Author Publications

2007

Kia, Reza and Mirkhani, Valiollah and Harkema, Sybolt and Hummel van, Gerrit J. (2007) Synthesis and characterization of the 1:1 adducts of copper(I) halides with bidentate N,N′-bis(benzophenone)-1,2-diiminoethane Schiff base: Crystal structures of [Cu(bz2en)2][CuX2] (X = Br, I) complexes. Inorganica Chimica Acta, 360 (10). pp. 3369-3375. ISSN 0020-1693

2005

Vonk, V. and Konings, S. and Hummel van, G.J. and Harkema, S. and Graafsma, H. (2005) Scanning tunneling microscopy; Silicon; Single crystal surfaces. Surface Science, 595 (1-3). pp. 183-193. ISSN 0039-6028

1999

Boerrigter, H. and Verboom, W. and Hulst, A.J.R.L. and Hummel van, G.J. and Harkema, S. and Reinhoudt, D.N. (1999) Study of conformational behavior of CMP(O)-cavitands by NMR spectroscopy and X-ray analysis in relation to the extraction properties. In: NMR in Supramolecular Chemistry. Kluwer Academic Publishers, Dordrecht, pp. 19-35. ISBN 9780792356219

1998

Kenis, Paul J.A. and Kerver, Esther G. and Snellink-Ruel, Bianca H.M. and Hummel van, Gerrit J. and Harkema, Sybolt and Flipse, Marinus C. and Woudenberg, Richard H. and Engbersen, Johan F.J. and Reinhoudt, David N. (1998) High hyperpolarizabilities of donor-p-acceptor-functionalized calix[4]arene derivatives by pre-organization of chromophores. European Journal of Organic Chemistry, 1998 (6). pp. 1089-1098. ISSN 1434-193X

Kenis, Paul J.A. and Noordman, Oscar F.J. and Houbrechts, Stephan and Hummel van, Gerrit J. and Harkema, Sybolt and Veggel van, Frank C.J.M. and Clays, Koen and Engbersen, Johan F.J. and Persoons, Andre and Hulst van, Niek F. and Reinhoudt, David N. (1998) Second-order nonlinear optical properties of the four tetranitrotetrapropoxycalix[4]arene conformers. Journal of the American Chemical Society, 120 (31). pp. 7875-7883. ISSN 0002-7863

Kenis, Paul J.A. and Noordman, Oscar F.J. and Schönherr, Holger and Kerver, Esther G. and Snellink-Ruel, Bianca H.M. and Hummel van, Gerrit J. and Harkema, Sybolt and Vorst van der, C.P.J.M. and Hare, J. and Picken, S.J. and Engbersen, Johan F.J. and Hulst van, Niek F. and Vancso, G. Julius and Reinhoudt, David N. (1998) Supramolecular materials: molecular packing of tetranitrotetrapropoxycalix[4]arene in highly stable films with second-order nonlinear optical properties. Chemistry: a European journal, 4 (7). pp. 1225-1234. ISSN 0947-6539

1997

Oude Wolbers, Manon P. and Veggel van, Frank C.J.M. and Heeringa, Remco H.M. and Hofstraat, Johannes W. and Geurts, Frank A.J. and Hummel van, Gerrit J. and Harkema, Sybolt and Reinhoudt, David N. (1997) Biscalix[4]arene ligands for dinuclear lanthanide ion complexation. Liebigs Annalen/Recueil, 1997 (12). pp. 2587-2600. ISSN 0947-3440

Struck, Oliver and Chrisstoffels, Lysander A.J. and Lugtenberg, Ronny J.W. and Verboom, Willem and Hummel van, Gerrit J. and Harkema, Sybolt and Reinhoudt, David N. (1997) Head-to-head linked double calix[4]arenes: convenient synthesis and complexation properties. Journal of Organic Chemistry, 62 (8). pp. 2487-2493. ISSN 0022-3263

Verboom, Willem and Struck, Oliver and Reinhoudt, David N. and Duynhoven van, John P.M. and Hummel van, Gerrit J. and Harkema, Sybolt and Udachin, Konstatin A. and Ripmeester, John A. (1997) Clathration of properly functionalized calix[4]arenes: C-13 CP-MAS NMR spectroscopy and X-ray crystallography. Gazzetta Chimica Italiana, 127 . pp. 727-739. ISSN 0016-5603

1996

Boerrigter, Harold and Verboom, Willem and Hummel van, Gerrit J. and Harkema, Sybolt and Reinhoudt, David N. (1996) Selective functionalization of resorcinarene cavitands; single crystal X-ray structure of a distally functionalized cavitand. Tetrahedron Letters, 37 (29). pp. 5167-5170. ISSN 0040-4039

Janssen, Rob G. and Duynhoven van, John P.M. and Verboom, Willem and Hummel van, Gerrit J. and Harkema, Sybolt and Reinhoudt, David N. (1996) Studies on the dynamics of phosphorylated p-tert-butylcalix[6]arenes by using 2D NMR spectroscopy. Journal of the American Chemical Society, 118 (15). pp. 3666-3675. ISSN 0002-7863

1995

Verboom, Willem and Bodewes, Paul J. and Essen van, Georget and Timmerman, Peter and Hummel van, Gerrit J. and Harkema, Sybolt and Reinhoudt, David N. (1995) A novel approach to inherently chiral calix[4]arenes by direct introduction of a substituent at the meta position. Tetrahedron, 51 (2). pp. 499-512. ISSN 0040-4020

1994

Rudkevich, Dmitry M. and Verboom, Willem and Brzozka, Zbigniew and Palys, Marcin J. and Stauthamer, Walter P.R.V. and Hummel van, Gerrit J. and Franken, Sybille M. and Harkema, Sybolt and Engbersen, Johan F.J. and Reinhoudt, David N. (1994) Functionalized UO2 Salenes: Neutral Receptors for Anions. Journal of the American Chemical Society, 116 (10). pp. 4341-4351. ISSN 0002-7863

Timmerman, Peter and Boerrigter, Harold and Verboom, Willem and Hummel van, Gerrit J. and Harkema, Sybolt and Reinhoudt, David N. (1994) Proximally functionalized cavitands and synthesis of a flexible hemicarcerand. Journal of inclusion phenomena and molecular recognition in chemistry, 19 (1-4). pp. 167-191. ISSN 0923-0750

Timmerman, Peter and Harkema, Sybolt and Hummel van, Gerrit J. and Verboom, Willem and Reinhoudt, David N. (1994) Isolation and X-ray crystal structure of a stable calix[4]arene monohemiketal. Journal of Inclusion Phenomena and Molecular Recognition in Chemistry, 16 (2). pp. 189-197. ISSN 0923-0750

1993

Janssen, Rob G. and Verboom, Willem and Harkema, Sybolt and Hummel van, Gerrit J. and Reinhoudt, David N. and Pochini, Andrea and Ungaro, Rocco and Prados, Pilar and Mendoza de, Javier (1993) Selective phosphorylation of p-tert-butylcalix[6]arene. Journal of the Chemical Society, Chemical communications, 1993 (6). pp. 506-508. ISSN 0022-4936

Verboom, W. and Morzherin, Yury and Kelderman, E. and Engbersen, J.F.J. and Hummel van, G.J. and Harkema, S. and Reinhoudt, D.N. (1993) Synthesis of 2,3-dihydro-1H,4H,6H-furo[3,4-beta]pyrrolo[1,2-alpha]quinoline-6a(7H)-carbonitrile, a novel type of intramolecular tetrahydrofuran formation. Recueil des Travaux Chimiques des Pays-Bas (1920), 112 . pp. 549-551. ISSN 0165-0513

1992

Timmerman, Peter and Mook van, Maarten G.A. and Verboom, Willem and Hummel van, Gerrit J. and Harkema, Sybolt and Reinhoudt, David N. (1992) Selective functionalization of cavitands: synthesis of a new hemicarcerand. Tetrahedron Letters, 33 (23). pp. 3377-3380. ISSN 0040-4039

1989

Loon van, J.-D. and Arduini, A. and Verboom, W. and Ungaro, R. and Hummel van, G.J. and Harkema, S. and Reinhoudt, D.N. (1989) Selective functionalization of calix[4]arenes at the upper rim. Tetrahedron Letters, 30 (20). pp. 2681-2684. ISSN 0040-4039

1988

Groenen, L.C. and Verboom, W. and Nijhuis, W.H.N. and Reinhoudt, D.N. and Hummel van, G.J. and Feil, D. (1988) The tertiary amino effect in heterocyclic synthesis : mechanistic and computational study of the formation of six-membered rings. Tetrahedron, 44 (14). pp. 4637-4644. ISSN 0040-4020

Uiterwijk, Jos W.H.M. and Hummel van, Gerrit J. and Harkema, Sybolt and Aarts, Veronika M.L.J. and Daasvatn, Kari and Geevers, Jan and Hertog Jr. den, Herman J. and Reinhoudt, David N. (1988) Preparation and X-ray structures of complexes of 18-membered crown ethers with polyfunctional guests: Urea and (O-alkyliso)uronium salts. Journal of inclusion phenomena, 6 (1). pp. 79-100. ISSN 0167-7861

1985

Elburg van, P.A. and Reinhoudt, D.N. and Harkema, S. and Hummel van, G.J. (1985) 1,4-diacetoxy-β-lactams. Reactions with nucleophiles. Tetrahedron Letters, 26 (23). pp. 2809-2812. ISSN 0040-4039

1984

Dijksman, W.C. and Verboom, W. and Reinhoudt, D.N. and Hale, C.G. and Harkema, S. and Hummel van, G.J. (1984) Novel applications of the “t-amino effect” in heterocyclic chemistry; synthesis of 1-alkylindoles. Tetrahedron Letters, 25 (19). pp. 2025-2028. ISSN 0040-4039

1982

Hummel van, G.J. and Harkema, S. and Kohn, F.E. and Feijen, J. (1982) Structure of 3,6-dimethyl-1,4-dioxane-2,5-dione [D-,D-(L-,L-)lactide]. Acta Crystallographica Section B: Structural crystallography and crystal chemistry, 38 (5). pp. 1679-1681. ISSN 0567-7408

Uiterwijk, J.W.H.M. and Harkema, S. and Hummel van, G.J. and Geevers, J. and Reinhoudt, D.N. (1982) S-tert-Butylthiouronium perchlorate-1,4,7,10,13,16-hexaoxacyclooctadecane (2:1). Acta Crystallographica Section B: Structural crystallography and crystal chemistry, 38 (6). pp. 1862-1864. ISSN 0567-7408

1981

Friedrichsen, Willy and Schmidt, Regine and Hummel van, Gerrit J. and Ham van den, D.M.W. (1981) Mesoionische Sechsringheterocyclen, III Reaktionen o-chinoider Verbindungen mit 6-Oxo-6H-1,3-diazin-1-ium-4-olaten. Liebigs Annalen der Chemie, 1981 (3). pp. 521-531. ISSN 0170-2041

Verboom, W. and Visser, G.W. and Trompenaars, W.P. and Reinhoudt, D.N. and Harkema, S. and Hummel van, G.J. (1981) Synthesis of pyrrolizines by intramolecular capture of 1,4-dipolar intermediates in reactions of enamines with dimethyl acetylenedicarboxylate. Tetrahedron, 37 (20). pp. 3525-3533. ISSN 0040-4020

1980

Harkema, S. and Dam, J. and Hummel van, G.J. and Reuvers, A.J. (1980) A correction procedure for the errors in single-crystal intensities due to the inhomogeneity of the primary X-ray beam. Acta Crystallographica Section A: Crystal Physics, Diffraction, Theoretical and General Crystallography, 36 (3). pp. 433-435. ISSN 0567-7394

Harkema, S. and Hummel van, G.J. and Gaymans, R.J. (1980) N,N'-Tetramethylenedibenzamide (TMDB). Acta Crystallographica Section B: Structural crystallography and crystal chemistry, 36 (12). pp. 3182-3184. ISSN 0567-7408

Wit de, A.D. and Trompenaars, W.P. and Reinhoudt, D.N. and Harkema, S. and Hummel van, G.J. (1980) Reduction of nitro groups by ynamines; synthesis and x-ray crystal structure of n,n-diethyl-3,3a-dihydro-3-methylbenzofuro[3,2-c]isoxazole-3-carboxamide. Tetrahedron Letters, 21 (18). pp. 1779-1780. ISSN 0040-4039

1979

Hummel van, G.J. and Ham van den, D.M.W. and Huiszoon, C. (1979) 4-Methylcinnoline. Acta Crystallographica Section B: Structural crystallography and crystal chemistry, 35 . pp. 516-518. ISSN 0567-7408

1978

Ham van den, D.M.W. and Hummel van, G.J. (1978) 4,5-Dichloro-1,3,6,8-tetrafluoro-2,7-naphthyridine: erratum. Acta Crystallographica Section B: Structural crystallography and crystal chemistry, 34 . p. 2670. ISSN 0567-7408

Ham van den, D.M.W. and Hummel van, G.J. and Huiszoon, C. (1978) The structures of anhydrous 1,5- and 2,6-diazanaphthalene. Acta Crystallographica Section B: Structural crystallography and crystal chemistry, 34 . pp. 3134-3137. ISSN 0567-7408

1977

Ham van den, D.M.W. and Hummel van, G.J. (1977) 4,5-Dichloro-1,3,6,8-tetrafluoro-2,7-naphthyridine. Acta Crystallographica Section B: Structural crystallography and crystal chemistry, 33 . pp. 3866-3868. ISSN 0567-7408

Huiszoon, C. and Hummel van, G.J. and Ham van den, D.M.W. (1977) The crystal and molecular structure of 2,7-diazanaphthalene. Acta Crystallographica Section B: Structural crystallography and crystal chemistry, 33 . pp. 1867-1870. ISSN 0567-7408