2-(5H-Dibenzo[a,d]cyclohepten-5-on-2-yl)acetic, propionic and butyric acids are prepared by oxidation of the corresponding 5-oxo- or ketal-protected oxoalcohols and aldehydes. The acid products exhibit anti-inflammatory, analgesic and anti-pyretic activity.
                            2-(
5H-二苯并[a,d]环庚烯-5-酮-2-基)
乙酸、
丙酸和
丁酸是通过对应的5-氧代醇和醛的氧化制备而成。这些酸类产物具有抗炎、镇痛和退热活性。