is a prenylated stilbene that functions as an antagonist of the kappa opioid receptor. Analogues of this natural product bearing different placements of the prenyl group in the A-ring have shown selectivity for either the kappa or the delta receptors subtypes. This differential activity has drawn attention to regiospecific preparation of the C-2, C-5, and C-6 prenylated A-ring regioisomers. Through
Pawhuskin A是一种
异戊二烯基
二苯乙烯,起着κ阿片受体拮抗剂的作用。这种
天然产物在A环上带有
异戊二烯基的不同位置的类似物已显示出对κ或δ受体亚型的选择性。这种差异活性已经引起人们对C-2,C-5和C-6
戊烯基化A环区域异构体的区域特异性制备的关注。通过卤素
金属交换,已制备出代表这些区域异构体中每一种的高级中间体,并且新的C-6中间体已转化为天然
二苯乙烯的新类似物。