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Synthesis and Characterization of Aminodipyridylphosphine Oxide Iron(II) Complexes. Catalytic Application on Microwave-Assisted Amidation of Aldehydes.

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Presentation on theme: "Synthesis and Characterization of Aminodipyridylphosphine Oxide Iron(II) Complexes. Catalytic Application on Microwave-Assisted Amidation of Aldehydes."— Presentation transcript:

1 Synthesis and Characterization of Aminodipyridylphosphine Oxide Iron(II) Complexes. Catalytic Application on Microwave-Assisted Amidation of Aldehydes 指導教授 : 于淑君 博士 2013 / 07 /25 1 學 生 : 蔡俊偉

2 2 Green Chemistry 化學反應的綠色化  原子經濟反應 產品的綠色化  環境友好產品 溶劑的綠色化  無毒無害的溶劑 原料的綠色化  無毒無害的原料  可再生資源 觸媒的綠色化  無毒無害的觸媒 能源的綠色化  提升能源的效率 如微波 Chahbane, N.; Popescue, D., L.; Mitchell, D., A.; Chanda, A.; Lenoir, D.; Ryabov, A.D.; Schramm, K., W. and Collins, T., J. Green Chem. 2007, 9, 49–57.

3 Green Catalysts Solid acid catalysts – Ex, Nafion-H, SO 4 2- /ZrO2 、 SO 4 2- /TiO 2, … HPA catalysts – H 3 PMo 12 O 40, H 4 PW 11 VO 40 Zeolite catalysts – ZSM-5, X-type, Y-type Metal catalysts – heterogeneous catalysis, homogeneous catalysis Enzyme 3 Sheldon, R., A.; Arends, I., W.,C., E.; and Hanefeld, U. (2007) Green Chemistry and Catalysis, Wiley-VCH Verlag GmbH, Weinheim

4 4 Application of Green Chemistry Sonogashira coupling timeyield (%) Conventional18h80 Microwave assisted25 min97 Epoxidation 物質動物, 途徑 Lethal Dose, 50% (LD 50 ) FeCl 3.6H 2 O 大鼠, 口服 1872 mg/ kg FeCl 2.4H 2 O 大鼠, 口服 1678 mg/ kg RuCl 3 大鼠, 口服 210 mg/kg Anilkumar, G.; Bhor, S.; et. al. Tetrahedron Asymm., 2005, 16, 3536–3561 Hasan, K.; Browne, N. and Kozak, C.,M. Green Chem., 2011, 13, 1230.

5 5 Phosphine Ligand Phosphines are electronically and sterically tunable. Chemical waste - water bloom Air/water sensitive and thermally unstable. Metal leaching.. Expensive. Kinzel, E. J. Chem. Soc. Chem. Commun. 1986 1098.

6 The Importance of Fe(II) Iron is one of the most abundant metals on earth. (5.6% of earth’s crust. 4th most abundant element after oxygen, silicon, and aluminum. Iron is environmentally friendly metal Low toxic In body play a important role to transport oxygen (woman 2.5g , man 4g) 60 mg/kg to iron poisoning 6

7 The Catalytic Applications of Fe(II)  Ring Opening Reactions  Kharasch Reaction  Cross-Coupling Reactions  Mukaiyama-aldol reaction  Cycloadditions  [2+1]-Cycloadditions  [2+2]-Cycloadditions  Acetalization  Diels-Alder Reaction  Sulfide Oxidations  Aminochlorination  Allylic Aminations  Baeyer-Villiger Reactions  Amidation Reaction 7

8 Amide Bond C. A. G. N. Montalbetti, V. Falque Tetrahedron, 2005, 61, 10827–10852 8

9 Application of Acyl Sulfonamides HCV NS5B polymerase allosteric inhibitors antitumor activity 9 Navitoclax S. Jana, F. Hof. J. Org. Chem. 2011, 76, 3733–3741 Hepatitis C Virus Non-structural protein 5B, NS5B

10 Acyl Sulfonamides 10 J. Chan,* K. D. Baucom, and J. A. Murry J. Am. Chem. Soc. 2007,, 129, 14106-14107 J. W. W. Chang and P. W. H. Chan*, et al. Angew. Chem. Int. Ed. 2008, 47, 1138-1140 J. W. W. Chang and P. W. H. Chan*,et.al. J. Org. Chem. 2011, 76, 4894-4904

11 11 Motivation  Well-defined structure  Iron is environmentally friendly metal  Iron is less expensive than other transition metals. - Rh 2 (esp) 2 $ 30172 USD/mol ReagentPlus ® (Aldrich) - Ru(TTP)CO $ 20740 USD/mol reagent grade (Sigma-Aldrich) - FeCl 2. 4H 2 O $ 148 USD/mol reagent grade (Sigma-Aldrich)  Using bipyridine ligand to replace phosphine ligand in organomatallic catalysis.  Microwave to replace thermal energy

12 80 % Synthesis of 4C-Ppy 2 and (4C-Ppy 2 ) 2 FeCl 2 IR (KBr) : py Ring stretching = 1590(s), 1426(s) cm -1 12 80 %

13 IR Spectra of 4C-Ppy 2 and (4C-Ppy 2 ) 2 FeCl 2 ν C - C (Py ring) ν C - N (Py ring) Wavenumber (cm -1 ) pyridine ring vibration ν(C = N) Δν Ln- FeCl 2 a 1650 → 166818 PdCl 2 (2-pmOpe) 2 b 1594 → 160915 11C-Ppy 2 -Cu(OTf)1570 → 159222 11C-Ppy 2 -NiBr 2 1577 → 159215 11C-Ppy 2 -Pd(OAc) 2 1574 → 158612 11C-Ppy 2 -MnCl 2 1574 → 158612 b. a. Hahn, F. E.; Langehahn, V.; Lügger, T.; Pape, T.; Le Van, D. Angew. Chem. Int. Ed. 2005, 44, 3759-3763. Zerong, L.; Zhongquan, L.; Ning, M. and Biao, W. Bull. Korean Chem. Soc. 2011, 32, 2537-3543 wavernumber

14 Iron Complexes –Catalyzed Amidation Reactions of Aldehyde with PhINTs 14 entrycatalyticYield(%) a 1 FeCl 2 . 4H 2 O 20 2 FeCl 3 . 6H 2 O 15 3FeCl 2 + 4C-Ppy 2 90 4FeCl 3 + 4C-Ppy 2 76 a Yields were determined by H-NMR. Reaction conditions: aldehyde (1 equiv.), PhINTs (1.5 equiv.), catalyst (0.05 equiv.), solvent = 0.67 mL, 50 o C, 3 hr

15 AA Spectrum of [CH 3 (CH 2 ) 3 N(H)P(O)(2-py) 2 ] 2 FeCl 2 15 1.467  10 -6 mol/mg Fe ppm 吸收度 30.153 60.267 90.365 120.483 150.562 mol/mg Fe 1 1.679  10 -6 2 1.653  10 -6 3 1.589  10 -6 2.487  10 -6 mol/mg Fe Calculated base on chemical formula experimental AA data

16 16 Colorimetry of [CH 3 (CH 2 ) 3 N(H)P(O)(2-py) 2 ] 2 FeCl 2 1,10-Phenanthroline Fe 2+ + 3phen  (phen) 3 Fe(II ) Visible spectrum of (phen) 3 Fe(II) max = 510nm (4C-Ppy 2 ) 2 -FeCl 2 (3) mol/mg FeCl 2 ·4H 2 O mol/mg 理論值 a 1.48 × 10 -6 5.031 × 10 -6 AA 實驗值 1.58 × 10 -6 4.671 × 10 -6 傳統比色分析 1.42× 10 -6 3.783 × 10 -6 二價鐵純度 b 80 %81 % a.Calculated base on chemical formula b. ( 傳統比色分析 / AA 實驗值 ) × 100% Harvey, J.; Aubrey, E.; John, A. Smart, Analytical Chemistry 1955, 27, 26-29.

17 ESI-MS Spectrum of [CH 3 (CH 2 ) 3 N(H)P(O)(2-py) 2 ] 2 FeCl 2 [CH 3 (CH 2 ) 3 N(H)P(O)(2-py) 2 ] 2 FeCl 2 + = 641 (m/z) Simulated MS Data [CH 3 (CH 2 ) 3 N(H)P(O)(2-py) 2 ]FeCl 2 + = 366 (m/z) Experimental MS Data 17

18 EPR Spectrum of [CH 3 (CH 2 ) 3 N(H)P(O)(2-py) 2 ] 2 FeCl 2 18 g = 2.199 g = 2.04 (radical) 77 k, MeOH 300 k, MeOH Li Zhong-Fang, et al. Chinese Journal of Inoranic chemistry 2003, 19.7, 691-698.

19 80 % 93 % Synthesis of 11C-Ppy 2 Lin, Y.-Y; Tsai, S.-C.; Yu, S. J. J. Org. Chem. 2008, 73, 4920-4928. 19

20 20 Synthesis of (11C-Ppy 2 ) 2 -FeCl 2 IR (KBr) : py Ring stretching = 1588(s), 1425 (s) cm -1

21 IR Spectra of 11C-Ppy 2 and (11C-Ppy 2 ) 2 -FeCl 2 21 1575cm -1 1424cm -1 1588cm -1 1426cm -1 Wavenumber T( %) ν C - C (Py ring) ν C - N (Py ring) 2

22 AA Spectrum of [HO(CH 2 ) 11 N(H)P(O)(2-py) 2 ] 2 FeCl 2 22 1.106  10 -6 mol/mg Fe 1.937  10 -6 mol/mg Fe mol/mg Fe 1 1.324  10 -6 2 1.413  10 -6 experimental AA data Calculated base on chemical Formula

23 23 Colorimetry of [HO(CH 2 ) 11 N(H)P(O)(2-py) 2 ] 2 FeCl 2 1,10-Phenanthroline Fe 2+ + 3phen  (phen) 3 Fe(II ) Visible spectrum of (phen) 3 Fe(II) max = 510nm (11C-Ppy 2 ) 2 -FeCl 2 (6) mol/mg FeCl 2 ·4H 2 O mol/mg 理論值 a 1.11 × 10 -6 5.031 × 10 -6 AA 實驗值 1.32 × 10 -6 4.671 × 10 -6 傳統比色分析 1.03× 10 -6 3.783 × 10 -6 二價鐵純度 b 78 %81 % a.Calculated base on chemical formula b. ( 傳統比色分析 / AA 實驗值 ) × 100% Harvey, J.; Aubrey, E.; John, A. Smart, Analytical Chemistry 1955, 27, 26-29.

24 ESI-MS Spectrum of [HO(CH 2 ) 11 N(H)P(O)(2-py) 2 ] 2 FeCl 2 [HO 3 (CH 2 ) 11 N(H)P(O)(2-py) 2 ] 2 FeCl + = 869 (m/z) 24 Simulated MS Data Experimental MS Data

25 Optimization of Reaction Conditions entryPhINTs(equiv.)temp.hourcolventconv.% 12rt18CH 2 Cl 2 87% 224018CH 2 Cl 2 95% 32406CH 2 Cl 2 85% 40.5406CH 2 Cl 2 56% 51.5406CH 2 Cl 2 88% 61.5403CH 2 Cl 2 56% 71.5403CHCl 3 89% 81.5403CH 3 CN65% 9b9b 1.54018CHCl 3 30% 101.5rt3CHCl 3 50% 25 5 mol % b. no cat.

26 entrysolventtime (hr) Polarity (P * )yield a (%) 1CHCl 3 34.189 2CH 2 Cl 2 33.156 3CH 2 Cl 2 685 4CH 3 CN35.865 5CH 2 Cl 2 : Toluene = 1 : 130.5 × 3.1 + 0.5 × 2.424 6CHCl 3 : Toluene = 2 : 130.67 × 4.1 + 0.33 × 2.418 7MeOH35.120 8DMSO37.2NA 9[Bmim]Br313 a Yields were determined by H-NMR. Reaction conditions: aldehyde (1 equiv.), PhINTs (1.5 equiv.), catalyst (0.05 equiv.), solvent = 0.67 mL, 40 o C, 3 hr NA = not available 26 Reaction Conditions Screening P * AB =Q A P * A +Q B P * B [Bmim]PF 6 dipole moment 14.89 D

27 27 (4C-Ppy 2 ) 2 -Fe(II) Complex –Catalyzed Amidation Reactions of Aldehyde with PhINTs General reaction conditions: Aldehyde (1 equiv.), PhINTs (1.5 equiv.), Catalyst (0.05 equiv.) Solvent = 0.67 mL, 40 o C, 3 h. a Yields were determined by 1 H-NMR. b. PhINTs = 2 equiv. c 18 h

28 Summary of Fe(II) catalytic Activity EntryProduct (4C-Ppy 2 ) 2 - FeCl 2 Yield(%) a (11C-Ppy 2 ) 2 - FeCl 2 Yield(%) a EntryProduct (4C-Ppy 2 ) 2 - FeCl 2 Yield(%) a (11C-Ppy 2 ) 2 - FeCl 2 Yield(%) a 1 90 86 7 90 85 2 92 87 8 85 77 3 82 80 9 85 86 4 90 85 10 78 75 5 59 64 b 57 11 67 84 b 65 6 92 83 12 87 80 General reaction conditions: Aldehyde (1 equiv.), PhINTs (1.5 equiv.), Catalyst (0.05 equiv.) Solvent = 0.67 mL, 40 o C, 3 h. a Yields were determined by 1 H-NMR. b. PhINTs = 2.0 equiv.

29 29 Proposed Mechanism of Amidation Reactions of Aldehyde with PhINTs J. W. W. Chang and P. W. H. Chan* J. Org. Chem. 2011, 76, 4894-4904 byproduct

30 Microwave Assisted Amidation Reactions of Aldehyde with PhINTs 30 entryM.W. power time. ( s )solventYieldDielectric loss 1300W5minCHCl 3 29%0.43 2300W5minCHCl 3 + 3drop [Bmim][PF 6 ] 20% 3300W2minDMSONo product37.12 4b4b 300W5minCHCl 3 5% 5300W5minCHCl 3 + 1 drop DMSO11%0.43+37.12 6600w7minCHCl 3 53%, 7600w7minCHCl 3 + 1 drop MeOH28%0.43+21.4 8600w7minCHCl 3 + 1 drop DI water 22%,0.43+9.89 9c9c 600w7minCHCl 3 67% 10 d 600w7minCHCl 3 87% a Yields were determined by H-NMR. Reaction conditions: aldehyde (1 equiv.), PhINTs (1.5 equiv.), catalyst (0.05 equiv.), solvent = 0.67 mL. b no cat.. c aldehyde = 0.4 mol PhINTs = 0.6 mol Fe cat. = 10 mol% solvent = 1 ml. d solvent = 0.4 mL [ Bmim][PF 6 ] dipole moment 14.82 D

31 Optimization of Reaction Conditions under Focused Microwave 31 entryM.W. power time. ( min ) aldehyde ( M)temp. ( o C) yield(%) 150 W10.53530% 2100w10.54340% 3150W10.56447% 4150W20.56352% 5150W50.56668% 150W80.56577% 6150W100.57075% 7150W10.5M+1 drop BmimBr6976% 8150W30.5M+1 drop BmimBr8388% 9150W30.5M+2 drop BmimBr12467% 10150W50.5M+1 drop BmimBr9591% 11200W10.56657% 12200W10.5 M+1 drop BmimBr11054% 13250W10.56263% 14250W20.56851% a Yields were determined by H-NMR. Reaction conditions: aldehyde = 0.2 mol (1 equiv.), PhINTs (1.5 equiv.), catalyst (0.05 equiv.), solvent CHCl 3 = 0.4 mL.

32 (4C-Ppy 2 ) 2 -Fe(II) Complex Catalyzed Amidation Reactions of Aldehyde with PhINTs 32 a Yields were determined by H-NMR. Reaction conditions: aldehyde = 0.2 mol (1 equiv.), PhINTs (1.5 equiv.), catalyst (0.05 equiv.), solvent CHCl 3 = 0.4 mL. b PhINTs (2.0 equiv)

33 33 Summary of Fe(II) Catalytic Activity under Focused Microwave a Yields were determined by H-NMR. Reaction conditions: aldehyde = 0.2 mol (1 equiv.), PhINTs (1.5 equiv.), catalyst (0.05 equiv.), solvent CHCl 3 = 0.4 mL. b PhINTs (2.0 equiv) EntryProduct (4C-Ppy 2 ) 2 - FeCl 2 Yield(%) a (11C-Ppy 2 ) 2 - FeCl 2 Yield(%) a EntryProduct (4C-Ppy 2 ) 2 - FeCl 2 Yield(%) a (11C-Ppy 2 ) 2 - FeCl 2 Yield(%) a 1 90 807 82 73 2 93 838 86 72 3 76 649 71 63 4 86 7810 75 5 54 5011 80 b 65 b 6 90 8012 84 68

34 34 Synthesis of the RS-Au-L1-FeCl 2 RS-Au-L1-FeCl 2 RS-Au-L1 Au-RS RS = CH 3 (CH 2 ) 7 SH

35 IR Spectra of L1, Au-L1 and Au-L1-FeCl 2 1575cm -1 1585cm -1 1426cm -1 1428cm -1 35 1575cm -1 1422cm -1 Wavenumber T (%)

36 TEM Image of RS-Au-L1-FeCl 2 Particle size distribution 7.32 ± 1.2 nm 36 Particle size distribution 2.68 ± 0.3 nm Fe RS-Au-L1 Element Weight % Atomic % Fe6.237.05 Cu70.6070.21 Au19.676.31

37 37 RS-Au-L1-FeCl 2 Complex –Catalyzed Amidation Reactions of Aldehyde with PhINTs 30 % Particle size distribution 6.87 ± 1.4 nm

38 Summary 1.We have successfully synthesized green catalysts [4C-Ppy 2 ] 2 - FeCl 2 、 [ 11C-Ppy 2 ] 2 -FeCl 2.Their structures were studied by IR, ESI-MS, AA, EPR spectroscopies 2.We have successfully demonstrated the catalytic activity of the Fe(II) complexes for amidation reactions of aldehyde with PhINTs. 3. The Fe(II)-catalyzed amidation reactions of aldehyde with PhINTs can be further accelerated under microwave irradiation conditions. 38

39 39

40 4C-Ppy 2 -FeCl 2 (3)11C-Ppy 2 -FeCl 2 (6) FeCl 2. 6H 2 O AA 理論值 1.48 × 10 -6 mol/mg1.11 × 10 -6 mol/mg 5.031 × 10 -6 mol/mg AA 實驗值 1.58 × 10 -6 mol/mg1.32 × 10 -6 mol/mg 4.671 × 10 -6 mol/mg 傳統比色分析 1.42× 10 -6 mol/mg1.03× 10 -6 mol/mg 3.783 × 10 -6 mol/mg 二價鐵純度 a 80 %78 % 81 % a. ( 傳統比色分析 / AA 實驗值 ) × 100% 40

41 41 瓦數時間焦耳 600 W7 min252000 5.5 倍 150 W5 min45000 31 倍 130 W180*601404000 傳統加熱 620 W 300 o C 6 格 呈線性 1.3 格 130W 40 o C

42 42 (11C-Ppy 2 ) 2 -Fe(II) Complex Catalyzed Amidation Reactions of Aldehyde with PhINTs a Yields were determined by H-NMR. Reaction conditions: aldehyde = 0.2 mol (1 equiv.), PhINTs (1.5 equiv.), catalyst (0.05 equiv.), solvent CHCl 3 = 0.4 mL. b PhINTs (2.0 equiv)

43 43

44 44 表 3.12 用 [CH 3 (CH 2 ) 3 N(H)P(O)(2-py) 2 ] 2 FeCl 2 (3) 鐵催化劑 對於 PhINTs 競爭反應進行 amidation 反應的催化結果 entrysolventyield (%) a byproduct yield (%) a 1thermalCHCl 3 9032 2thermalCHCl 3 + 1.1 mol DI water2682 3microwaveCHCl 3 9033 4microwaveCHCl 3 + 1.1 mol DI water1076 5b5b thermalCHCl 3 + 1.1 mol DI waterNA45 6c6c thermalCHCl 3 + 1.1 mol DI waterNA80 a Yields were determined by H-NMR. Reaction conditions: aldehyde = 0.2 mol (1 equiv.), PhINTs (1.5 equiv.), catalyst (0.05 equiv.), solvent CHCl 3 = 0.67 mL (thermal) 0.4 mL (MW). b no Fe cat. C no aldehyde 1

45 Reproposed Mechanism of Amidation Reactions of Aldehyde with PhINTs 45 J. W. W. Chang and P. W. H. Chan* J. Org. Chem. 2011, 76, 4894-4904

46 46 non classed Staudinger reaction mechanism

47 Staudinger reaction mechanism 47

48 48 25 mL 211.5 USD 25 G 396 USD 100 mL 31.9 USD 10G 135.5USD

49 理論值 = 0.0002 mol*0.05 = 0.00001mol 0.00001*55.845/1 5.584 × 10 -4 g (in 1ml ) CHCl 3 (ml) Aldehyde (mol) Temp./TimeAA (mg/L) 取 0.1 ml total Fe g 4C-0.2M10.240 o C/3h4.614 4.614 × 10 -4 g 4C-0.3M10.340 o C/3h6.786 6.786 × 10 -4 g 4C-0.2M10.2Rt. / 10 min4.005 4.005 × 10 -4 g 4C-0.3M10.3Rt. / 10 min3.779 3.779 × 10 -4 g 11C-0.2M10.240 o C/3h3.560 3.560 × 10 -4 g 11C-0.3M10.340 o C/3h3.615 3.615 × 10 -4 g 49

50 50 Synthesis of Spacer-Linker Lin, Y.-Y; Tsai, S.-C.; Yu, S. J. J. Org. Chem. 2008, 73, 4920-4928. L1

51 1 H NMR Spectra of Au NPs L1 and L1-Metal 51 RS-Au-L1-FeCl 2 RS-Au-L1 d 4 -MeOH * Py N-H

52 52 物質動物, 途徑 Lethal Dose, 50% (LD 50 ) 水大鼠, 口服 >90,000mg/kg 甲醇 大鼠, 口服 5,628 mg/kg 氯化鈉大鼠, 口服 3,000 mg/kg 維他命 A維他命 A 大鼠, 口服 2,000 mg/kg 二氯化亞鐵大鼠, 口服 1678mg /kg 三氯化鐵大鼠, 口服 1872mg/ kg 釕鹽

53 53 (11C-Ppy 2 ) 2 -FeCl 2 Complex –Catalyzed Amidation Reactions of Aldehyde with PhINTs General reaction conditions: Aldehyde (1 equiv.), PhINTs (1.5 equiv.), Catalyst (0.05 equiv.) Solvent = 0.67 mL, 40 o C, 3 h. a Yields were determined by 1 H-NMR. b. PhINTs = 2.0 equiv.


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