propan-2-yl (2S)-2-amino-3-(4-hydroxyphenyl)propanoate

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: HCl (70 g) and tyrosine (7 g) were dissolved in water (1 L). Caffeine (50 g) was added into the mixture and the mixture was stirred for a few minutes. The mixture was filled into either spray bottles or roll-on bottles. The mixture was filled into either spray bottles or roll-on bottles

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: HCl (70 g) and tyrosine (7 g) were dissolved in water (1 L). Caffeine (50 g) was added into the mixture and the mixture was stirred for a few minutes. The mixture was filled into either spray bottles or roll-on bottles. The mixture was filled into either spray bottles or roll-on bottles

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: HCl (70 g) and tyrosine (7 g) were dissolved in water (1 L). Caffeine (50 g) and menthol (10 g) were added into the mixture and the mixture was stirred for a few minutes. The mixture was filled into either spray bottles or roll-on bottles. The mixture was filled into either spray bottles or roll-on bottles

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: HCl (70 g) and tyrosine (7 g) were dissolved in water (1 L). Caffeine (50 g), ethanol (100 ml) and menthol (20 g) were added into the mixture and the mixture was stirred for a few minutes. The mixture was filled into either spray bottles or roll-on bottles. The mixture was filled into either spray bottles or roll-on bottles

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: HCl (70 g) was dissolved in water (1 L). Caffeine (60 g) and menthol (10 g) were added into the mixture and the mixture was stirred for a few minutes. The mixture was filled into either spray bottles or roll-on bottles. The mixture was filled into either spray bottles or roll-on bottles

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: HCl (120 g) was dissolved in water (1 L). Caffeine (100 g) and menthol (20 g) were added into the mixture and the mixture was stirred for a few minutes. The mixture was filled into either spray bottles or roll-on bottles. The mixture was filled into either spray bottles or roll-on bottles