Acetic Anhydride → HCID 53977713, compound
Reaction equation
[N:1]1[C:10]2[C:5](=[C:6]([C:14]([OH:16])=[O:15])[C:7]([C:11]([OH:13])=O)=[CH:8][CH:9]=2)[CH:4]=[CH:3][CH:2]=1.C(OC(=O)C)(=O)C>>[N:1]1[C:10]2[C:5](=[C:6]3[C:14](=[O:15])[O:16][C:11](=[O:13])[C:7]3=[CH:8][CH:9]=2)[CH:4]=[CH:3][CH:2]=1Participants
3
Conditions
- Temperature
- 0 °C
Procedure
A mixture of 5,6-quinolinedicarboxylic acid and acetic anhydride is stirred for 2 hours at reflux temperature, cooled to 0° C. and filtered. The filter cake is dried to give the title product as yellow needles (1.50 g, 82.4%) mp 247°-50° C., identified by H1NMR spectroscopy.
Workup
- temperatureat reflux temperature
- filtrationfiltered
- customThe filter cake is dried
Sources & evidence
- ORD record
- ord-0c67958822a44bf687ff642494df1b41
- Source dataset
- uspto-grants-1994_02
- Patent number
- US05283335
Reaction notes
Loading…