The leaves of Pilocarpus pennatifolius Lem. and P. jaborandi Holmes contain this
alkaloid which is a colourless oily liquid. A number of salts and derivatives have
been prepared, e.g. the hydrochloride hemihydrate, m.p. 127°C or 159°C (dry);
hydrobromide, m.p. 147°C; nitrate, m.p. 159°C; aurichloride, m.p. 158-9°C;
platinichloride, m.p. 226-7°C; picrate, m.p. 161°C and the methiodide, m.p.
114°C.
Jowett.,J. Chern. Soc., 77, 483 (1900)
Jowett., ibid, 87, 794 (1905)
Burtles, Pyman, Roylance., ibid, 581 (1925)
Preobrashenski, Wompe, Preobrashenski., Ber., 66, 1187 (1933)
Poljakova et al., ibid, 69, 1314 (1936)
DeY.,J. Chern. Soc., 1057 (1937)
Preobrashenski., Chern. Abstr., 47,4345 (1953)
