HCID 135705339, compound → HCID 135705338, compound
Reaction equation
[OH:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[N:8]=[C:7]1[N:12]=[C:13]([C:17]([O:19]CC)=[O:18])[NH:14][C:15](=[O:16])[C:6]1=[CH:5]2.[OH:22][C:23]1C=C2C(=CC=1)N=C1N=C(C(O)=O)NC(=O)C1=C2>>[OH:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][C:11]=1[O:22][CH3:23])[N:8]=[C:7]1[N:12]=[C:13]([C:17]([OH:19])=[O:18])[NH:14][C:15](=[O:16])[C:6]1=[CH:5]2Participants
3
Procedure
In like manner, ethyl 7-hydroxypyrimido[4,5-b]quinolin-4(3H)one-2-carboxylate hemitrifluoroacetate (210 mg.) is converted to 7-hydroxypyrimido [4,5-b]quinolin-4(3H)one-2-carboxylic acid. Yield -- 191 mg., 91%; m.p. 340° C. (dec.)
Sources & evidence
- ORD record
- ord-9a7661713c414dbf9144b9057ff40775
- Source dataset
- uspto-grants-1978_10
- Patent number
- US04120962
Reaction notes
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