yields. Then, 7a,b,d were easily converted to the 2-naphthol 9 (R1=R2=H) by sequential dehydrogenation and deprotection. The method of conversion developed here has been successfully applied to an efficient synthesis of the methanolysis product 12 of neocarzinostatin chromophore 10.
1-碳甲氧基-1-链烯氧基
苯并环丁烯4a-d的热解通过Eo-喹二
甲烷的
化学选择性电环反应以高收率产生了二氢
萘7a-d。然后,通过顺序地脱氢和脱保护,将7a,b,d容易地转化为
2-萘酚9(R 1= R 2= H)。在这里开发的转换方法已成功地应用于新carcarinostatin生色团10的
甲醇分解产物12的有效合成。