Crystal Structure of 3,4-Dihydro-2-methoxy-2-methyl-4-phenyl-2H,5H-pyrano[3,2-c]chromen-2-one

A new polymorph of 3,4-dihydro-2-methoxy-2-methyl-4-phenyl-2H,5H-pyrano[3,2-c]chromen-2-one (pyranocoumarin) was studied by X-ray diffraction. The crystallographic parameters of the structure of C 20 H 18 O 4 are M = 322.34, sp. gr. C 2/ c , a = 23.542(1) Å, b = 8.4938(3) Å, c = 19.7804(8) Å, β = 12...

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Bibliographic Details
Published in:Crystallography reports 2020-09, Vol.65 (5), p.721-725
Main Authors: Kochetov, A. N., Nosikova, L. A., Kuz’mina, L. G.
Format: Article
Language:English
Subjects:
Crystal structure
Crystallography
Crystallography and Scattering Methods
Crystals
Physics
Physics and Astronomy
Structure of Organic Compounds
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Summary:A new polymorph of 3,4-dihydro-2-methoxy-2-methyl-4-phenyl-2H,5H-pyrano[3,2-c]chromen-2-one (pyranocoumarin) was studied by X-ray diffraction. The crystallographic parameters of the structure of C 20 H 18 O 4 are M = 322.34, sp. gr. C 2/ c , a = 23.542(1) Å, b = 8.4938(3) Å, c = 19.7804(8) Å, β = 125.977(3)°, Z = 8.
ISSN:1063-7745
1562-689X
DOI:10.1134/S1063774520050119