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项目整合精选>>>Ergoflavin CAS Registry Number: 3101-51-7 (1S,1'S,10R,10'R,11S,11'S,13S,13'S,14S,14'S)-7,7',10,10',14,14'-六羟基-13,13'-二甲基-6,6'-联(2,16-二氧杂四环[9.3.2.01,10.03,8]十六烷)-3,3',5,5',7,7'-己烯-9,9',15,15'-四酮
Ergoflavin CAS Registry Number: 3101-51-7 (1S,1'S,10R,10'R,11S,11'S,13S,13'S,14S,14'S)-7,7',10,10',14,14'-六羟基-13,13'-二甲基-6,6'-联(2,16-二氧杂四环[9.3.2.01,10.03,8]十六烷)-3,3',5,5',7,7'-己烯-9,9',15,15'-四酮
CAS Name: (1S,1'S,3S,3'S,4S,4'S,4aS,4'aS,9aR,9'aR)-1,1',3,3',4,4',9a,9'a-Octahydro-4,4',8,8',9a,9'a-hexahydroxy-3,3'-dimethyl-[7,7'-bi-1,4a-(epoxymethano)-4aH-xanthene]-9,9',11,11'(2H,2'H)-tetrone
Additional Names: ergochrome CC(2,2')
Percent Composition: C 59.02%, H 4.29%, O 36.69%
📌 参考资料/链接：
Literature References: Principal pigment from ergot: Freeborn, Pharm. J. 88, 568 (1912); Eglinton et al., J. Chem. Soc. 1958, 1833. Structure: McPhail et al., ibid. 1966, Sect. B, 18. Review of ergoflavin and other ergochromes: Franck, Flasch in Fortschr. Chem. Org. Naturst. 30, 151-206 (1973).
📄 详细内容
Properties: Yellow needles from methanol, decomp 350°. [a]D21 +37.5° (c = 1.236 in acetone). uv max: 240, 260, 381 nm (E1%1cm 350, 346, 130). Sol in acetone, pyridine; moderately sol in methanol, alcohol, ethyl acetate, dioxane; sparingly sol in ether, benzene. Practically insol in 2N aq NaHCO3.
Optical Rotation: [a]D21 +37.5° (c = 1.236 in acetone)
Absorption maximum: uv max: 240, 260, 381 nm (E1%1cm 350, 346, 130)
Derivative Type: Hexaacetate
Percent Composition: C 58.47%, H 4.44%, O 37.09%
Properties: Prisms from chloroform + petr ether, dec 248-249°. [a]D20 +61.2° (c = 0.62 in dioxane). uv max: 340, 338 nm (E1%1cm 343, 61).
Optical Rotation: [a]D20 +61.2° (c = 0.62 in dioxane)
Absorption maximum: uv max: 340, 338 nm (E1%1cm 343, 61)
产品链接: 3101-51-7››