Oxidation by the procedure of Grieco et al. (Tetrahedron Lett., 1978, 419).;

1: Oxidation by the procedure of Grieco et al. (Tetrahedron Lett., 1978, 419). 2: copper(I) iodide / tetrahydrofuran; various solvent(s) / 1 h / -30 °C View Scheme

1: Oxidation by the procedure of Grieco et al. (Tetrahedron Lett., 1978, 419). 2: copper(I) iodide / tetrahydrofuran; various solvent(s) / 1 h / -30 °C View Scheme