Ethyl isocyanoacetate → HCID 14460553, compound

Reaction equation

[CH2:1]([N:3]1[C:8]2[N:9]=[CH:10][CH:11]=[CH:12][C:7]=2[NH:6][C:5](=O)[C:4]1=[O:14])[CH3:2].[N+:15]([CH2:17][C:18]([O:20][CH2:21][CH3:22])=[O:19])#[C-:16]>>[CH2:1]([N:3]1[C:8]2[N:9]=[CH:10][CH:11]=[CH:12][C:7]=2[N:6]2[CH:16]=[N:15][C:17]([C:18]([O:20][CH2:21][CH3:22])=[O:19])=[C:5]2[C:4]1=[O:14])[CH3:2]

Participants

Reactant 2

HCID 533707Ethyl isocyanoacetate

HCID 144605504-Ethyl-1,4-dihydropyrido[2,3-b]pyrazine-2,3-dione

Product 1

HCID 14460553HCID 14460553, compound

Procedure

Ethyl 5-ethyl-4,5-dihydro-4-oxo-imidazo(1,5-a)pyrido(2,3-e)pyrazine-3-carboxylate was prepared from 4-ethyl-1,2,3,4-tetrahydro-2,3-dioxo-pyrido(2,3-e)pyrazine and ethyl isocyanoacetate. M.p. 215.5°-216.8° C.

Sources & evidence

ORD record: ord-72906d0592994d5382167fe4600993de
Source dataset: uspto-grants-1990_02
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04902686

Reaction notes

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