[4+6] Thermal Cycloaddition

Background Colour:

Sn2

Click the structures and reaction arrows in sequence to view the 3D models and animations respectively

This a [4+6] thermal cycloaddition of cyclopentadiene with cyclohepta-2,4,6-trienone. There are six atoms in the trieneone and four atoms involved on the cyclopentadiene, making it a 4+6 cycloaddition. This reaction produces 100% endo product.

J. H. Rigby, S. D. Rege, V. P. Sandanayaka and M. Kirova, J. Org. Chem., 1996, 61, 842–850.

 

 

894