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Bromoacetonitrile → 6-Chloro-N-(cyanomethyl)-N-{(3S)-1-[(1S)-1-methyl-2-morpholin-4-yl-2-oxoethyl]-2-oxopyrrolidin-3-yl}naphthalene-2-sulfonamide

HRID 7308
Notes
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Reaction equation

HRID 7308 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]2
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 11534BromoacetonitrileHCID 2733832Lithium hexamethyldisilazane2×HCID 68521686-Chloro-N-{(3S)-1-[(1S)-1-methyl-2-(4-morpholinyl)-2-oxo ethyl]-2-oxo-3-pyrrolidinyl}-2-naphthalenesulfonamide

Product 1

HCID 102789086-Chloro-N-(cyanomethyl)-N-{(3S)-1-[(1S)-1-methyl-2-morpholin-4-yl-2-oxoethyl]-2-oxopyrrolidin-3-yl}naphthalene-2-sulfonamideYield 27.7%

Reagents, catalysts & solvents

1
HCID 8028TetrahydrofuranSolvent

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 (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 ml) 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

  1. customto reach room temperature
  2. customAfter reaching room temperature
  3. stirringthe reaction mixture was stirred for a further 18 h
  4. customquenched by the addition of methanol (1 ml)
  5. concentrationThe resultant solution was concentrated under reduced pressure
  6. customthe residue purified by mass

Sources & evidence

ORD record
ord-6f90fee4c2b2423b968f48b74db08314
Source dataset
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07084139B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes