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Please use this identifier to cite or link to this item: http://hdl.handle.net/2262/40133

Title: Structure and Conformation of Photosynthetic Pigments and Related Compounds. 10. Comparison of a Phytochlorin and Phytoporphyrin Derived from Chlorophyll a
Author: SENGE, MATHIAS
Sponsor: Deutsche Forschungsgemeinschaft (DFG)
Author's Homepage: http://people.tcd.ie/sengem
Keywords: crystal and molecular structures
Issue Date: 1997
Publisher: International Union of Crystallography
Citation: M. O. Senge, K. M. Smith, Structure and Conformation of Photosynthetic Pigments and Related Compounds. 10. Comparison of a Phytochlorin and Phytoporphyrin Derived from Chlorophyll a, Acta Crystallographica C, 53, 9, 1997, 1314 - 1318
Series/Report no.: Acta Crystallographica C;
53;
9;
Abstract: The crystal and molecular structures of 17-decarboxyethyl-131-deoxo-17-propylphytochlorin, C33H40N4, (1), and phytoporphyrin methyl ester, C34H36N4O3, (2), are compared. Compound (1) shows structural parameters similar to those of other naturally occurring phytochlorins. Owing to the absence of any heteroatom functionalities at the periphery, no close contacts are observed in the packing of (1), in contrast to those normally found in other chlorophyll derivatives. Compound (2) presents the first structure of a free-base pheoporphyrin and forms chains stabilized by C-H O=C and Pi - Pi interactions. In contrast to the structure of (1) and other chlorins, the two pyrrole H atoms in (2) are located at rings B and D.
Description: PUBLISHED
URI: http://hdl.handle.net/2262/40133
Related links: http://dx.doi.org/10.1107/S0108270197003648
Appears in Collections:Chemistry (Scholarly Publications)

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