Alkaloid and sesquiterpenes from the root tuber of Curcuma longa / 药学学报

ABSTRACT

One new quinoline alkaloid and seven known bisabolane sesquiterpenes 2-(2'-methyl-1'-propenyl)-4, 6-dimethyl-7-hydroxyquinoline(1), 2, 5-dihydroxybisabola-3, 10-diene(2), 4, 5-dihydroxybisabola-2, 10-diene(3), turmeronol A(4), bisacurone(5), bisacurone A(6), bisacurone B(7), bisacurone C(8), as well as dehydrozingerone(9) and zingerone(10) were isolated from the root tuber of Curcuma longa. Their structures were identified by spectral evidence. Compound 1 is a new compound, compounds 6-8 were isolated from this plant for the first time and compounds 9-10 from Curcuma for the first time.