Crystal structures and conformational analyses of three pyranochromene derivatives

Crystal structures and conformational analyses of three pyranochromene derivatives

The title compounds, C27H20O6, (I) [systematic name: methyl 7-oxo-14-phenyl-1H,7H,14H-pyrano[3,2-c:5,4-c′]dichromene-14a(6bH)-carboxylate], C24H22O5, (II) [systematic name: methyl 1-oxo-6-phenyl-2,3,4,12b-tetrahydro-1H,6H-chromeno[3,4-c]chromene-6a(7H)-carboxylate], and C25H23N3O4, (III) [systematic...

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Bibliographic Details
Main Authors: K. Swaminathan, K. Sethusankar, G. Siva Kumar, M. Bakthadoss
Format: Article
Language:English
Published: International Union of Crystallography 2015-08-01
Series:Acta Crystallographica Section E: Crystallographic Communications
Subjects:
crystal structure
pyranochromene
coumarin derivatives
molecular sheets
inversion dimers
chains
hydrogen bonding
Online Access:http://scripts.iucr.org/cgi-bin/paper?S2056989015012967

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http://scripts.iucr.org/cgi-bin/paper?S2056989015012967

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