α,β-Unsaturated thiocarbonyl S-sulfides (thiosulfines). Their generation, intramolecular trapping by a non-activated CC dipolarophile via[5 + 2] cycloaddition and trans-sulfurization ability
α,β-Unsaturated thiocarbonyl S-sulfides (thiosulfines). Their generation, intramolecular trapping by a non-activated CC dipolarophile via[5 + 2] cycloaddition and trans-sulfurization ability