1.1: acetic anhydride / acetic anhydride / 2.5 h / 130 °C
1.2: 18 h / 20 °C
2.1: sodium hydride / tetrahydrofuran; mineral oil / 1 h / 0 °C
View Scheme
1.1: acetic anhydride / acetic anhydride / 2.5 h / 130 °C
1.2: 18 h / 20 °C
2.1: sodium hydride / tetrahydrofuran; mineral oil / 1 h / 0 °C
View Scheme