Ganga, V B; Sreeja, T; Suresh, E; Luxmi Varma, R
(Elsevier, 2007)
Calix[4]arene derived bis(spirodienone) can act as a 4 pi component in cycloaddition reaction with a variety of carbo- and heterodienophiles yielding the bisadducts in excellent to quantitative yields. Bis(spirodienone) ...