3-Methyl-1,2,3,4-tetrahydroquinazoline-2,4-dione → HCID 21287695, compound
Reaction equation
[CH3:1][N:2]1[C:11](=[O:12])[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[NH:4][C:3]1=O.[N+:14]([CH2:16][C:17]([O:19][CH2:20][CH3:21])=[O:18])#[C-:15]>>[CH3:1][N:2]1[C:11](=[O:12])[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[N:4]2[CH:15]=[N:14][C:16]([C:17]([O:19][CH2:20][CH3:21])=[O:18])=[C:3]12Participants
3
Procedure
M.p. 211.4°-211.8° C. by reaction between 3-methyl-1,2,3,4-tetrahydro-2,4-dioxo-quinazoline and ethyl isocyanoacetate.
Sources & evidence
- ORD record
- ord-d3965a321e1c4896b10f4ee833d1f3b9
- Source dataset
- uspto-grants-1988_10
- Patent number
- US04780539
Reaction notes
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