Sreeja, T; Bhagavathy, G V; Jijy, E; Luxmi Varma, R
(Elsevier, 2009)
A mild and efficient one-step procedure for the upper rim modification of calix[4]arene via a bis(spirodienone) is described. The bis(spirodienone) on reaction with alcohols in the presence of p-TSA affords mono- and ...