Flavanoids from Caesalpinia pulcherrima.
Two new flavanoids, 5,7-dimethoxy-3',4'-methylenedioxyflavanone and isobonducellin along with 2'-hydroxy-2,3,4',6'-tetramethoxychalcone, 5,7-dimethoxyflavone and bonducellin were isolated from the aerial parts of Caesalpinia pulcherrima. The structures of the compounds were settled mainly by interpretation of their 1D and 2D NMR spectra. Isobonducellin was found to be a homoisoflavanoid containing a cis (Z)-double bond. Antimicrobial activity of the new compounds was evaluated.
Srinivas
K V N S
KV
Indian Institute of Chemical Technology, Hyderabad-500 007, India.
Koteswara Rao
Y
Y
Mahender
I
I
Das
Biswanath
B
Rama Krishna
K V S
KV
Hara Kishore
K
K
Murty
U S N
US
D029911:Caesalpinia / Q000737:chemistry*; D005419:Flavonoids / Q000302:isolation & purification*; D009682:Magnetic Resonance Spectroscopy; D015394:Molecular Structure; D035261:Plant Components, Aerial / Q000737:chemistry
D005419:Flavonoids