반응 #4252

반응 방정식

ethyl p-aminobenzoate

cyanuric chloride

hydrogen chloride

→

1,3,5-tris-(p-ethoxycarbonylanilino)-s-triazine

수율 97.0%

용매

xylene

xylene

반응 조건

후처리

1. 1
   세척the suspension, at 80°-90° C., was washed neutral with saturated sodium bicarbonate solution
2. 2
   여과the product was filtered off over a glass suction
3. 3
   여과filter
4. 4
   기타The white crystals obtained
5. 5
   세척were washed with ethanol
6. 6
   기타dried

실험 절차

82.6 g of ethyl p-aminobenzoate and 30.75 g of cyanuric chloride in 1,500 ml of xylene were refluxed for 8 hours, hydrogen chloride escaping during this procedure. Thereafter, 1 liter of xylene was added, and the suspension, at 80°-90° C., was washed neutral with saturated sodium bicarbonate solution and then cooled to room temperature, and the product was filtered off over a glass suction filter. The white crystals obtained were washed with ethanol and dried. Mp: 218°-223° C.; yield: 97% of 1,3,5-tris-(p-ethoxycarbonylanilino)-s-triazine; ultraviolet (in ethanol): E1 cm1% =2,080 at 313 nm, E1 cm1% =699 at 218 nm.

출처