تفاعل #54401

ord-aa9b866870224e65919dae7971919537

معادلة التفاعل

CC(=O)C(N=Nc1cc(S(=O)(=O)O)ccc1O)C(=O)Nc1ccccc1
α-(2-Hydroxy-5-sulfophenylazo)acetoacetanilide
CC(=O)OC(C)=O
acetic anhydride
→
CC(=O)Oc1ccc(S(=O)(=O)O)cc1N=NC(C(C)=O)C(=O)Nc1ccccc1
α-(2-Acetoxy-5-sulfophenylazo)acetoacetanilide

المتفاعلات

CC(=O)C(N=Nc1cc(S(=O)(=O)O)ccc1O)C(=O)Nc1ccccc1
α-(2-Hydroxy-5-sulfophenylazo)acetoacetanilide
CC(=O)OC(C)=O
acetic anhydride

الكواشف

لا شيء

المذيبات

c1ccncc1
pyridine

ظروف التفاعل

الظروف التفصيلية
See reaction.notes.procedure_details.

المعالجة

  1. 1
    workup.ADDITIONadded
  2. 2
    أخرىSome material precipitated while the reaction mixture
  3. 3
    درجة الحرارةAfter being cooled
  4. 4
    ترشيحthe product was filtered off
  5. 5
    أخرىdried

الإجراء التجريبي

α-(2-Hydroxy-5-sulfophenylazo)acetoacetanilide (40 g) was dissolved in boiling pyridine (750 ml) and acetic anhydride (100 ml) added. Some material precipitated while the reaction mixture was hot. After being cooled, the product was filtered off and dried. Yield: 38 g.

المصدر

DOI: 10.6084/m9.figshare.5104873.v1براءة الاختراع: US04148643uspto-grants-1979_04