Practical organic synthesis with strained ring molecules. Rhodium catalyzed carbonylation of cyclopropenecarboxylate esters and cyclopropenyl ketones to .alpha.-pyrones and of vinylcyclopropenes to phenols
Practical organic synthesis with strained ring molecules. Rhodium catalyzed carbonylation of cyclopropenecarboxylate esters and cyclopropenyl ketones to .alpha.-pyrones and of vinylcyclopropenes to phenols