Tephrosin
Title: Tephrosin
CAS Registry Number: 76-80-2
CAS Name: (7aR-cis)-13,13a-Dihydro-7a-hydroxy-9,10-dimethoxy-3,3-dimethyl-3H-bis[1]benzopyrano[3,4-b:6¢,5¢-e]pyran-7(7aH)-one
Additional Names: hydroxydeguelin; toxicarol
Molecular Formula: C23H22O7
Molecular Weight: 410.42
Percent Composition: C 67.31%, H 5.40%, O 27.29%
Literature References: Occurs in leaves of Tephrosia vogelii Hook. f., Leguminosae, in derris root, cubé root: Hanriot, Compt. Rend. 144, 150 (1907); Clark, J. Am. Chem. Soc. 53, 729 (1931). Structure: Butenandt, Hilgetag, Ann. 495, 172 (1932).
Properties: Prisms. mp 198° (218-220°). Practically insol in water. Sol in chloroform, ether, acetone; sparingly sol in methanol.
Melting point: mp 198° (218-220°)

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