1.1
Catalysts:
p-Toluenesulfonic acid
;
40 °C; 24 h, 40 °C; 40 °C → rt
2.1
Solvents:
Pyridine
;
rt → 5 °C; 0 - 5 °C; 14 h, rt
2.2
Reagents:
Hydrochloric acid
Solvents:
Water
;
cooled
3.1
Reagents:
Hydrochloric acid
Solvents:
Water
;
rt → 60 °C; 10 - 15 min, 60 °C
3.2
Reagents:
Potassium carbonate
;
pH 7, rt
3.3
Reagents:
Potassium bicarbonate
;
2 h, 60 - 65 °C; 65 °C → rt
3.4
Reagents:
Hydrochloric acid
Solvents:
Water
;
neutralized
3.5
Solvents:
Methanol
,
Water
;
rt; overnight, cooled
4.1
Reagents:
Benzoic acid
,
Benzaldehyde
Solvents:
Water
;
24 h, rt
5.1
Reagents:
Hydrochloric acid
Solvents:
Methanol
;
rt; 30 min, rt
5.2
Reagents:
Silver carbonate
;
rt
5.3
Solvents:
Pyridine
;
rt → 5 °C; 0 - 5 °C; overnight, 40 - 50 °C
5.4
Reagents:
Hydrochloric acid
Solvents:
Water
;
cooled
6.1
Reagents:
Hydrochloric acid
Solvents:
Acetic acid
;
rt → 10 °C; 10 min, 10 °C; 30 min, 10 °C
7.1
Reagents:
Sodium hydride
Solvents:
Acetonitrile
;
30 min, rt
7.2
30 min, rt; 15 h, rt