ7.90(d,J=7.5Hz,1H),7.86(d,J=8.5Hz,1H),7.68-7.66 (m,2H),7.59(dd,J1=8Hz,J2=1.5Hz,1H),7.51-7.46(m,4H),7.41-7.33(m,3H),3.66-3.61(m,1H), 3.36(dd,J1=16Hz,J2=6.5Hz,1H),3.29(dd,J1=16Hz,J2=8.5Hz,1H)13C NMR(126MHz,CDCl3)δ 140.85,140.49,134.93,133.47,132.47,130.36,129.25,129.21,128.82,127.68,127.48,126.97,126.80(q, J=280Hz),126.92,126.17,124.19,124.01,42.49(q,J=27Hz),28.68(q,J=2.5Hz).
与此同时,本发明所合成的9-三氟甲基-9,10-二氢菲类化合还有以下应用(如下所示scheme 2)。
将本发明合成的9-三氟甲基-9,10-二氢菲类化合物(0.3mmol)溶解于3ml四氢呋喃中,再加入DDQ(0.45mmol,0.102g),在室温条件下搅拌1小时,反应结束后,在反应液中加入两药匙柱层析硅胶(100-200目),并通过减压蒸馏除去溶剂,再通过柱色谱分离得到如结构式所示的产物纯品 (以石油醚/乙酸乙酯=20:1作为洗脱剂)。得到目标产物9-三氟甲基菲类化合物。
具体物质的合成例如:
将9-三氟甲基-9,10-二氢菲(0.3mmol,0.0744g)溶解于3ml四氢呋喃中,再加入DDQ(0.45 mmol,0.102g),在室温条件下搅拌1小时,反应结束后,在反应液中加入两药匙柱层析硅胶(100-200 目),并通过减压蒸馏除去溶剂,再通过柱色谱分离得到如结构式所示的产物纯品(以石油醚/乙酸乙酯=20:1作为洗脱剂)。得到目标产物9-三氟甲基菲。
将6-甲基-9-三氟甲基-9,10-二氢菲(0.3mmol,0.0786g)溶解于3ml四氢呋喃中,再加入 DDQ(0.45mmol,0.102g),在室温条件下搅拌1小时,反应结束后,在反应液中加入两药匙柱层析硅胶(100-200目),并通过减压蒸馏除去溶剂,再通过柱色谱分离得到如结构式所示的产物纯品(以石油醚/乙酸乙酯=20:1作为洗脱剂)。得到目标产物6-甲基-9-三氟甲基菲。
将4-甲基-7-氯-9-三氟甲基-9,10-二氢菲(0.3mmol,0.0888g)溶解于3ml四氢呋喃中,再加入DDQ(0.45mmol,0.102g),在室温条件下搅拌1小时,反应结束后,在反应液中加入两药匙柱层析硅胶(100-200目),并通过减压蒸馏除去溶剂,再通过柱色谱分离得到如结构式所示的产物纯品 (以石油醚/乙酸乙酯=20:1作为洗脱剂)。得到目标产物4-甲基-7-氯-9-三氟甲基菲。
将6-甲氧基-9-三氟甲基-9,10-二氢菲(0.3mmol,0.0834g)溶解于3ml四氢呋喃中,再加入 DDQ(0.45mmol,0.102g),在室温条件下搅拌1小时,反应结束后,在反应液中加入两药匙柱层析硅胶(100-200目),并通过减压蒸馏除去溶剂,再通过柱色谱分离得到如结构式所示的产物纯品(以石油醚/乙酸乙酯=20:1作为洗脱剂)。得到目标产物6-甲氧基-9-三氟甲基菲。
Claims (4)
1.一种合成9-三氟甲基-9,10-二氢菲类化合物的方法,其特征在于,所述方法为:
将底物(I)、光敏剂、碱性物质、溶剂混合,在蓝色LED光照、温度15~40℃、惰性气体保护的条件下反应20~36h,之后反应液经后处理,得到9-三氟甲基-9,10-二氢菲类化合物(II);
所述底物(I)、光敏剂、碱性物质的物质的量之比为1:0.01~0.1:1~2;
所述光敏剂为Ir(bpy)3、Ir(bpy)2(dtbpy)PF6、Ir(dF(CF3)ppy)2(dtbbpy)PF6中的一种或两种以上任意比例的混合物;
所述碱性物质为磷酸钾、碳酸钾、碳酸钠中的一种或两种以上任意比例的混合物;
所述溶剂为乙腈、四氢呋喃、1,4-二氧六环中的一种或两种以上任意比例的混合溶剂;
反应式如下:
式(I)或式(II)中,
R1为氢、氯、甲基或甲氧基;
R2为氢、甲基或苯基。
2.如权利要求1所述合成9-三氟甲基-9,10-二氢菲类化合物的方法,其特征在于,所述底物(I)、光敏剂、碱性物质的物质的量之比为1:0.05:1.5。
3.如权利要求1所述合成9-三氟甲基-9,10-二氢菲类化合物的方法,其特征在于,所述溶剂的体积用量以底物(I)的物质的量计为10~20mL/mmol。
4.如权利要求1所述合成9-三氟甲基-9,10-二氢菲类化合物的方法,其特征在于,所述后处理的方法为:反应结束后,反应液中加入柱层析硅胶,减压蒸除溶剂,进行柱色谱分离,以石油醚与乙酸乙酯体积比20:1的混合液作为洗脱剂洗脱,收集含目标产物的洗脱液,蒸除溶剂并干燥,得到9-三氟甲基-9,10-二氢菲类化合物(II)。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910794185.0A CN112441874B (zh) | 2019-08-27 | 2019-08-27 | 一种铱光催化合成9-三氟甲基-9,10-二氢菲类化合物的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910794185.0A CN112441874B (zh) | 2019-08-27 | 2019-08-27 | 一种铱光催化合成9-三氟甲基-9,10-二氢菲类化合物的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112441874A true CN112441874A (zh) | 2021-03-05 |
CN112441874B CN112441874B (zh) | 2022-03-18 |
Family
ID=74742270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910794185.0A Active CN112441874B (zh) | 2019-08-27 | 2019-08-27 | 一种铱光催化合成9-三氟甲基-9,10-二氢菲类化合物的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112441874B (zh) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106977470A (zh) * | 2017-03-31 | 2017-07-25 | 浙江工业大学 | 一种可见光催化的2‑亚胺噻唑啉类衍生物的合成方法 |
CN107011145A (zh) * | 2017-03-31 | 2017-08-04 | 浙江工业大学 | 一种利用可见光催化制备2‑碘戊‑2‑烯‑1,4‑二酮衍生物的方法 |
CN108774129A (zh) * | 2018-07-17 | 2018-11-09 | 浙江工业大学 | 可见光催化有机硼酸制备α,β-不饱和羧酸酯衍生物的方法 |
CN109293468A (zh) * | 2018-09-30 | 2019-02-01 | 中南大学 | 一种通过铱催化nhp酯与末端芳基炔烃的脱羧偶联反应合成顺式烯烃的方法 |
-
2019
- 2019-08-27 CN CN201910794185.0A patent/CN112441874B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106977470A (zh) * | 2017-03-31 | 2017-07-25 | 浙江工业大学 | 一种可见光催化的2‑亚胺噻唑啉类衍生物的合成方法 |
CN107011145A (zh) * | 2017-03-31 | 2017-08-04 | 浙江工业大学 | 一种利用可见光催化制备2‑碘戊‑2‑烯‑1,4‑二酮衍生物的方法 |
CN108774129A (zh) * | 2018-07-17 | 2018-11-09 | 浙江工业大学 | 可见光催化有机硼酸制备α,β-不饱和羧酸酯衍生物的方法 |
CN109293468A (zh) * | 2018-09-30 | 2019-02-01 | 中南大学 | 一种通过铱催化nhp酯与末端芳基炔烃的脱羧偶联反应合成顺式烯烃的方法 |
Non-Patent Citations (2)
Title |
---|
FREDERICK D. LEWIS ET AL: "Conformer-specific photoisomerizaton of some 2-vinylbiphenyls", 《PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES》 * |
ZHAO, JIANNAN ET AL: "Intramolecular Crossed [2+2] Photocycloaddition through Visible Light-Induced Energy Transfer", 《JOURNAL OF THE AMERICAN CHEMICAL SOCIETY》 * |
Also Published As
Publication number | Publication date |
---|---|
CN112441874B (zh) | 2022-03-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN112441875B (zh) | 一种铜光催化合成9-三氟甲基-9,10-二氢菲类化合物的方法 | |
CN107011145B (zh) | 一种利用可见光催化制备2-碘戊-2-烯-1,4-二酮衍生物的方法 | |
CN108276287B (zh) | 一种可见光催化的4-氧代丙烯酸酯类衍生物的合成方法 | |
CN108047107B (zh) | 二苯基二硒醚类化合物的制备方法 | |
CN112979644B (zh) | 一种利用光催化微通道制备氟甲基化吲哚[2,1,a]异喹啉衍生物的方法 | |
CN108178770B (zh) | 一种合成α-氨基硼化合物的方法 | |
CN112321487A (zh) | 一种多取代异吲哚啉化合物及其制备方法 | |
CN112441874B (zh) | 一种铱光催化合成9-三氟甲基-9,10-二氢菲类化合物的方法 | |
CN111004234A (zh) | 一种2-苯基咪唑并[1,2-α]吡啶类化合物的C3位卤化方法 | |
CN112441921B (zh) | 一种铱光催化合成9-乙酰氧基-9,10-二氢菲类化合物的方法 | |
CN112441920B (zh) | 一种铜光催化合成9-乙酰氧基-9,10-二氢菲类化合物的方法 | |
CN109867694B (zh) | 一种氧导向的7-炔基吲哚类化合物的合成方法 | |
CN112441935B (zh) | 一种β-氨基酮类化合物的合成方法 | |
CN107445835B (zh) | 一种1,2-二氢环丁烯并[a]萘衍生物及其前体的合成方法 | |
CN111499607B (zh) | 一种六元芳基内酯或六元芳基内酰胺化合物的制备方法 | |
CN111807977A (zh) | 9-苯胺芴-9-羧酸酯类化合物及其制备方法 | |
CN106883185B (zh) | 一种4-氯-2-三氟甲基嘧啶的制备方法 | |
CN111393437B (zh) | 三取代吲嗪类化合物及其制备方法 | |
CN114773245B (zh) | 一种三氟甲基硒醚的制备方法 | |
CN110194760B (zh) | 制备3-亚苄基-2-(7’-喹啉)-2,3-二氢-异吲哚-1-酮类化合物的方法 | |
CN110845390B (zh) | 一种3-氟氧化吲哚衍生物的制备方法 | |
CN109912521B (zh) | 一种一步合成烯基取代的1,2,3-三氮唑衍生物的方法 | |
CN117510526A (zh) | 一种可见光促进硒代环硼酸酯化合物的合成方法 | |
CN116410126A (zh) | 一种配体、钌配合物及其制备方法和在催化炔烃半氢化反应中的应用 | |
CN117603174A (zh) | 一种可见光光催化制备苯并环氧化杂环的方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |