An unexpected discovery of new trans-4-acetyl-1,9-dimethyl-4,4a-dihydro-3H-fluoren-3-ones from one pot reactions of benzaldehydes and acetylacetone is described. The synthetic mechanism and stereochemistry were discussed. These new derivatives exhibit good fluorescent properties in solutions.
描述了一种意外发现的新型trans-4-acetyl-1,9-dimethyl-4,4a-dihydro-3H-fluoren-3-酮,这些化合物是通过
苯甲醛和乙酰乙酮的一锅法反应得到的。讨论了合成机制和立体
化学。这些新衍
生物在溶液中表现出良好的荧光特性。