| Title:  Tiliacorine CAS Registry Number:  27073-72-9 CAS Name:  (1a,1¢a)-6¢,7-Didemethoxy-6¢,7-epoxyrodiasine Molecular Formula:  C36H36N2O5 Molecular Weight:  576.68 Percent Composition:  C 74.98%, H 6.29%, N 4.86%, O 13.87% Literature References:  From bark of Tiliarcora acuminata Miers, and T. racemosa Colebr., Menispermaceae.  Isoln:  Van Itallie, Steenhauer, Pharm. Weekbl. 59, 1381 (1922).  Structure:  Anjaneyulu et al., Chem. Ind. (London) 1959, 1119; Rao, Row, J. Org. Chem. 25, 981 (1960).  Revised structure:  Anjaneyula et al., J. Sci. Ind. Res. 21B, 602 (1962); eidem, Tetrahedron 25, 3091 (1969); M. Shamma, J. E. Foy, J. Org. Chem. 41, 1293 (1976).  Abs config and biosynthesis:  D. S. Bhakuni et al., Chem. Commun. 1978, 226. Properties:  Bitter crystals, mp 271-272°.  [a]D +105.3°.  uv max:  295, 265 nm (log e 3.91, 3.48).  Sol in alcohol, benzene, chloroform, ether. Melting point:  mp 271-272° Optical Rotation:  [a]D +105.3° Absorption maximum:  uv max:  295, 265 nm (log e 3.91, 3.48)  |