Amarolide

Title: Amarolide
CAS Registry Number: 29913-86-8
CAS Name: (2a,11a)-2,11-Dihydroxypicrasane-1,12,16-trione
Molecular Formula: C20H28O6
Molecular Weight: 364.43
Percent Composition: C 65.91%, H 7.74%, O 26.34%
Literature References: Isoln from Ailanthus altissima (Mill.) Swingle (A. glandulosa Desf.), Simaroubaceae, and proposed structure: Casinovi et al., Tetrahedron Lett. 1965, 2273. Isoln from Castela nicholsoni Hook, Simaroubaceae, and revised structure: Stöcklin et al., ibid. 1970, 2399.
Properties: mp 253-255°. Practically insol in weak alkaline solns. Slightly sol in sodium carbonate, easily dissolved by sodium hydroxide.
Melting point: mp 253-255°
Derivative Type: Monoacetate
Molecular Formula: C22H30O7
Molecular Weight: 406.47
Percent Composition: C 65.01%, H 7.44%, O 27.55%
Properties: mp 264-265° for 11-acetate; mp 225° for 2-acetate.
Melting point: mp 264-265° for 11-acetate; mp 225° for 2-acetate
Derivative Type: Diacetate
Molecular Formula: C24H32O8
Molecular Weight: 448.51
Percent Composition: C 64.27%, H 7.19%, O 28.54%
Properties: mp 269-270° (from alcohol). Also reported as mp 260-262°.
Melting point: mp 269-270° (from alcohol); mp 260-262°
Amber Amberlite? Amberlyst 15? Ambrisentan Ambrosin