The first examples of p-bromodienone calixarene derivatives (6-7 and 9-10) have been obtained by treatment of 1,5-dihydroxy-hexaalkoxycalix[8]arenes 5 or tripropoxycalix[4]arene 8 with trimethylphenylammonium tribromide and a saturated solution of NaHCO3. The first transannular spirodienone derivative 11 was only obtained in the presence of NaOH or using the KOH/I-2/PEG-200 oxidizing system.

Synthesis of the first examples of p-bromodienone and transannular spirodienone calixarene derivatives

GAETA, CARMINE;MARTINO, Marco;NERI, Placido
2003

Abstract

The first examples of p-bromodienone calixarene derivatives (6-7 and 9-10) have been obtained by treatment of 1,5-dihydroxy-hexaalkoxycalix[8]arenes 5 or tripropoxycalix[4]arene 8 with trimethylphenylammonium tribromide and a saturated solution of NaHCO3. The first transannular spirodienone derivative 11 was only obtained in the presence of NaOH or using the KOH/I-2/PEG-200 oxidizing system.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11386/1058720
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