Boric Acid → HCID 131733210, compound

Participants

Reaction Conditions

Reaction Steps

86.4 g (1.40 mol) of boric acid (for production of a catalyst) was added to 17.9 L (190 mol) of acetic anhydride in a nitrogen atmosphere, and the mixture was heated and stirred at 70.0 to 77.7° C. for 30 minutes. Then the mixture was cooled to an internal temperature of 24.7° C. (warm water temperature setting: 23.0° C.). Then boric acid was added in four portions to the solution mixture. More specifically, 842 g (13.6 mol) of boric acid (the first portion) was added to the solution mixture, and the resultant mixture was stirred at 24.7 to 27.4° C. for 30 minutes. Then 842 g (13.6 mol) of boric acid (the second portion) was added to the solution mixture, and the resultant mixture was stirred at 24.3 to 26.3° C. for 30 minutes. 842 g (13.6 mol) of boric acid (the third portion) was added to the solution mixture, and the resultant mixture was stirred at 24.3 to 26.8° C. for 30 minutes. 842 g (13.6 mol) of boric acid (the fourth portion) was added to the solution mixture, and the resultant mixture was stirred at 25.1 to 28.3° C. for 30 minutes. The solution mixture was stirred at 50.0 to 54.9° C. for 30 minutes to obtain a boric acid triacetate adjusting solution.

Provenance & Evidence