Toluene → HCID 86620467, compound
Reaction equation
C([O:3][C:4](=[O:17])[C@H:5]([CH2:13][C:14]([OH:16])=O)[NH:6][C:7](=[O:12])[C:8]([F:11])([F:10])[F:9])C.O=S(Cl)[Cl:20].[C:22]1([CH3:28])C=CC=CC=1>>[CH2:22]([N:6]([C:7](=[O:12])[C:8]([F:9])([F:10])[F:11])[C@H:5]([C:4]([OH:3])=[O:17])[CH2:13][C:14]([Cl:20])=[O:16])[CH3:28]Participants
4
Procedure
To a solution of N-(trifluoroacetyl)-L-aspartic acid α-ethyl ester (3 g, 11.7 mmol) in dry toluene (15 mL) was added SOCl2 (3 mL). After stirring at reflux for 1 h, the solution was cooled to rt. The mixture was filtered and the solid was washed with cold toluene. The solid was dried to afford the title compound. 1H NMR (400 MHz, CDCl3): δ4.71-4.75 (m, 1H), 4.28-2.36 (m, 2H), 3.64-3.70 (m, 1H), 3.56-3.61 (m, 1H), 1.31 (t, J=6 Hz, 3H).
Workup
- temperatureat reflux for 1 h
- filtrationThe mixture was filtered
- washthe solid was washed with cold toluene
- customThe solid was dried
Sources & evidence
- ORD record
- ord-00b3fb144cd54dec916b47752b2d7788
- Source dataset
- uspto-grants-2011_11
- Patent number
- US08063224B2
Reaction notes
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