반응 #62862

반응 방정식

2,5-dichloro-4-methylbenzoic acid

HNO3

→

2,5-Dichloro-4-methyl-3-nitrobenzoic acid

용매

H2SO4

반응 조건

후처리

1. 1
   기타The solid which has precipitated
2. 2
   기타is isolated
3. 3
   기타dried

실험 절차

41 g of 2,5-dichloro-4-methylbenzoic acid are added in portions to a mixture of 100 ml of concentrated H2SO4 and 20 ml of 68% strength HNO3. The mixture is kept at 50° for 3 hours and then poured onto 600 g of ice. The solid which has precipitated is isolated, dried and stirred with a little toluene. Melting point: 210°-18°, yield: 43.8 g.

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