Synthesis of 2,6-di-tert-butylphenols linked to 1,3,4-oxadiazoles and 1,3,4-thiadiazoles

The preparation of a series of analogs of 2,6-di-tert-butylphenol linked to a 1,3,4-oxadiazole or 1,3,4-thiadiazole via an ethylene or methyleneoxy spacer is discussed.