Estrogen Receptor Ligands. 12. Synthesis of the Major Metabolites of an ERα-Selective, Dihydrobenzoxathiin Antagonist for Osteoporosis
摘要:
During the course of drug metabolism studies, a major metabolite of compound 1 was detected in rhesus monkeys and assigned structure 4. The intriguing biotransformation of 1 leading to 4 was confirmed by a 19-step total synthesis starting from resorcinol (11). the key feature of which was the construction of the oxygen bridge utilizing a phenolic oxidation and trapping sequence. In addition.. the synthesis of a related metabolite (5) is described.
尿石素(羟基化的6 H-苯并[ c ] chromen-6-ones)是鞣花酸(EA)的主要生物利用代谢物,被证明是治疗神经退行性疾病的认知增强剂。作为本研究的一部分,设计并合成了一系列烷氧基化的6 H-苯并[ c ] chromen-6-one衍生物。此外,评估了它们的生物活性作为潜在的PDE2抑制剂,发现烷氧基化的6 H-苯并[ c ] chromen-6-one衍生物1f具有最佳的抑制潜力(IC 50:3.67±0.47μM)。与BAY 60-7550体外细胞水平研究相比,它还表现出可比的活性。