Pyrrolizidine and seco-pyrrolizidine alkaloids of Crotalaria laburnifolia L. subspecies eldomae
Abstract
Crotalaria laburnifolia L. subsp. eldomae has been found to contain anacrotine (I), its isomer madurensine (II), and senkirkine (III), together with two new alkaloids, crotafoline (V) and hydroxysenkirkine (IV).