HCID 22224885, compound → HCID 69592846, compound
Reaction equation
[C:1]([C:3]1[S:7][C:6]([C:8]([O:10]CC)=O)=[CH:5][CH:4]=1)#[N:2].[C:13]([O:16][C:17]([CH3:20])([CH3:19])[CH3:18])(=[O:15])[CH3:14].[Li]>>[C:17]([O:16][C:13](=[O:15])[CH2:14][C:8]([C:6]1[S:7][C:3]([C:1]#[N:2])=[CH:4][CH:5]=1)=[O:10])([CH3:20])([CH3:19])[CH3:18]Participants
3
Procedure
Prepared from ethyl 5-cyano-2-thiophenecarboxylate [CAS-No. 67808-35-9] by treatment with lithium tert.-butyl acetate according to general procedure H (method b). Obtained as a yellow solid (6.66 g).
Sources & evidence
- ORD record
- ord-4ff6be4310494d65bf01f6286981959d
- Source dataset
- uspto-grants-2005_11
- Patent number
- US06960578B2
Reaction notes
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