网站主页>>>项目整合精选>>>项目整合精选>>>Coumingine CAS Registry Number: 26241-81-6 (3beta,13E,14alpha)-13-{2-[2-(二甲基氨基)乙氧基]-2-氧代乙亚基}-14-甲基-7-氧代罗汉松n-3-基3-羟基-3-甲基丁酸酯

Coumingine CAS Registry Number: 26241-81-6 (3beta,13E,14alpha)-13-{2-[2-(二甲基氨基)乙氧基]-2-氧代乙亚基}-14-甲基-7-氧代罗汉松n-3-基3-羟基-3-甲基丁酸酯


CAS Name: [2S-(2a,4aa,4bb,7E,8b,8aa,10ab)]-3-Hydroxy-3-methylbutanoic acid 7-[2-[2-(dimethylamino)ethoxy]-2-oxoethylidene]tetradecahydro-1,1,4a,8-tetramethyl-9-oxo-2-phenanthrenyl ester
Percent Composition: C 68.88%, H 9.37%, N 2.77%, O 18.98%
📌 参考资料/链接:
Literature References: Cardiotonic principle from the bark of Erythrophleum couminga Baillon, Leguminosae. Isoln: Ruzicka et al., Helv. Chim. Acta 24, 63 (1941). Structure: Ruzicka et al., ibid. 1449.

📄 详细内容


Properties: Thin shiny needles from ether, mp 142°. [a]D20 -70°. Sol in methanol, ethanol, acetone, acetic acid, benzene, chloroform. Practically insol in water, hexane, ether.
Melting point: mp 142°
Optical Rotation: [a]D20 -70°
Derivative Type: Hydrochloride
Percent Composition: C 64.25%, H 8.92%, N 2.58%, O 17.71%, Cl 6.54%
Properties: Crystals from ethanol + ether, mp 195°. Sol in ethanol, water.
Melting point: mp 195°
产品链接: 26241-81-6››