Pseudomorphine
Title: Pseudomorphine
CAS Registry Number: 125-24-6
CAS Name: (5¢a,6'a)-7,7¢,8,8¢-Tetradehydro-4,5:4¢,5¢-diepoxy-17,17¢-dimethyl-[2,2¢-bimorphinan]-3,3¢,6,6¢-tetrol
Additional Names: 2,2¢-bimorphine; pseudomorphine (C34 alkaloid)
Molecular Formula: C34H36N2O6
Molecular Weight: 568.66
Percent Composition: C 71.81%, H 6.38%, N 4.93%, O 16.88%
Literature References: A dimolecular base formed by the gentle oxidation of morphine in alkaline soln. Refs: Broockmann, Polstorff, Ber. 13, 88 (1880); Bentley, Dyke, J. Chem. Soc. 1959, 2574. Review and bibliography: K. W. Bentley, The Chemistry of the Morphine Alkaloids (Oxford, 1954) p 54.
 
Derivative Type: Trihydrate
Properties: Crystalline powder; levorotatory in acid soln. Becomes anhydr at 150° and dec at about 327°. Insol in cold water, alcohol, ether, dil H2SO4. Slightly sol in cold, more sol in hot ammonia; sol in fixed alkali hydroxide solns, in pyridine, aniline, benzyl alcohol, guaiacol.
 
NOTE: Name pseudomorphine is also used for the C17 alkaloid base.

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