-药物合成数据库

【药物名称】

化学结构式(Chemical Structure):

参考文献No.	804027
标题:	alpha-Methylene-gamma-lactone
作者:	Aboul-Enein, H.Y.
来源:	Drugs Fut 1980,5(7),352

合成路线图解说明: By condensation of ethyl oxalylbutyrolactone (I) with gaseous formaldehyde in the presence of lithium hydride in tetrahydrofuran. Description.- Colorless oil. Infrared spectrum: 1750 cm-1 (C=O); 1660 cm-1 (C=CH2).

参考文献No.	804028
标题:	Cytotoxic isoprenylated xanthones from Cudrania tricuspidata
作者:	Ksander, G.M.; et al.
来源:	J Org Chem 1977,42(8),1180

合成路线图解说明: By condensation of ethyl oxalylbutyrolactone (I) with gaseous formaldehyde in the presence of lithium hydride in tetrahydrofuran. Description.- Colorless oil. Infrared spectrum: 1750 cm-1 (C=O); 1660 cm-1 (C=CH2).