Acetic Anhydride → HCID 21694589, compound
Reaction equation
[NH2:1][CH2:2][C:3]1[O:7][N:6]=[C:5]([CH2:8][CH2:9][C:10]([OH:12])=[O:11])[CH:4]=1.[C:13](OC(=O)C)(=[O:15])[CH3:14]>N1C=CC=CC=1>[C:13]([NH:1][CH2:2][C:3]1[O:7][N:6]=[C:5]([CH2:8][CH2:9][C:10]([OH:12])=[O:11])[CH:4]=1)(=[O:15])[CH3:14]Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
7 g (0.04313 mol) of the product from Example 12 are suspended in a solution of 70 ml of acetic anhydride in 140 ml of pyridine with intensive stirring, the starting material slowly going into solution. After completion of the reaction (TLC checking), the mixture is concentrated in vacuo and the product is crystallized from acetone. Yield: 5.5 g; melting point: 134° C.
Workup
- customAfter completion of the reaction (TLC checking)
- concentrationthe mixture is concentrated in vacuo
- customthe product is crystallized from acetone
Sources & evidence
- ORD record
- ord-1377802636ff499ba3ec69ad86a42b5b
- Source dataset
- uspto-grants-1993_12
- Patent number
- US05273989
Reaction notes
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