New 4'-substituted flavones from the fruit peels of Citrus limon (L.) Burm.f.
Two new 4'-substituted flavones isolated from the fruit peels of Citrus limon (L.) Burm.f. (Rutaceae) have been characterized as 4'-(9'-ethylene-16'-methylnon-9',15'-dien-7',11'-oate)-5,7-dimethoxyflavone (limonflavonyl lactone A, 1) and 4'-(9'-ethylene-16'-methylnon-9',15'-dien-7',11'-oate)-5,7,3'-trimethoxyflavone (limonflavonyl lactone B, 2) on the basis of spectral data and chemical analyses. Both the flavones are reported for the first time from a plant source.
Sultana
Shahnaz
S
Department of Pharmacognosy and Phytochemistry, Faculty of Pharmacy, Jamia Hamdard (Hamdard University), New Delhi, India.
Ali
Mohammed
M
Ansari
Shahid Hussain
SH
Bagri
Priyanka
P
D002957:Citrus / Q000737:chemistry*; D047309:Flavones / Q000737:chemistry*; D005638:Fruit / Q000737:chemistry*; D015394:Molecular Structure
C539138:4'-(9'-ethylene-16'-methylnon-9',15'-dien-7',11'-oate)-5,7,3'-trimethoxyflavone; C539137:4'-(9'-ethylene-16'-methylnon-9',15'-dien-7',11'-oate)-5,7-dimethoxyflavone; D047309:Flavones