Proximal intraannular modifications of calix[4]arene via its spirodienone derivative
作者:Oleg Aleksiuk、Flavio Grynszpan、Silvio E. Biali
DOI:10.1039/c39930000011
日期:——
Mild oxidation of p-tert-butylcalix[4]arene 1 yields the chiral spirodienone 3 which is used as an intermediate for the preparation of proximally disubstituted and didehydroxylated calixarenes; the crystal structure of 3 has been determined.