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
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)-
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℃) |