DEALING WITH CYCLIZATION IN THE SYNTHESIS OF SPIROINDOL(EN)INES AND TETRAZOLE-ISOQUINOLONES/PYRIDONES HYBRID
Gerardo M. Ojedaa, Prabhat Ranjana, Pavel Fedoseevb, Guglielmo Coppolaa, Lisandra Amableb, Upendra K. Sharmaa, Daniel G. Riverab, Erik V. Van der Eyckena
a University of Leuven, Leuven, Belgium b University of Havana, Havana, Cuba