Phosphoric Acid → 2-{(8R)-3-[6-methoxy-5-(4-methyl-1H-imidazol-1-yl)pyridin-2-yl]-8-(3,4,5-trifluorophenoxy)-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridin-8-yl}propan-2-ol monophosphate

HRID 71203

Reaction equation

HRID 71203 reaction equation
[CH3:1][O:2][C:3]1[N:8]=[C:7]([C:9]2[N:13]3[CH2:14][CH2:15][CH2:16][C@@:17]([C:28]([OH:31])([CH3:30])[CH3:29])([O:18][C:19]4[CH:24]=[C:23]([F:25])[C:22]([F:26])=[C:21]([F:27])[CH:20]=4)[C:12]3=[N:11][N:10]=2)[CH:6]=[CH:5][C:4]=1[N:32]1[CH:36]=[C:35]([CH3:37])[N:34]=[CH:33]1.[P:38](=O)([OH:41])([OH:40])[OH:39]>CC(O)C>[P:38]([O:31][C:28]([C@@:17]1([O:18][C:19]2[CH:24]=[C:23]([F:25])[C:22]([F:26])=[C:21]([F:27])[CH:20]=2)[CH2:16][CH2:15][CH2:14][N:13]2[C:9]([C:7]3[CH:6]=[CH:5][C:4]([N:32]4[CH:36]=[C:35]([CH3:37])[N:34]=[CH:33]4)=[C:3]([O:2][CH3:1])[N:8]=3)=[N:10][N:11]=[C:12]12)([CH3:30])[CH3:29])([OH:41])([OH:40])=[O:39]

Participants

4

Reactant 2

HCID 1004Phosphoric AcidHCID 569296452-{(8R)-3-[6-methoxy-5-(4-methyl-1H-imidazol-1-yl)pyridin-2-yl]-8-(3,4,5-trifluorophenoxy)-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridin-8-yl}propan-2-ol

Product 1

HCID 666076052-{(8R)-3-[6-methoxy-5-(4-methyl-1H-imidazol-1-yl)pyridin-2-yl]-8-(3,4,5-trifluorophenoxy)-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridin-8-yl}propan-2-ol monophosphateYield 93.5%

Reagents, catalysts & solvents 1

HCID 3776IsopropanolSolvent2×

Procedure

To a mixture of 2-{(8R)-3-[6-methoxy-5-(4-methyl-1H-imidazol-1-yl)pyridin-2-yl]-8-(3,4,5-trifluorophenoxy)-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridin-8-yl}propan-2-ol (1.0 g) in 2-propanol (4 mL) was added a mixture of phosphoric acid (0.27 g) in 2-propanol (2 mL) at 50° C., and the mixture was stirred for 30 min. To the reaction mixture was added IPE (6 mL) at 50° C., and the mixture was stirred for 30 min. To the reaction mixture was added IPE (2 mL) at room temperature, and the mixture was stirred for 30 min. The crystals were collected by filtration, washed with IPE (2 mL) and dried to give the title compound (1.08 g).

Workup

  1. additionwas added
  2. additionTo the reaction mixture was added IPE (6 mL) at 50° C.
  3. stirringthe mixture was stirred for 30 min
  4. additionTo the reaction mixture was added IPE (2 mL) at room temperature
  5. stirringthe mixture was stirred for 30 min
  6. filtrationThe crystals were collected by filtration
  7. washwashed with IPE (2 mL)
  8. customdried

Sources & evidence

ORD record
ord-e1b5a7c81ac04998b3369f59527149a6
Source dataset
uspto-grants-2014_09
Patent number
US08822699B2

Linked notes

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