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Hexachloroethane → 5-chloro-1-isobutyl-6-(4-methoxybenzyl)-3,7-dimethyl-1H-pyrrolo[3,4-d]pyrimidine-2,4(3H,6H)-dione

HRID 2205661
Notes
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Reaction equation

HRID 2205661 reaction equation
[CH2:1]([N:5]1[C:10]2=[C:11]([CH3:23])[N:12]([CH2:14][C:15]3[CH:20]=[CH:19][C:18]([O:21][CH3:22])=[CH:17][CH:16]=3)[CH:13]=[C:9]2[C:8](=[O:24])[N:7]([CH3:25])[C:6]1=[O:26])[CH:2]([CH3:4])[CH3:3].[Cl:27]C(Cl)(Cl)C(Cl)(Cl)Cl.[Li+].C[Si]([N-][Si](C)(C)C)(C)C>C1COCC1>[Cl:27][C:13]1[N:12]([CH2:14][C:15]2[CH:20]=[CH:19][C:18]([O:21][CH3:22])=[CH:17][CH:16]=2)[C:11]([CH3:23])=[C:10]2[C:9]=1[C:8](=[O:24])[N:7]([CH3:25])[C:6](=[O:26])[N:5]2[CH2:1][CH:2]([CH3:4])[CH3:3]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 6214HexachloroethaneHCID 2733832Lithium hexamethyldisilazaneHCID 674155471-isobutyl-6-(4-methoxybenzyl)-3,7-dimethyl-1H-pyrrolo[3,4-d]pyrimidine-2,4(3H,6H)-dione

Product 1

HCID 686249505-chloro-1-isobutyl-6-(4-methoxybenzyl)-3,7-dimethyl-1H-pyrrolo[3,4-d]pyrimidine-2,4(3H,6H)-dioneYield 64%

Reagents, catalysts & solvents 1

HCID 8028
Tetrahydrofuran
Solvent
2×

Procedure

1-isobutyl-6-(4-methoxybenzyl)-3,7-dimethyl-1H-pyrrolo[3,4-d]pyrimidine-2,4(3H,6H)-dione (103 mg, 0.29 mmol) and hexachloroethane (400 mg, 1.7 mmol) are dissolved in anhydrous THF, and then 1.0M LiHMDS in THF (1.4 mL, 1.4 mmol) is added dropwise. The reaction mixture is stirred at room temperature for an hour, and then quenched with saturated ammonium chloride aqueous solution. The mixture is purified by silica-gel column chromatography to give pure product as off-white solids (yield: 64%). MS (ESI) m/z 390.2 [M+H]+.

Workup

  1. customquenched with saturated ammonium chloride aqueous solution
  2. customThe mixture is purified by silica-gel column chromatography

Sources & evidence

ORD record
ord-79530afe5e314d56bd83b83d0b405a40
Source dataset
uspto-grants-2016_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09371327B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes