| Identification | Back Directory | [Name]
Praeruptorin E | [CAS]
72463-77-5 | [Synonyms]
Wulongensin A
(9R,10R)-8,8-Dimethyl-10-[(2-methylbutanoyl)oxy]-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-9-yl (2Z)-2-methylbut-2-enoate
(2Z)-2-Methyl-2-butenoic acid (9R,10R)-9,10-dihydro-8,8-dimethyl-10-(3-methyl-1-oxobutoxy)-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-yl ester
2-Butenoic acid,2-methyl-,(9R,10R)-9,10-dihydro-8,8-dimethyl-10-(3-methyl-1-oxobutoxy)-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-ylester, (2Z)- | [Molecular Formula]
C24H28O7 | [MDL Number]
MFCD09953816 | [MOL File]
72463-77-5.mol | [Molecular Weight]
428.47 |
| Chemical Properties | Back Directory | [Melting point ]
132-134℃ | [Boiling point ]
516.5±50.0 °C(Predicted) | [density ]
1.22 | [solubility ]
Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | [form ]
Powder | [color ]
White to off-white |
| Hazard Information | Back Directory | [Uses]
Praeruptorin C is a main bioactive constituent of Peucedanum praeruptorum (also known as Bai-Hua Qian Hu). Praeruptorin C is a calcium antagonist with pD2′ value of 5.7[1]. | [References]
[1] Rao MR, et al. Effects of praeruptorin C and E isolated from 'Qian-Hu' on swine coronary artery and guinea-pig atria. Eur J Pharmacol. 1988 Oct 18;155(3):293-6. DOI:10.1016/0014-2999(88)90516-x |
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