Electronic control of stereoselectivity. 15. Stereoselectivity of Diels-Alder cycloadditions to norbornyl- and norbornenyl-fused spirocyclic cyclopentadiene systems
Electronic control of stereoselectivity. 15. Stereoselectivity of Diels-Alder cycloadditions to norbornyl- and norbornenyl-fused spirocyclic cyclopentadiene systems