Zobrazeno 1 - 10
of 560
pro vyhledávání: '"K. M. Barkigia"'
Publikováno v:
The Journal of Organic Chemistry. 66:6513-6522
Two aldehydes, 2,6-diacetam ido-4-formylpyridine (7) and 1-butyl-6-formyluracil (11), are used to synthesize five pyridyl and four uracyl meso-subsituted porphyrins. With these complementary porphyrin building blocks, it is possible to build various
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b35ae18d5e7658017bf1e29dd8f0cd3c
https://doi.org/10.1021/jo010108c
https://doi.org/10.1021/jo010108c
Autor:
Liliya A. Yatsunyk, Kevin M. Smith, Mark W. Renner, K. M. Barkigia, Hiroshi Ogura, Craig J. Medforth, and Dan Melamed, F. Ann Walker
Publikováno v:
Journal of the American Chemical Society. 123:6564-6578
Three bis-axially ligated complexes of iron(III) octaethyltetraphenylporphyrin, (OETPP)Fe(III), have been prepared, which are low-spin complexes, each with two axial nitrogen-donor ligands (N-methylimidazole (N-MeIm), 4-(dimethylamino)pyridine (4-NMe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8faa12e728aee32455f943a8f3e757ee
https://doi.org/10.1021/ja004053s
https://doi.org/10.1021/ja004053s
Publikováno v:
The Journal of Physical Chemistry B. 103:8643-8646
The crystal structure of a pyridine-ligated, high-spin Ni(II) complex of 2,3,7,8,12,13,17,18-octabromo-5,15-bis(isopropyl)-10,20-bis(isopropylidenyl) porphyrin, 2, is reported and compared to the unligated, low-spin Ni(II) complex, 1, previously repo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c0b67f5831b9b46168747b4d9f5cf15
https://doi.org/10.1021/jp992508y
https://doi.org/10.1021/jp992508y
Publikováno v:
The Journal of Physical Chemistry B. 102:322-326
The crystal structures of four different conformers of the sterically encumbered porphyrins ZnDPP, H2DPP, and NiDPP are reported (DPP = 2,3,5,7,8,10,12,13,15,17,18,20-dodecaphenylporphyrin). In com...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::398e10cb6722936913cbfac38248aca3
https://doi.org/10.1021/jp973013g
https://doi.org/10.1021/jp973013g
Autor:
J. Fajer, K. M. Barkigia, D. Melamed, R. M. Sweet, H. Kurreck, J. von Gersdorff, M. Plato, H.-C. Rohland, G. Elger, K. Möbius
Publikováno v:
The Journal of Physical Chemistry. 100:14236-14239
Synthetic porphyrin−quinone complexes are commonly used to mimic electron transport in photosynthetic reaction centers and to probe the effects of energetics, distances, and relative orientations on rates of electron transfer between donor−accept
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4f3369d887ba7e53ecfcaef4a2942b8d
https://doi.org/10.1021/jp961422r
https://doi.org/10.1021/jp961422r
Publikováno v:
Acta Crystallographica Section C Crystal Structure Communications. 51:511-515
The structure of 2,3,7,8,12,13,17,18-octaethyl-5,10,15,20-tetraphenylporphyrin(2+) diacetate acetic acid dichloromethane solvate, C 60 H 64 N 4 2+ .2C 2 H 3 O 2 - .3C 2 H 4 O 2 .CH 2 Cl 2 , has been determined at 200K. The molecule is severely non-pl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2447f1b00ccb677d755ed33240aefec
https://doi.org/10.1107/s0108270194008978
https://doi.org/10.1107/s0108270194008978
Autor:
K. M. Barkigia, David S. Gottfried
Publikováno v:
Acta Crystallographica Section C Crystal Structure Communications. 50:2069-2072
The structure of a new crystal form of methyl bacteriopheophorbide a, C 36 H 40 N 4 O 6 , which does not contain benzene molecules of crystallization, has been determined at 200 K. The molecule is slightly ruffled with maximum displacements from plan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b06425479b7b7a1262c661528a3daff
https://doi.org/10.1107/s0108270194004786
https://doi.org/10.1107/s0108270194004786
Publikováno v:
ChemInform. 22
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb35c0aff7d8b122e3f3354ae7594f97
https://doi.org/10.1002/chin.199109047
https://doi.org/10.1002/chin.199109047
Autor:
J. FAJER, K. M. BARKIGIA, E. GUDOWSKA-NOWAK, D. HOLTEN, D. MELAMED, M. W. RENNER, K. M. SMITH, Y. ZHANG
Publikováno v:
ChemInform. 27
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::68b348a87e107d6c29bb1654d051e7bf
https://doi.org/10.1002/chin.199636274
https://doi.org/10.1002/chin.199636274
Publikováno v:
ChemInform. 33
Two aldehydes, 2,6-diacetamido-4-formylpyridine (7) and 1-butyl-6-formyluracil (11), are used to synthesize five pyridyl and four uracyl meso-subsituted porphyrins. With these complementary porphyrin building blocks, it is possible to build various t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a6b3f2bbf384ea96cfd8e589650b228c
https://doi.org/10.1002/chin.200211099
https://doi.org/10.1002/chin.200211099