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Synthesis of the lactone of 2-carboxy-4-hydroxy-7-methoxy-1, 2, 3, 4-tetrahydrophenanthrone

✍ Scribed by Banerjee, D. K. ;Bagavant, G.


Book ID
112977657
Publisher
Springer-Verlag
Year
1961
Tongue
English
Weight
522 KB
Volume
53
Category
Article
ISSN
0370-0089

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The title compound, C 17 H 14 O 5 , a flavone, was isolated from the rhizomes of Kaempferia parviflora. The benzopyran-4-one ring system and the methoxyphenyl substituent are approximately coplanar. The molecules are linked via intermolecular C-HÁ Á ÁO hydrogen bonds to form chains.