Zobrazeno 1 - 10
of 39
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
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
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
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...
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
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
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
Publikováno v:
ChemInform. 22
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
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