Thionyl Chloride → 5-(chloromethyl)-1,6-diethyl-N-(tetrahydro-2H-pyran-4-yl)-1H-pyrazolo[3,4-b]pyridin-4-amine

HRID 657368Notes

Reaction equation

HRID 657368 reaction equation
S(Cl)([Cl:3])=O.[CH2:5]([N:7]1[C:11]2=[N:12][C:13]([CH2:25][CH3:26])=[C:14]([CH2:23]O)[C:15]([NH:16][CH:17]3[CH2:22][CH2:21][O:20][CH2:19][CH2:18]3)=[C:10]2[CH:9]=[N:8]1)[CH3:6]>>[Cl:3][CH2:23][C:14]1[C:13]([CH2:25][CH3:26])=[N:12][C:11]2[N:7]([CH2:5][CH3:6])[N:8]=[CH:9][C:10]=2[C:15]=1[NH:16][CH:17]1[CH2:22][CH2:21][O:20][CH2:19][CH2:18]1

Participants

3

Reactant 2

HCID 24386Thionyl ChlorideHCID 59683222[1,6-Diethyl-4-(tetrahydro-2H-pyran-4-ylamino)-1H-pyrazolo[3,4-b]pyridin-5-yl]methanol

Product 1

HCID 596832285-(chloromethyl)-1,6-diethyl-N-(tetrahydro-2H-pyran-4-yl)-1H-pyrazolo[3,4-b]pyridin-4-amineYield 60%

Procedure

To the solution of thionyl chloride (1.46 mL, 20.0 mmol) was added [1,6-diethyl-4-(tetrahydro-2H-pyran-4-ylamino)-1H-pyrazolo[3,4-b]pyridin-5-yl]methanol (0.609 g, 2.0 mmol) slowly. The mixture was stirred at room temperature for about 30 mins before it was concentrated on rotavap under vacuum. DCM (5 ml) was added to the residue and concentrated on rotavap twice to afford 0.386 g (60%) of the title compound.

Workup

  1. concentrationwas concentrated on rotavap under vacuum
  2. additionDCM (5 ml) was added to the residue
  3. concentrationconcentrated on rotavap twice

Sources & evidence

ORD record
ord-2f23017bc21148f88d8ab2c97c211363
Source dataset
uspto-grants-2011_12
Patent number
US08071588B2

Reaction notes

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