CAS No 6147-11-1 , 1,3,6-trihydroxy-7-methoxy-2,8-bis(3-methylbut-2-enyl)xanthen-9-one

Title: Mangostin
CAS Registry Number: 6147-11-1
CAS Name: 1,3,6-Trihydroxy-7-methoxy-2,8-bis-(3-methyl-2-butenyl)-9H-xanthen-9-one
Synonyms: 1,3,6-trihydroxy-7-methoxy-2,8-di(3-methyl-2-butenyl)xanthone
Molecular Formula: C24H26O6
Molecular Weight: 410.46
Percent Composition: C 70.23%, H 6.38%, O 23.39%
Literature References: From various parts of the mangosteen tree (Garcinia mangostana L., Guttiferae): Schmid, Ann. 93, 83 (1855); Dragendorff, ibid. 482, 280 (1930). Structure: Yates, Stout, J. Am. Chem. Soc. 80, 1691 (1958); Scheinmann, Chem. Commun. 1967, 1015; Stout et al., ibid. 1968, 211.
Properties: Yellow crystals from benzene, mp 181.6-182.6°. uv max (ethanol): 243, 259, 318, 351 nm (log e 4.54, 4.44, 4.38, 3.86). Practically insol in water; sol in alcohol, ether, acetone, chloroform, ethyl acetate.
Melting point: mp 181.6-182.6°
Absorption maximum: uv max (ethanol): 243, 259, 318, 351 nm (log e 4.54, 4.44, 4.38, 3.86)
 
Derivative Type: 3,6-Dimethylmangostin
Molecular Formula: C26H30O6
Molecular Weight: 438.51
Percent Composition: C 71.21%, H 6.90%, O 21.89%
Properties: Pale yellow needles from ethanol, mp 123.3-123.8°. uv max (ethanol): 245, 262, 314, 350 nm (log e 4.50, 4.53, 4.36, 3.81).
Melting point: mp 123.3-123.8°
Absorption maximum: uv max (ethanol): 245, 262, 314, 350 nm (log e 4.50, 4.53, 4.36, 3.81)