198640-23-2

Upstream product

• 90-02-8 salicylaldehyde 
• 154204-25-8 5,11,17,23-tetra-tert-butyl-25,27-bis(2'-aminoethoxy)-26,28-dihydroxycalix[4]arene 
• 121633-89-4 5,11,17,23-tetra-tert-butyl-25,27-bis(cyanomethoxy)-26,28-dihydroxycalix[4]arene 
• 157432-87-6 5,11,17,23-tetra-t-butyl-25,26,27,28-tetrahydroxycalix-4-arene 

Relevant academic research and scientific papers

Synthesis of 4-tert-butylcalix[4]arenes bearing two schiff-base units at the lower rim

An approach for synthesis of 4-tert-butylcalix[4]arenes bearing two Schiff base units at the lower rim 4a-u in excellent yields is described. All 21 compounds 4a-u have been achieved by treatment of 1,3-distally substituted 4-tert-butylcalix[4]arene amine 3 with aromatic or heterocyclic aldehydes in ethanol.

Synthesis and characterization of complexes of Fe(III), Co(III), Ni(II), Cu(II), Zn(II) and UO22+ with p-tert-butylcalix[4]arene bearing two imine pendants linked through salicylyl moiety at the lower rim

Metal ion complexes of the double-armed p-tert-butylcatix[4]arene derivative possessing mine functionality linked through salicylyl moiety at the lower rim has been synthesized for the first time and characterized by analytical, spectral and magnetic meth