反应详情

The same procedure as in the steps (24b) to (24f) of Example 24 was repeated using (1-cyclobutyl-2,6,7-trioxabicyclo[2.2.2]oct-4-yl)methanol obtained in the step (38a) above to obtain the title compound (56 mg, 2.3%) as a light yellow solid.

1. customobtained in the step (38a) above