135996-83-7Relevant articles and documents
Lower-rim-substituted tert-butylcalix[4]arenes; part IX: One-pot synthesis of calix[4]arene-hydroxamates and calix[4]arene-amides
Lesinska, Urszula,Bochenska, Maria
, p. 2671 - 2676 (2006)
A simple method for selective acylation of protected and unprotected hydroxylamines with bis- and tetrakis-substituted p-tert-butylcalix[4]arene- acids through amide bond formation via mixed anhydrides is presented. The first crystal structure of calix-hy