Desulfonylation of N-Sulfonyl Tetrahydroisoquinoline Derivatives by Potassium Fluoride on Alumina Under Microwave Irradiation: Selective Synthesis of 3,4-Dihydroisoquinolines and Isoquinolines
作者:Claudio C. Silveira、Carmem R. Bernardi、Antonio L. Braga、Teodoro S. Kaufman
DOI:10.1055/s-2002-31923
日期:——
In a solvent-free system, the microwave irradiation of mixtures of N-sulfonyl tetrahydroisoquinolines and 37% potassium fluoride supported on alumina selectively furnished 3,4-dihydroisoquinolines or isoquinolines, depending upon the reaction time.
Carbonyl transposition of α-hydroxyamidals mediated by triphenylphosphine-iodine. A new entry to tetrahydroisoquinolin-4-ones
作者:Viviana L. Ponzo、Darío A. Bianchi、Teodoro S. Kaufman
DOI:10.1016/s0040-4039(98)00535-8
日期:1998.5
Carbonyltransposition of 2-sulfonyl-3-methoxy-4-hydroxy-tetrahydroisoquinolines with the triphenylphosphine-iodine reagent provides a new access to tetrahydroisoquinolin-4-one derivatives.