Reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[CH:8]=[C:7]([S:12]([NH:15][C@H:16]1[CH2:20][CH2:19][N:18]([C@@H:21]([CH3:30])[C:22]([N:24]3[CH2:29][CH2:28][O:27][CH2:26][CH2:25]3)=[O:23])[C:17]1=[O:31])(=[O:14])=[O:13])[CH:6]=[CH:5]2.C[Si]([N-][Si](C)(C)C)(C)C.[Li+].Br[CH2:43][C:44]#[N:45]>C1COCC1>[Cl:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[CH:8]=[C:7]([S:12]([N:15]([CH2:43][C:44]#[N:45])[C@H:16]1[CH2:20][CH2:19][N:18]([C@@H:21]([CH3:30])[C:22]([N:24]3[CH2:29][CH2:28][O:27][CH2:26][CH2:25]3)=[O:23])[C:17]1=[O:31])(=[O:14])=[O:13])[CH:6]=[CH:5]2Participants
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Conditions
- Temperature
- -78 °C
Procedure
A solution of 6-chloro-N-{(3S)-1-[(1S)-1-methyl-2-morpholin-4-yl-2-oxoethyl]-2-oxopyrrolidin-3-yl}naphthalene-2-sulfonamide [Example 1] (0.01 g) in THF (2 ml) was cooled to −78° C. under nitrogen, and treated with lithium bis(trimethylsilyl)amide (1.0M solution in THF; 0.026 ml), followed by bromoacetonitrile (0.013 g). The resultant solution was allowed to reach room temperature and stirred for a further 16 h. The mixture was then cooled to −78° C. and further lithium bis(trimethylsilyl)amide (0.026 l) added. After reaching room temperature, the reaction mixture was stirred for a further 18 h and then quenched by the addition of methanol (1 ml). The resultant solution was concentrated under reduced pressure and the residue purified by mass directed preparative h.p.l.c. to give the title compound (0.003 g) as a white solid.
Workup
- customto reach room temperature
- customAfter reaching room temperature
- stirringthe reaction mixture was stirred for a further 18 h
- customquenched by the addition of methanol (1 ml)
- concentrationThe resultant solution was concentrated under reduced pressure
- customthe residue purified by mass
Sources & evidence
- ORD record
- ord-f3a209b099bc467d9c572f30604c9932
- Source dataset
- uspto-grants-2007_03
- Patent number
- US07186717B2
Linked notes
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