Faculty of Applied Sciences
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Item A novel alkaloid, four alkaloid precursors and a coumarin from Feronia limonia(NISCAIR-CSIR, India, 2012-12) Pitchai, P.; Ulagi, R.; Mohan, P. S.; Gengan, Robert MoonsamyA new quinoline alkaloid has been isolated from the flowers of Feronia limonia along with four alkaloid precursors, one coumarin, a known steroid stigmasterol and p-coumaric acid. The structures of compounds have been elucidated on the basis of spectroscopic data and comparison with the literature.Item Derivatives of coumarins, cinnamic acid and tyramine from leaves of Limonia crenulata(Pharmascope, 2013) Pitchai, P.; Ulagi, R.; Mohan, P. S.; Gengan, Robert MoonsamyThe present research was designed to isolate the Coumarins, Cinnamic acid and Tyramine from Leaves of Limonia crenulata . N - benzoyl tyramine and 2,4 - dihydroxy - 3 - methoxy cinnamic acid were isolated for the first time from the leaves of Limonia crenulata. Known compounds stigmasterol, daphnetin - 8 - methyl eth er and umbelliferone were also recovered by chromatographic separation techniques. Five compounds were isolated from the acetone extract of Limonia Crenulata and their structures were confirmed from spectral evidence and comparison with literature values. The compounds included derivatives of coumarins, cinnamic acid and tyramine.