93245-52-4Relevant articles and documents
Regioselective O-alkylations and acylations of polyphenolic substrates using a calix[4]pyrrole derivative
Cafeo, Grazia,Kohnke, Franz H.,Valenti, Luca
, p. 4138 - 4140 (2009)
The 10α,20α-bis(4-nitrophenyl)-calix[4]pyrrole 2 can act as a topologically selective protecting group in the O-alkylation and acylation of polyphenolic polycyclic aromatic compounds thanks to the regioselective formation of phenolate-type complexes. Rema