Methyl iodide → 4-Chloro-7-[3,5-bis-o-(2,4-dichlorophenylmethyl)-2-c,2-o-dimethyl-beta-d-ribofuranosyl]-7h-pyrrolo[2,3-d]pyrimidine

HRID 1245550Notes

Reaction equation

HRID 1245550 reaction equation
[Cl:1][C:2]1[C:3]2[CH:10]=[CH:9][N:8]([C@@H:11]3[O:26][C@H:25]([CH2:27][O:28][CH2:29][C:30]4[CH:35]=[CH:34][C:33]([Cl:36])=[CH:32][C:31]=4[Cl:37])[C@@H:14]([O:15][CH2:16][C:17]4[CH:22]=[CH:21][C:20]([Cl:23])=[CH:19][C:18]=4[Cl:24])[C@@:12]3([CH3:38])[OH:13])[C:4]=2[N:5]=[CH:6][N:7]=1.[CH3:39]I.[H-].[Na+].[Cl-].[NH4+]>C1COCC1.ClCCl>[Cl:1][C:2]1[C:3]2[CH:10]=[CH:9][N:8]([C@@H:11]3[O:26][C@H:25]([CH2:27][O:28][CH2:29][C:30]4[CH:35]=[CH:34][C:33]([Cl:36])=[CH:32][C:31]=4[Cl:37])[C@@H:14]([O:15][CH2:16][C:17]4[CH:22]=[CH:21][C:20]([Cl:23])=[CH:19][C:18]=4[Cl:24])[C@@:12]3([CH3:38])[O:13][CH3:39])[C:4]=2[N:5]=[CH:6][N:7]=1

Participants

7

Reactant 4

HCID 6328Methyl iodideHCID 24758Sodium hydrideHCID 25517Ammonium ChlorideHCID 114449314-Chloro-7-[3,5-bis-o-(2,4-dichlorobenzyl)-2-c-methyl-beta-d-ribofuranosyl]-7h-pyrrolo[2,3-d]pyrimidine

Product 1

HCID 235183384-Chloro-7-[3,5-bis-o-(2,4-dichlorophenylmethyl)-2-c,2-o-dimethyl-beta-d-ribofuranosyl]-7h-pyrrolo[2,3-d]pyrimidineYield 116.3%

Reagents, catalysts & solvents 2

HCID 6344DichloromethaneSolventHCID 8028TetrahydrofuranSolvent

Procedure

To a pre-cooled (0° C.) solution of the compound from Example 62, Step D (618 mg, 1.0 mmol) in THF (8 mL) was added methyl iodide (709 mg, 5.0 mmol) and NaH (60% in mineral oil) (44 mg, 1.1 mmol). The resulting mixture was stirred overnight at rt and then poured into a stirred mixture of saturated aqueous ammonium chloride (50 mL) and dichloromethane (50 mL). The organic layer was washed with water (50 m]L), dried (MgSO4) and evaporated in vacuo. The resulting crude product was purified on silica gel using ethyl acetate/hexane as the eluent. Fractions containing the product were pooled and evaporated in vacuo to give the desired product (735 mg) as a colorless foam.

Workup

  1. washThe organic layer was washed with water (50 m]L),
  2. dry with materialdried (MgSO4)
  3. customevaporated in vacuo
  4. customThe resulting crude product was purified on silica gel
  5. additionFractions containing the product
  6. customevaporated in vacuo

Sources & evidence

ORD record
ord-093417f270c4402ca304d715f9096374
Source dataset
uspto-grants-2006_10
Patent number
US07125855B2

Reaction notes

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