HCID 891083, compound → HCID 135705323, compound
Reaction equation
C([O:3][C:4]([C:6]1[NH:7][C:8](=[O:25])[C:9]2[C:10]([N:24]=1)=[N:11][C:12]1[C:17]([CH:18]=2)=[CH:16][C:15]([O:19][CH3:20])=[C:14]([O:21][CH2:22]C)[CH:13]=1)=[O:5])C.COC1C=C(C([N+]([O-])=O)=CC=1OCC)C=O>>[CH3:20][O:19][C:15]1[CH:16]=[C:17]2[C:12](=[CH:13][C:14]=1[O:21][CH3:22])[N:11]=[C:10]1[N:24]=[C:6]([C:4]([OH:5])=[O:3])[NH:7][C:8](=[O:25])[C:9]1=[CH:18]2Participants
3
Procedure
Ethyl-7-methoxy-8-ethoxypyrimido[4,5-b]quinoline-4(3H)-one-2-carboxylate is similarly prepared according to procedures A-C, beginning with 3-methoxy-4-ethoxy-6-nitrobenzaldehyde. It melts at 264°-265° C. (dec.)
Sources & evidence
- ORD record
- ord-fd7ec4d9990241dca7ddf1e055724192
- Source dataset
- uspto-grants-1979_01
- Patent number
- US04134981