Electronic control of stereoselectivity. 16. Role of pendant methyl groups in controlling the rate and stereochemical outcome of Diels-Alder additions to tricyclo[5.2.1.02,6]decadienes and -trienes
Electronic control of stereoselectivity. 14. Long-range control by norbornane frameworks of cyclopentadienide reactivity. Stereoselective capture of electrophiles by tricyclo[5.2.1.02,6]deca-3,8-dienyl anions