中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 9-Benzyl-fluoren-9-carbonsaeure | 4709-69-7 | C21H16O2 | 300.357 |
A novel synthesis is described of 1,2;3,4-dibenzophenanthrene, based on the spiro-ketone (IIIb), which was cleaved by strong base to the acid (VIIb).An example is described of acylation of aliphatic carbon.