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.
New Syntheses of 1-Benzoyltetrahydroisoquinoline Derivatives Using Polymer-supported Bis(trifluoroacetoxyiodo)benzene
作者:Ling-Ching Chen、Hsin-Yu Huang、Rei-Sheu Hou、Huey-Min Wang
DOI:10.3987/com-05-10433
日期:——
The reaction of N-benzenesulfonyl-β-phenethylamines with α-benzoyl sulfides usingpolymer-supportedbis(trifluoroacetoxyiodo)benzene (PSBTI) gives moderate to good yields of the corresponding 1-benzoyltetrahydroisoquinoline derivatives.