Methyl 3-formyl-4,5-dimethyl-1H-pyrrole-2-carboxylate → HCID 54017827, compound
Reaction equation
[CH:1]([C:3]1[C:7]([CH3:8])=[C:6]([CH3:9])[NH:5][C:4]=1[C:10]([O:12][CH3:13])=[O:11])=[O:2].CS(O[CH2:19][CH:20]=[CH:21][CH3:22])(=O)=O>>[CH2:19]([N:5]1[C:6]([CH3:9])=[C:7]([CH3:8])[C:3]([CH:1]=[O:2])=[C:4]1[C:10]([O:12][CH3:13])=[O:11])[CH:20]=[CH:21][CH3:22]Participants
3
Procedure
The title compound (cis/trans=93/7) was prepared as a pale brown oil in 33.4% yeild in a similar procedure to that described in Referential Example 9 by using methyl 3-formyl-4,5-dimethylpyrrole-2-carboxylate and 2-butenyl methanesulfonate (cis/trans=96/4).
Sources & evidence
- ORD record
- ord-2c7ae938e89249498520f56f73a1a2fb
- Source dataset
- uspto-grants-2000_05
- Patent number
- US06063782
Reaction notes
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