Sodium hydride → HCID 53241284, compound
Reaction equation
[Cl:1][C:2]1[S:6][C:5]([S:7](Cl)(=[O:9])=[O:8])=[CH:4][CH:3]=1.[H-].[Na+].[CH3:13][C:14]([CH3:27])([CH3:26])[C:15]([O:17][NH:18][C:19]([O:21][C:22]([CH3:25])([CH3:24])[CH3:23])=[O:20])=[O:16]>>[CH3:13][C:14]([CH3:27])([CH3:26])[C:15]([O:17][N:18]([C:19]([O:21][C:22]([CH3:25])([CH3:24])[CH3:23])=[O:20])[S:7]([C:5]1[S:6][C:2]([Cl:1])=[CH:3][CH:4]=1)(=[O:9])=[O:8])=[O:16]Participants
4
Procedure
N-[(tert-Butoxy)carbonyl]-5-chlorothiophene-2-sulfonamido 2,2-dimethylpropanoate (74) is synthesised from 5-chlorothiophene sulfonyl chloride, sodium hydride and [(tert-butoxy)carbonyl]amino 2,2-dimethylpropanoate according to Scheme 2. (1.89 g, 100%), 1H NMR (500 MHz, CHLOROFORM-d) δ ppm 7.65 (1H, d, 4.1 Hz), 6.99 (1H, d, 4.1 Hz), 1.48 (9H, s), 1.35 (9H, s).
Sources & evidence
- ORD record
- ord-1d965dda61634bf995b03dcf87f44711
- Source dataset
- uspto-grants-2015_04
- Patent number
- US09018411B2
Reaction notes
Loading…