Taxodione
Structural Formula Vector Image
Title: Taxodione
CAS Registry Number: 19026-31-4
CAS Name: (4bS-trans)-4b,5,6,7,8,8a-Hexahydro-4-hydroxy-4b,8,8-trimethyl-2-(1-methylethyl)-3,9-phenanthrenedione
Additional Names: 11-hydroxy-13-isopropylpodocarpa-7,9(11),13-triene-6,12-dione
Molecular Formula: C20H26O3
Molecular Weight: 314.42
Percent Composition: C 76.40%, H 8.33%, O 15.27%
Literature References: Diterpenoid quinone methide with tumor-inhibitory properties. Isoln of naturally occurring (+)-form from Taxodium distichum Rich, Taxodiaceae: S. M. Kupchan et al., J. Am. Chem. Soc. 90, 5923 (1968). Structure: eidem, J. Org. Chem. 34, 3912 (1969). Total synthesis of the racemate: K. Mori, M. Matsui, Tetrahedron 26, 3467 (1970); T. Matsumoto et al., Bull. Chem. Soc. Jpn. 44, 2766 (1971); 50, 1575 (1977); D. L. Snitman et al., Tetrahedron Lett. 1979, 2477; R. V. Stevens, G. S. Bisacchi, J. Org. Chem. 47, 2396 (1982). Total synthesis of the (+)-form: T. Matsumoto et al., Bull. Chem. Soc. Jpn. 50, 266 (1977); R. H. Burnell et al., Can. J. Chem. 65, 775 (1987). Antitumor activity studies: Hanson et al., Science 168, 378 (1970).
Properties: Golden plates from methanol, mp 115-116°. [a]D28 +56° (c = 1 in CHCl3). uv max (methanol): 320, 332, 400 nm (e 25000, 26000, 2000).
Melting point: mp 115-116°
Optical Rotation: [a]D28 +56° (c = 1 in CHCl3)
Absorption maximum: uv max (methanol): 320, 332, 400 nm (e 25000, 26000, 2000)

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