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Trimethylsilyl iodide → 5-(3-aminomethyl-cyclohexyl)-3-methyl-5H-2-oxa-1,5,7-triaza-cyclopenta[a]naphthalen-4-one hydroiodide

HRID 1823274
Notes
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Reaction equation

HRID 1823274 reaction equation
C(OC(=O)[NH:10][CH2:11][CH:12]1[CH2:17][CH2:16][CH2:15][CH:14]([N:18]2[C:27]3[C:22](=[CH:23][CH:24]=[N:25][CH:26]=3)[C:21]3=[N:28][O:29][C:30]([CH3:31])=[C:20]3[C:19]2=[O:32])[CH2:13]1)C1C=CC=CC=1.[I:34][Si](C)(C)C>ClCCl>[IH:34].[NH2:10][CH2:11][CH:12]1[CH2:17][CH2:16][CH2:15][CH:14]([N:18]2[C:27]3[C:22](=[CH:23][CH:24]=[N:25][CH:26]=3)[C:21]3=[N:28][O:29][C:30]([CH3:31])=[C:20]3[C:19]2=[O:32])[CH2:13]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 85247Trimethylsilyl iodideHCID 69652694[3-(3-Methyl-4-oxo-5H-2-oxa-1,5,7-triaza-cyclopenta[a]naphthalen-5-yl)-cyclohexylmethyl]-carbamic acid benzyl ester

Product 1

HCID 221701625-(3-aminomethyl-cyclohexyl)-3-methyl-5H-2-oxa-1,5,7-triaza-cyclopenta[a]naphthalen-4-one hydroiodide

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

Dissolve [3-(3-methyl-4-oxo-5H-2-oxa-1,5,7-triaza-cyclopenta[a]naphthalen-5-yl)-cyclohexylmethyl]-carbamic acid benzyl ester (0.42 g, 0.00093 mol) in dry dichloromethane. Add iodotrimethylsilane (0.33 mL, 0.0023 mol) and stir overnight at ambient temperature. Quench the mixture with methanol (5 mL) and concentrate in vacuo. Take up the resulting residue in minimal dichloromethane and add diethyl ether. Concentrate and titrate from dichloromethane/diethyl ether to form a dark solid. Decant the solvent and the dry in vacuo to give a near quantitative amount of the crude amine salt as a dark solid and used directly without purification. MS(ES): (M+1)+ 313.2, 314.2 m/z.

Workup

  1. customQuench the mixture with methanol (5 mL)
  2. concentrationconcentrate in vacuo
  3. additionadd diethyl ether
  4. concentrationConcentrate
  5. customtitrate from dichloromethane/diethyl ether to form a dark solid
  6. customDecant the solvent
  7. customthe dry in vacuo

Sources & evidence

ORD record
ord-f20604d3c2bf40009a375e5d7817c0ab
Source dataset
uspto-grants-2006_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07037921B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes