1: C8H10O2 With tetra(n-butyl)ammonium hydroxide in tetrahydrofuran; water T=0°C; 1 h; 2: methyl iodide in tetrahydrofuran; water T=20°C;

1: With diisobutylaluminium hydride in hexane; toluene T=-10 - 20°C; 2 h; 2: With methanol; water; Sodium potassium tartrate in hexane; toluene T=0°C; 2 h;