Selective dealkylations of aryl alkyl ethers and thioethers by sodium in HMPA

~89%

~93%

~76%

~%

~63%

~%

~75%

~58%

~%

~80%

~%

~73%

~%

~87%

~%

~%

~%

~%

~%

~63%

~%

~80%

~%

~%

~%

~%

~%

~%

~%

~%

~%

~%

~%

~%

~%

~%

~%

~%

~%

~%

~%

~%

~92%