We know that the rate of many reactions can be accelerated by catalysts. A catalyst speeds up the rate of a reaction by lowering the activation energy; in addition, the catalyst is regenerated in the process. Benzo[d]isoxazol-3-amine, cas is 36216-80-5,the Benzisoxazole compound, below Introduce a new synthetic route., 36216-80-5
EXAMPLE 27 1-(2,6-DICHLOROBENZOYL)-3-(3-BENZISOXAZOLYL)UREA 3-Aminobenzisoxazole (300 grams) and 2,6-dichlorobenzoyl isocyanate (600 grams) in 50 ml. methylene chloride were stirred at room temperature for one hour. The solvent was then evaporated and the precipitate recrystallized from ethanol. The identity of the product was determined by NMR and IR analysis, yield 500 mg., m.p.=212-215 C. Calculated: C, 51.45; H, 2.59; N, 12.00. Found: C, 51.35; H, 2.40; N, 11.84.
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Reference£º
Patent; Eli Lilly and Company; US4336264; (1982); A;,
Benzisoxazole – Wikipedia
Benzisoxazole – an overview | ScienceDirect Topics