Ethyl isocyanoacetate → HCID 19980318, compound

HRID 1461260Notes

Reaction equation

HRID 1461260 reaction equation
ClC1C=CC=CC=1C[N:5]1[C:14]2[C:9](=CC=CC=2)[N:8]2[CH:15]=N[C:17]([C:18](OCC)=O)=[C:7]2[C:6]1=[O:23].Cl[C:29]1[CH:47]=[CH:46][CH:45]=[CH:44][C:30]=1[CH2:31][N:32]1[C:41]2[C:36](=[CH:37][CH:38]=[CH:39][CH:40]=2)[NH:35][C:34](=O)[C:33]1=[O:43].[N+:48](CC(OCC)=O)#[C-]>>[CH2:31]([N:32]1[C:41]2[C:36](=[CH:37][CH:38]=[CH:39][CH:40]=2)[N:35]2[CH:15]=[N:8][C:9]([C:14]3[N:5]=[C:6]([CH:7]4[CH2:17][CH2:18]4)[O:23][N:48]=3)=[C:34]2[C:33]1=[O:43])[C:30]1[CH:44]=[CH:45][CH:46]=[CH:47][CH:29]=1

Participants

4

Reactant 3

HCID 533707Ethyl isocyanoacetate2×HCID 19980322HCID 19980322, compoundHCID 19980341HCID 19980341, compound

Product 1

HCID 19980318HCID 19980318, compound

Procedure

Ethyl 5-(2-chlorobenzyl)-4,5-dihydro-4-oxo-imidazo[1,5-a]-quinoxaline-3-carboxylate, m.p. 203°-209° C. by reaction between 4-(2-chlorobenzyl)-1,2,3,4-tetrahydro-2,3-dioxo-quinoxaline and ethyl isocyanoacetate (Compound 16)

Sources & evidence

ORD record
ord-15c0574ee3844da6892086db6e2de841
Source dataset
uspto-grants-1991_12
Patent number
US05075304

Reaction notes

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