SYNTHESES OF CHIRAL OXAZOLOTETRAHYDROISOQUINOLINE AND ITS ASYMMETRIC ALKYLATION. SYNTHESIS OF (S)-(-)- AND (R)-(+)-SALSOLIDINES

Article abstract of DOI:10.1016/S0040-4039(00)88483-X

The isoquinolinium bromide (4), on treatment with base, underwent cyclization to give the chiral oxazolotetrahydroisoquinoline (5) with a high diastereoselectivity, which was converted to optically pure salsolidine.