The methanol extract of Melochia odorata yielded three 4-quinolone alkaloids including
waltherione A (1) and two new alkaloids, waltherione C (2) and waltherione D (3) …

Investigation of the chemical constituents from the roots of Melochia chamaedrys
(Sterculiaceae) resulted in the isolation of two quinolinone alkaloids: a new alkaloid, named …

Chemical investigation of the dichloromethane root extract of Waltheria indica led to the
isolation and characterization of 10 quinoline alkaloids, namely, 8-deoxoantidesmone (1) …

In the course of attempts to develop antimalarial drugs, we have designed and synthesized
a series of quinoline alkaloide derivatives. Three of them, N-(4-methoxy-3, 5-di-tert …

Two tetrahydroquinoline alkaloids have been isolated from the bark of Galipea officinalis
Hancock. Their structures have been established by spectroscopic methods. The …

Ten 2-substituted quinoline alkaloids isolated from a plant used for treatment of New World
cutaneous leishmaniasis have antileishmanial in vitro activities against the extracellular …

Four quinoline alkaloids were isolated from stems of Galipea bracteata. In addition to one
new compound, 2-(3′, 4′-methylenedioxyphenylethyl)-quinoline, three were identified as …

Two new biocidal quinolinone alkaloids, 3-methoxy-l-methyl-2-propyl-4-quinolone [1] and 2
(1'-ethylpropyl)-l-methyl-4-quinolone {2), were efficiently isolated using reversed-phase …

Bioassay-directed fractionation of the CH2Cl2− MeOH extract of Euodia roxburghiana
resulted in the isolation of two known quinoline alkaloids, buchapine (1) and 2, and three …

Chemical investigation of a dichloromethane extract of the aerial parts of Waltheria indica
led to the isolation and characterization of five polyhydroxymethoxyflavonoids, namely …