Described here is a novel and simple route to the unsaturated hydroazulenones, bicyclo [5.3.0] dec-3-en-8-ones (12a, b), from photo-products, 7-acetoxytricyclo [5. 3. 0. 01, 5] decan-2-ones (2a, b).
                                    这里描述的是从光敏产物
7-乙酰氧基三环[5.3.0.01,5]癸烷-2-酮(2a,b)到不饱和氢化
萘酮、双环[5.3.0]癸-3-烯-8-酮(12a,b)的一种新颖而简单的路线。