PYRROLIZIDINE ALKALOIDS FROM CROTALARIA LACHNOSEMA AND C. NARAGUTENSIS

Article abstract of DOI:10.1016/0031-9422(88)80045-1

Crotalaria lachnosema, from Nigeria, was found to contain two pyrrolizidine alkaloids, dicrotaline and its acetyl derivative, the natural occurrence of which is reported for the first time.The major alkaloid in C. naragutensis was nilgirine, together with integerrimine, usaramine and a new alkaloid, acetyl integerrimine.Key Word Index - Crotalaria lachnosema; C. naragutensis; pyrrolizidine alkaloid; dicrotaline; acetyl dicrotaline; integerrimine; acetyl integerrimine; nilgirine; usaramine.