An efficient procedure for the preparation of 4-methyl-2-thiocoumarins by the reaction of 4-methylcoumarins with lawesson's reagent
作者:Albert Levai、JÓZsef Jekő
DOI:10.1002/jhet.5570420443
日期:2005.5
A simple and convenient method has been worked out for the preparation of 4-methyl-2-thiocoumarins by the reaction of the appropriate 4-methylcoumarins with Lawesson'sReagent in hot anhydrous toluene.