Water ethanol → 2,2-Difluoro-2-(quinolin-6-yl)acetohydrazide
Reaction equation
[F:1][C:2]([F:28])([C:13]1N2N=C(C3C=NN(C)C=3)C=CC2=[N:15][N:14]=1)[C:3]1[CH:4]=[C:5]2[C:10](=[CH:11][CH:12]=1)[N:9]=[CH:8][CH:7]=[CH:6]2.C([OH:31])C.O>>[F:1][C:2]([F:28])([C:3]1[CH:4]=[C:5]2[C:10](=[CH:11][CH:12]=1)[N:9]=[CH:8][CH:7]=[CH:6]2)[C:13]([NH:14][NH2:15])=[O:31]Participants
3
Procedure
Form I of the compound of formula (I) (0.5 g, as prepared in Example 1) is heated at 60° C. in acetone/water mixture (50/50, vol/vol; 12 mL) for 1 hour. The solids are filtered and dried at 50° C. to provide 0.48 g of Form III.
Workup
- filtrationThe solids are filtered
- customdried at 50° C.
Sources & evidence
- ORD record
- ord-f7993ef9b878477eb6f434a8b096c463
- Source dataset
- uspto-grants-2014_01
- Patent number
- US08629144B2
Reaction notes
Loading…