Zobrazeno 1 - 10
of 122
pro vyhledávání: '"Andrzej Sygula"'
Autor:
Steven F. Watkins, Frank R. Fronczek, Peter W. Rabideau, Andrzej Sygula, Gregory T. McCandless
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 5, Pp o1458-o1459 (2012)
The title compound, C36H24O6·CH2Cl2, is a dimer of two essentially planar (r.m.s., deviations of fitted plane of 14 pyracene C atoms = 0.0539 and 0.0543 Å) tetracyclic pyracene frameworks (each with four methyl groups and three carbonyl groups on t
Externí odkaz:
https://doaj.org/article/fc9b6df50b4141fe8634e27e74c951e8
Autor:
Andrzej Sygula, Behzad Farajidizaji, Karl M. Mukeba, Charles U. Pittman, Dennis W. Smith, Ganesh Narayanan, Ketki E. Shelar, Bruno Donnadieu
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 57:1270-1274
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::259bf8aef45464b0e0e15292569c3d63
https://doi.org/10.1002/pola.29388
https://doi.org/10.1002/pola.29388
Autor:
Dongmao Zhang, Xue Xu, Charles Edwin Webster, Bassem Ahmed, Andrzej Sygula, Xin Cui, Hetti Handi Chaminda Lakmal, Christopher Fong, David J. Szalda, Joanna Xiuzhu Xu, Keith Ramig
Publikováno v:
The Journal of Organic Chemistry. 83:9497-9503
C-Unsubstituted 1,2-diazetidines, a rarely studied type of four-membered heterocyclic compounds, were synthesized through an operationally simple intermolecular vicinal disubstitution reaction. 1,2-Diazetidine derivatives bearing various N-arylsulfon
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d742ff38e2a19e58d1a68fb764e3ca79
https://doi.org/10.1021/acs.joc.8b01223
https://doi.org/10.1021/acs.joc.8b01223
Autor:
Andrzej Sygula
Publikováno v:
Synlett. 27:2070-2080
This brief review outlines recent developments in synthetic methodologies leading to the preparation of efficient molecular receptors for binding fullerenes via the concave–convex π–π stacking of the carbon cages with the corannulene pincers. A
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8047f964ad6d17f965715cbde76f0aa5
https://doi.org/10.1055/s-0035-1562469
https://doi.org/10.1055/s-0035-1562469
Publikováno v:
Organic Letters. 18:3054-3057
Bis-corannulenoanthracene (C50H22, 5) was prepared by the Diels-Alder double cycloaddition of isocorannulenofuran with "bis-benzyne", followed by deoxygenation of the adducts. Despite the presence of a pentacene core, 5 is stable enough to be isolate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e20cc7c23baf824c5354cf41a855b26c
https://doi.org/10.1021/acs.orglett.6b01049
https://doi.org/10.1021/acs.orglett.6b01049
Publikováno v:
The Journal of Physical Chemistry. B
(1)H NMR and isothermal titration calorimetry (ITC) experiments were employed to obtain reliable thermodynamic data for the formation of the 1:1 inclusion complexes of fullerenes C(60) and C(70) with the buckycatcher (C(60)H(28)). NMR measurements we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::25bdcacf1f909f3a7235bbcd3ca19ae0
http://europepmc.org/articles/PMC4199543
http://europepmc.org/articles/PMC4199543
Publikováno v:
Journal of Chemical Education. 91:2186-2190
This laboratory exercise introduces undergraduate chemistry majors to the spectroscopic and theoretical study of the polycyclic aromatic hydrocarbon (PAH), corannulene. Students explore the spectroscopic properties of corannulene using UV–vis and R
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::00a5e782eb15453137a90f1999a87401
https://doi.org/10.1021/ed4005062
https://doi.org/10.1021/ed4005062
Autor:
Frank R. Fronczek, Alexander V. Zabula, Marina A. Petrukhina, William P. Henry, Michael Yanney, Andrzej Sygula
Publikováno v:
Crystal Growth & Design. 14:2633-2639
X-ray crystal structure study of cocrystallites of buckycatcher (2, C60H28) demonstrates a remarkable versatility of the molecular clip to accommodate guest molecules of various sizes and shapes. As demonstrated by the B97-D calculations, concave–c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1da1bca4bc90266b65c3bdb268ba6a41
https://doi.org/10.1021/cg5003176
https://doi.org/10.1021/cg5003176
Autor:
Michael Yanney, Andrzej Sygula
Publikováno v:
Tetrahedron Letters. 54:2604-2607
A molecular clip 3 (C 87 H 54 O 6 ) with cyclotriveratrylene tether and three corannulene pincers was synthesized and tested for its affinity toward fullerenes. 1 H NMR titration experiment in toluene- d 8 suggests the formation of 1:1 fullerene@ 3 c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bbbe6781beae527bc7718a71e3300185
https://doi.org/10.1016/j.tetlet.2013.03.009
https://doi.org/10.1016/j.tetlet.2013.03.009
