hydrogen iodide; acetic anhydride 4 h; Heating;

1: 1.) H2, 2.) 10percent NaOH, NaCl / 1.) PtO2 / 1.) ethanol, chloroform, 40 psi, 3 h 2: 60 percent / 47percent HI, acetic anhydride / 4 h / Heating View Scheme