(−)-Caseamine from Ceratocapnos heterocarpa: Structure and total synthesis

(−)-Caseamine from Ceratocapnos heterocarpa: Structure and total synthesis Quaternary protoberberine alkaloids from Ceratocapnos heterocarpa (±)-heterocarpine, a hydroxymethylated isoquinoline alkaloid from ceratocapnos heterocarpa Structure and total synthesis of (-)-malacitanine. An unusual protoberberine alkaloid from ceratocapnos heterocarpa Cularine alkaloids from Ceratocapnos heterocarpa Cularine N-oxide alkaloids from Ceratocapnos heterocarpa N-Benzylisoquinoline alkaloids from Ceratocapnos heterocarpa Catharinensine, an oxindole alkaloid from Peschiera catharinensis Alcaloïdes minoritaires de Capuronetta elegans (Apocynaceae) Isonoyaine, a New C-Ring Secocularine Alkaloid