Alkaloidal content of four berberis species structure of berberilaurine, a neu bisbenzytetrahydroisoquinoline

Abstract

ABSTRACT. From Rerberis boliviana, Berberis bumeliaefolia, Berberis laurina, and Berberis pancidentata, twenty-one isoquinoline alkaloids. B. laurina yielded a new compound, berberilaurine (1), a bisbenzilotetrahudroisoquinoline with two diarylether bridges in between C-7 to C-5 and C-11 C-12'