1H-Pyrrole-2-carboxylic acid, 3,5-dimethyl-, ethyl ester → HCID 20373148, compound
Reaction equation
[CH3:1][C:2]1[NH:3][C:4]([C:8]([O:10][CH2:11][CH3:12])=[O:9])=[C:5]([CH3:7])[CH:6]=1>CC(=O)CC>[CH3:1][C:2]1[NH:3][C:4]([C:8]([O:10][CH2:11][CH3:12])=[O:9])=[C:5]([CH3:7])[C:6]=1[CH:2]([CH2:6][CH3:5])[CH3:1]Participants
3
Reactant 1
Product 1
Reagents, catalysts & solvents 1
Procedure
The crude product, obtained as in Example 74 but using 2,4-dimethyl-5-carbethoxypyrrole with 2-butanone and stirring at 30°-35° C, was sublimed then thrice recrystallized from ethanol as colorless plates (130 mg), m.p. 102°-104° C.
Workup
- customthrice recrystallized from ethanol as colorless plates (130 mg), m.p. 102°-104° C.
Sources & evidence
- ORD record
- ord-cb05d921108e415988506d2f207a76cb
- Source dataset
- uspto-grants-1978_01
- Patent number
- US04070366
Reaction notes
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