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THERMODYNAMICS OF MOLECULAR RECOGNITION AND DESIGN OF SUPRAMOLECULAR ARCHITECTURES ON THE BASIS OF CALIXARENES A.I.Konovalov , V.V.Gorbatchuk, I.S.Antipin A.E.Arbuzov Institute of Organic and Physical Chemistry, Kazan Kazan State University. Radicals Ions Ion-radicals. A―B C―D.
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THERMODYNAMICS OF MOLECULAR RECOGNITION AND DESIGN OF SUPRAMOLECULAR ARCHITECTURES ON THE BASIS OF CALIXARENES A.I.Konovalov, V.V.Gorbatchuk, I.S.Antipin A.E.Arbuzov Institute of Organic and Physical Chemistry, Kazan Kazan State University
Radicals Ions Ion-radicals A―B C―D AB + CD → Chemistry supramolecular molecular Specific and nonspecific interactions: intermolecular binding Covalent interactions: intramolecular binding molecules →supermolecules atoms →molecules Supramolecular assemblies A + B → A―B
Supermolecules substrate receptor guest host
H+ 1872 – A.Bayer + H-CHO polymer products 1944 – A.Zinke, E.Zigler H+ + R-CHO OH- 1978 – C.D.Gutsche + H-CHO n=4-8 1997 – H.Kumagai et al NaOH D + S8
R R R R HO OH OH HO R R R R HO OH OH HO
Brouwer, E. B.et al. Phys. Chem. Chem. Phys.1999, 1, 4043 Brouwer, E. B.; Enright, G. D.; Ratcliffe, C. I.; Facey, G. A.; Ripmeester, J. A. J. Phys. Chem.1999, 103, 10604
Calixarenes in Action (Eds. L. Mandolini, R. Ungaro), Imperial College Press. – 2000. -250 p.
Vapor phase HOST GUEST Solid phase Problem: ‘Structure – thermodynamic property’ relationship for inclusion of volatile organic compounds by solid hosts Experimental method Static method of GC headspace analysis Experimental data vapor sorption isotherms Results Inclusion stoichiometry, free energy, cooperativity Variation of host and guest molecular structure
ELECTROPNEUMATICVALVE SPLITTER FUSED SILICA COLUMN VIAL WITH SAMPLE THERMOSTATE DEVICE OF STATIC HEADSPACE GAS CHROMATOGRAPHIC ANALYSIS Electropneumatic dosing B. Kolb, P. Pospisil, T. Borath and M. Auer, J. High Res. Chromatogr. & Chromatogr. Commun., 1979, 2, 283. Activity determination A. Hussam and P. W. Carr, Anal. Chem., 1985, 57, 793. Data examples J. H. Park, A. Hussam, P. Couasnon, D. Fritz and P. W. Carr, Anal. Chem., 1987, 59, 1970. solid phase binding of vapors in comparable conditions
Isotherms O O H H O O O O O H O H H H H H Hill equation S – inclusion stoichiometry N – cooperativity constant inclusion threshold: T=298 K = RT(lnC)/N - inclusion free energy
Brouwer, E. B.; Udachin, K. A.; Enright, G. D.; Ripmeester J. A.et alChem. Commun.2001, 565 p-tert-Butylcalix[4]arene Brouwer, E. Bet alPhys. Chem. Chem. Phys.1999, 1, 4043 1:1 host-guest complex of p-tert-butylcalix[4]arene with fluorobenzene 2:1 host-guest complex of p-tert-butylcalix[4]arene with 1-octanol
17 1-PrSH 18 EtI 19 C5H5N 20 PrCOMe 21 Furfural 22 Cl2C=CHCl 23 1-BuCl 24 C6H6 25 CCl4 26 MeCOOPr 27 C6H5OH 28 n-BuCOMe 29 1-BuBr 30 c-C6H11OH 1 MeOH 31 n-BuCOMe 2 EtOH 32 C6H5CH3 3 Me2CO 33 C6H5Cl 4 MeCOOMe 34 MeCOOBu 5 1-PrOH 35 BuCOOMe 6 EtBr 36 c-C6H11NH2 7 MeI 37 c-C6H11Cl 8 THF 38 C6H5Br 9 CHCl3 39 2-Heptanone 10 EtCOMe 40 AmCOOMe 11 CS2 41 1,2,4-C6H3Cl3 12 1-BuOH 42 c-C4H8 13 EtCOOMe 43 c-C5H10 14 MeCOOEt 44 c-C6H12 15 Et2O 45 c-C7H14 16 (MeCO)2O 46 c-C8H16 B.N.Solomonov, V.V.Gorbatchuk, A.I. Konovalov. Zh. Obsch. Khim. 1981, Vol. 51, P.2688-2693. DGsolv, kJ/mol = -0.702 MRD + 14.0 R=0.9910, n=46, d=1.1
-DHsolv / kJ/mol = 5.09 + 1.03 MRD n=102, r=0.994, d=1.56
Stoichiometry - guest size 2 : 1 guest / host 1 CH3OH 8 CHCl3 2 CH3CN 9 1,4-Dioxane 3 EtOH 10 n-Pentane 5 EtCN 11 n-BuCl 1 : 1 6 (CH3)2CO 12 C6H6 7 n-PrOH 13 CCl4 14 c-Hexane 20 C6H5OCH3 1 : 2 15 n-Hexane 21 n-Heptane 16 Pinacolone 22 o-Xylene 17 Toluene 23 C6H5Et 18 t-BuOAc 24 n-Octane 19 C6H5NO2 25 n-Nonane V. V. Gorbatchuk, A. G. Tsifarkin, I. S. Antipin, B. N. Solomonov and A. I. Konovalov, Mendeleev Commun., 1999, 11 • Lit.data (X-ray) 1 MeOH 5 Me2CO 2 MeCN 6 CH2Cl2 3 MeNO2 7 CHCl3 4 EtCN 8 CCl4 S~1~ const V. V. Gorbatchuk, A. G. Tsifarkin, I. S. Antipin, B. N. Solomonov, A. I. Konovalov, P.Lhotak, I.Stibor J. Phys. Chem.B. , 2002, 106(23); 5845-5851
Brouwer, E. B.; Udachin, K. A.; Enright, G. D.; Ripmeester J. A.; Ooms, K. J.; Halchuk P. A. Chem. Commun.2001, 565 p-tert-Butylcalix[4]arene Brouwer, E. B.; Gougeon, R. D. M.; Hirschinger, J.; Udachin, K. A.; Harris, R. K.; Enright, G. D.; Ripmeester, J. A. Phys. Chem. Chem. Phys.1999, 1, 4043 1:1 host-guest complex of p-tert-butylcalix[4]arene with fluorobenzene 2:1 host-guest complex of p-tert-butylcalix[4]arene with 1-octanol
All-transn-hexane, 1-chlorobutane, 1,4-dichlorobutane and 1,4 dichlorobenzene All-transn-hexane, 1-heptanol, 1-octanol and dodecane K. A. Udachin et al. /J. Supramol. Chem. 1 (2001) 97–100
Stoichiometry - guest size 2 : 1 guest / host 1 CH3OH 8 CHCl3 2 CH3CN 9 1,4-Dioxane 3 EtOH 10 n-Pentane 5 EtCN 11 n-BuCl 1 : 1 6 (CH3)2CO 12 C6H6 7 n-PrOH 13 CCl4 14 c-Hexane 20 C6H5OCH3 1 : 2 15 n-Hexane 21 n-Heptane 16 Pinacolone 22 o-Xylene 17 Toluene 23 C6H5Et 18 t-BuOAc 24 n-Octane 19 C6H5NO2 25 n-Nonane V. V. Gorbatchuk, A. G. Tsifarkin, I. S. Antipin, B. N. Solomonov and A. I. Konovalov, Mendeleev Commun., 1999, 11 • Lit.data (X-ray) 1 MeOH 5 Me2CO 2 MeCN 6 CH2Cl2 3 MeNO2 7 CHCl3 4 EtCN 8 CCl4 S~1~ const V. V. Gorbatchuk, A. G. Tsifarkin, I. S. Antipin, B. N. Solomonov, A. I. Konovalov, P.Lhotak, I.Stibor J. Phys. Chem.B. , 2002, 106(23); 5845-5851
Akdas, H.; Bringel, L.; Graf, E.; Hosseini, M. W.; Mislin, G.; Pansanel, J.; de Cian, A.; Fischer, J. Tetrahedron Lett.1998, 39, 2311
Stoichiometry - guest size 1 MeOH 7 CHCl3 2 MeCN 8 1,4-Dioxane 3 EtCN 9 Pyridine 4 Me2CO 10 C6H6 5 1-PrOH 11 CCl4 6 1-PrCN 12 Et3N V. V. Gorbatchuk, A. G. Tsifarkin, I. S. Antipin, B. N. Solomonov, A. I. Konovalov, J. Seidel, F. Baitalov, J. Chem.Soc.Perkin Trans. 2, 2000, N11, P.2287-2294 L. J. Barbour, S. A. Bourne, M. R. Caira, L. R. Nassimbeni, E. Weber, K. Skobridis and A. Wierig, Supramol. Chem., 1993, 1, 331
Isotherms O O H H O O O O O H O H H H H H Hill equation S – inclusion stoichiometry N – cooperativity constant inclusion threshold: T=298 K = RT(lnC)/N - inclusion free energy
* no binding - not determined
O H O O H O H H Guest vapor DGc(vap) solid host-guest compound
O H O O H O H H Guest vapor DGc(vap) solid host-guest compound Alcohols, ketones, esters, anisole Benzene, toluene, o-xylene Nitriles, pyridine, triethylamine n-alcanes, cyclohexane polychloromethanes
Guest vapor DGsolv toluenesolution Alcohols, ketones, esters, anisole Benzene, toluene, o-xylene Nitriles, pyridine, triethylamine n-alcanes, cyclohexane polychloromethanes
Alcohols, ketones, esters, anisole Nitriles, pyridine, triethylamine polychloromethanes Benzene, toluene, o-xylene n-alcanes, cyclohexane
Solvation process Guest vapor DGsolv DGcav + DGint = solution cavity formation interaction
O H O O H O H H toluene solution DGtrans Alcohols, ketones, esters, anisole Benzene, toluene, o-xylene solid host-guest compound Nitriles, pyridine, triethylamine n-alcanes, cyclohexane polychloromethanes
Guest vapor DGc(vap) solid host-guest compound polychloromethanes MeOH, acetone nitromethane MeCN, EtCN
toluene solution DGtrans MeOH, acetone polychloromethanes solid host-guest compound MeCN, EtCN nitromethane Gtrans/kJ mol-1 = -12.24 + 0.568MRD (n = 7, r = 0.972, RSD = 0.6) V. V. Gorbatchuk, A. G. Tsifarkin, I. S. Antipin, B. N. Solomonov, A. I. Konovalov, P.Lhotak, I.Stibor J. Phys. Chem.B. , 2002, 106(23); 5845-5851
Alcohols, acetone, dioxane CHCl3, CCl4 MeCN, EtCN, PrCN, pyridine, Et3N benzene Gtrans/kJ mol-1 = -5.58 + 0.200MRD + 0.391GHMeOH (n = 13, r = 0.955, RSD = 0.8) Gtrans /kJ mol-1 = -5.76 + 0.204MRD + 0.236GHPhOH (n = 13, r = 0.954, RSD = 0.8) V. V. Gorbatchuk, A. G. Tsifarkin, I. S. Antipin, B. N. Solomonov, A. I. Konovalov, J. Seidel, F. Baitalov, J. Chem.Soc.Perkin Trans. 2, 2000, N11, P.2287-2294
Dr.Gorbatchuk V.V. Prof.Antipin I.S. Dr.Tsifarkin A.G. Dr.Ziganshin M.A. Prof.Solomonov B.N. Group cooperates with W.Habicher TU Dresden, Germany J.Seidel TU BA Freiberg, Germany I.Stibor, P. Lhotak VSHT Prague, Czech Rep. Support from RFBR (grants № 00-15-97411, 01-03-32079)