Studies on vitamin D (calciferol) and its analogs. Part 26. Effect of seven-membered ring fusion on thermal pericyclic processes of vinylallenes and other seco steroids related to A-homovitamin D
Studies on vitamin D (calciferol) and its analogs. Part 26. Effect of seven-membered ring fusion on thermal pericyclic processes of vinylallenes and other seco steroids related to A-homovitamin D