A New Versatile Synthesis of Isoquinolines by Condensation of Iminophosphoranes witho-Phthalaldehyde

Abstract
The 3-isoquinolyl ketones (2a-d) are obtained by a one-pot procedure involving condensation of o-phthalaldehyde with iminophosphoranes (1a-d) generated in situ from the corresponding organic azides.