作者:F. Lamb、H. Suschitzky
DOI:10.1016/0040-4020(59)80064-8
日期:1959.1
The orientation and reactions of 1-acetyl-2-hydroxyxanthone (I; R1 Ac, R2 R3 H) leading to the synthesis of angular furanoxanthones (III; R Me) and (IV) and pyronoxanthones of the type (V) are described. The ultra-violet spectra of these extended xanthone systems are discussed.
1-乙酰基-2- hydroxyxanthone的取向和反应(I; R 1 AC,R 2 - [R 3 1H)导致角furanoxanthones的合成(III; RMe)的和(IV)和的pyronoxanthones描述类型(V)。讨论了这些扩展的黄酮系统的紫外光谱。