Since the discovery of its roles as a good small-organic-molecule catalyst in intramolecular aldol reactions, pro line has drawn considerable attention in synth
Ring contraction reactions of heterocyclic compounds under mass ionization conditions are important and interesting phenomenon.[1] It should be very useful to e
The use of environmentally benign reaction media is very important in view of today' s environmentally con scious attitude. In connect with this, room tempe