... In The Chemistry and Biology of Zsoquinoline Alkaloids; Philipson et al., Eds.; Springer-Verlag: New York, 1985; pp 102-125. ... SOC., Page 4. 2032 J. Org. Chem., Vol. ... The organic extract was dried with anhydrous Na2S04 and the solvent evaporated to leave the carbamate. ...