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35287-72-0

英文名称 (3R,3'R,4S,4'S,4aS,4'aS)-2,2',3,3',4,4',9,9'-Octahydro-1,1',4,4',8,8'-hexahydroxy-3,3'-dimethyl-9,9'-dioxo-7,7'-bi(4aH-xanthene)-4a,4'a-dicarboxylic acid dimethyl ester
CAS 35287-72-0
分子式 C32H30O14
分子量 638.58
MOL 文件 35287-72-0.mol
35287-72-0 结构式 35287-72-0 结构式

基本信息

英文别名
Entothein
Ergochrome AA
Secalonic acid A
Ergochrome AA(2,2')
(3R,3'R,4'S,4'aS)-2,2',3,3',4,4',9,9'-Octahydro-1,1',4α,4',8,8'-hexahydroxy-3β,3'-dimethyl-9,9'-dioxo-7,7'-bi[4aH-xanthene]-4aα,4a'-dicarboxylic acid dimethyl ester
(3R,3'R,4S,4'S,4aS,4'aS)-2,2',3,3',4,4',9,9'-Octahydro-1,1',4,4',8,8'-hexahydroxy-3,3'-dimethyl-9,9'-dioxo-7,7'-bi(4aH-xanthene)-4a,4'a-dicarboxylic acid dimethyl ester
[7,7'-Bi-4aH-xanthene]-4a,4'a-dicarboxylic acid, 2,2',3,3',4,4',9,9'-octahydro-1,1',4,4',8,8'-hexahydroxy-3,3'-dimethyl-9,9'-dioxo-, 4a,4'a-dimethyl ester, (3R,3'R,4S,4'S,4aS,4'aS)-

物理化学性质

熔点246-248° (dec); mp 260° (Yoshioka et al., loc. cit.)
比旋光度D -73° (CHCl3)
沸点869.3±65.0 °C(Predicted)
密度1.67±0.1 g/cm3(Predicted)
酸度系数(pKa)pKDMF 8.7(at 25℃)
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