2: 1.) POCl3; 2.) H2 / 2.) 10percent Pd/C / 1.) 21 h, room temp.; 2.) AcOEt, 3 h View Scheme

hydrogen; trichlorophosphate; palladium on activated charcoal 1.) 21 h, room temp.; 2.) AcOEt, 3 h; Yield given. Multistep reaction. Yields of byproduct given;