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Dichloromethane → 3-[4-(7-[2-(trimethylsilyl) ethoxy]methyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-pentane-1,5-diyl dimethanesulfonate

HRID 1426575
Notes
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Reaction equation

HRID 1426575 reaction equation
[CH3:1][Si:2]([CH3:29])([CH3:28])[CH2:3][CH2:4][O:5][CH2:6][N:7]1[C:11]2[N:12]=[CH:13][N:14]=[C:15]([C:16]3[CH:17]=[N:18][N:19]([CH:21]([CH2:25][CH2:26][OH:27])[CH2:22][CH2:23][OH:24])[CH:20]=3)[C:10]=2[CH:9]=[CH:8]1.C(Cl)Cl.[CH3:33][S:34](Cl)(=[O:36])=[O:35]>O>[CH3:33][S:34]([O:27][CH2:26][CH2:25][CH:21]([N:19]1[CH:20]=[C:16]([C:15]2[C:10]3[CH:9]=[CH:8][N:7]([CH2:6][O:5][CH2:4][CH2:3][Si:2]([CH3:1])([CH3:28])[CH3:29])[C:11]=3[N:12]=[CH:13][N:14]=2)[CH:17]=[N:18]1)[CH2:22][CH2:23][O:24][S:34]([CH3:33])(=[O:36])=[O:35])(=[O:36])=[O:35]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 6344DichloromethaneHCID 31297Methanesulfonyl chlorideHCID 574778783-[4-(7-[2-(trimethylsilyl)ethoxy]methyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]pentane-1,5-diol

Product 1

HCID 866130083-[4-(7-[2-(trimethylsilyl) ethoxy]methyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-pentane-1,5-diyl dimethanesulfonateYield 99.3%

Reagents, catalysts & solvents 1

HCID 962
Water
Solvent

Conditions

Temperature
0 °C

Procedure

A mixture of 3-[4-(7-[2-(trimethylsilyl)ethoxy]methyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]pentane-1,5-diol (50 mg, 0.0001 mol) in DCM (2 mL, 0.03 mol) was cooled at 0° C. To this mixture, TEA (50 μL, 0.0004 mol) was added. The reaction was stirred for 15 minutes. Methanesulfonyl chloride (23 μL, 0.00030 mol) was added and the resulting mixture was stirred for 1 hour. Water was added and the product was extracted with ethyl acetate. The combined extracts were washed with saturated sodium chloride, dried over magnesium sulfate, filtered and concentrated to give 3-[4-(7-[2-(trimethylsilyl)ethoxy]methyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]pentane-1,5-diyl dimethanesulfonate (57 mg, 80%) as an oil. MS (ES): 574 (M+1).

Workup

  1. stirringthe resulting mixture was stirred for 1 hour
  2. extractionthe product was extracted with ethyl acetate
  3. washThe combined extracts were washed with saturated sodium chloride
  4. dry with materialdried over magnesium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated

Sources & evidence

ORD record
ord-d7ced94451184a48befbc6b309bebdb1
Source dataset
uspto-grants-2015_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08933086B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes