Borylation of calix[4]resorcinols under ultrasonic irradiationThe use of ultrasonic irradiation in the reactions of trialkyl borates with octahydroxytetraoctyl[
l Borylation of calix[4]resorcinols under ultrasonic irradiationThe use of ultrasonic irradiation in the reactions of trialkyl borates with octahydroxytetraoctyl[
l