Opium Alkaloids VII. Isolation of a New Benzylisoquinoline Alkaloid. Synthesis and NMR Studies of Papaveroline Trimethyl Ethers

Opium Alkaloids VII. Isolation of a New Benzylisoquinoline Alkaloid. Synthesis and NMR Studies of Papaveroline Trimethyl Ethers Opium Alkaloids VI Alkaloids from Papaver setigerum DC. A New Benzylisoquinoline Alkaloid:N-Methylpalaudinium Chloride Alkaloids from Papaver setigerum DC. Quaternary Isoquinoline Alkaloids from Papaver Species New synthesis of 1-[(3,4-dimethoxyphenyl)methoxymethyl]-6,7-dimethoxyisoquinoline (setigerine), a naturally occurring alkaloid, and some derivatives of papaverine Opium alkaloids. XIII. Isolation of 16-hydroxythebaine Quaternary alkaloids of some species of the Papaveraceae family Alkaloids from callus tissue of Papaver somniferum