Diastereoselective Synthesis of 4-Substituted L-Prolines by Intramolecular Radical Cyclization ofN-Aryl sulphonyl-N-allyl 3-bromoalanines: Interesting Dependence of Selectivity on the Nature of Sulphonamido Groups
Diastereoselective Synthesis of 4-Substituted L-Prolines by Intramolecular Radical Cyclization ofN-Aryl sulphonyl-N-allyl 3-bromoalanines: Interesting Dependence of Selectivity on the Nature of Sulphonamido Groups