Optically active 7-oxabicycloheptane prostaglandin intermediates are provided having the general structure
wherein one of R1 and R2 is
and the other is
A method for preparing the above intermediates is also provided.
                            提供了具有光学活性的 7-氧杂双
环庚烷前列腺素中间体,其一般结构为
其中 R1 和 R2 之一为
而另一个是
还提供了制备上述中间体的方法。