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Ammonium Chloride → HCID 22337020, compound

HRID 585505
Notes
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Reaction equation

HRID 585505 reaction equation
[Cl:1][C:2]1[S:6][C:5]([C:7]([NH:9][C:10]2[CH:18]=[CH:17][CH:16]=[C:15]3[C:11]=2[C:12](=[O:32])[N:13]([CH2:20][C:21]2[CH:26]=[CH:25][C:24]([CH2:27][C:28](SC)=[NH:29])=[CH:23][CH:22]=2)[C:14]3=[O:19])=[O:8])=[CH:4][CH:3]=1.C([O-])(=O)C.[NH4+:37].[Cl-].[NH4+]>CO.C(Cl)Cl>[NH2:29][C:28](=[NH:37])[CH2:27][C:24]1[CH:25]=[CH:26][C:21]([CH2:20][N:13]2[C:12](=[O:32])[C:11]3[C:15](=[CH:16][CH:17]=[CH:18][C:10]=3[NH:9][C:7]([C:5]3[S:6][C:2]([Cl:1])=[CH:3][CH:4]=3)=[O:8])[C:14]2=[O:19])=[CH:22][CH:23]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 25517Ammonium ChlorideHCID 517165Ammonium AcetateHCID 12019538HCID 12019538, compound

Product 1

HCID 22337020HCID 22337020, compound

Reagents, catalysts & solvents 2

HCID 887MethanolSolvent2×HCID 6344
Dichloromethane
Solvent

Procedure

320 mg (0.661 mmol) of methyl 2-{4-[(4-{[(5-chloro-2-thienyl)carbonyl]amino}-1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)methyl]phenyl}ethaneimidothioate are suspended in 40 ml of methanol, and 153 mg (1.98 mmol) of ammonium acetate and 106 mg (1.98 mmol) of ammonium chloride are added. The mixture is stirred at room temperature overnight, diluted with methanol and methylene chloride until a clear solution is formed and adsorbed on silica gel. Chromatography on silica gel (CH2Cl2/EtOH=10/1 to 3/1) gives the desired compound. The product is dissolved in methanol and methylene chloride, and trifluoroacetic acid is added. Removal of the solvent under reduced pressure gives 298 mg (80% of theory) of the desired product as trifluoroacetic acid salt.

Workup

  1. customis formed

Sources & evidence

ORD record
ord-71555523e4714f169eb0035832ef151c
Source dataset
uspto-grants-2005_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06933295B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes