Diethyl (ethoxymethylene)malonate → Diethyl 2-((6-propylpyridin-2-ylamino)methylene)malonate
Reaction equation
[CH2:1]([C:4]1[N:9]=[C:8]([NH2:10])[CH:7]=[CH:6][CH:5]=1)[CH2:2][CH3:3].[CH2:11]([O:13][C:14](=[O:25])[C:15](=[CH:21]OCC)[C:16]([O:18][CH2:19][CH3:20])=[O:17])[CH3:12]>>[CH2:11]([O:13][C:14](=[O:25])[C:15](=[CH:21][NH:10][C:8]1[CH:7]=[CH:6][CH:5]=[C:4]([CH2:1][CH2:2][CH3:3])[N:9]=1)[C:16]([O:18][CH2:19][CH3:20])=[O:17])[CH3:12]Participants
3
Procedure
The product from Example 2c (223 mg, 1.52 mmol) was reacted with 2-ethoxymethylene-malonic acid diethyl ester 0.350 mL, 1.75 mmol) following the procedure in Example 1a to give the title compound after silica gel column chromatography eluting with EtOAc/hexane (386 mg, 80%).
Sources & evidence
- ORD record
- ord-0ffdf6d82f994c4b8a41cc6eaaa3b16e
- Source dataset
- uspto-grants-2010_07
- Patent number
- US07763731B2
Reaction notes
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