Potassium Phosphate, Tribasic → 6-chloro-5-(4-methyl-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazol-5-yl)-N-(4-(trifluoromethoxy)phenyl)nicotinamide

HRID 73737Notes

Reaction equation

HRID 73737 reaction equation
[O-]P([O-])([O-])=O.[K+].[K+].[K+].[Cl:9][C:10]1[C:29](I)=[CH:28][C:13]([C:14]([NH:16][C:17]2[CH:22]=[CH:21][C:20]([O:23][C:24]([F:27])([F:26])[F:25])=[CH:19][CH:18]=2)=[O:15])=[CH:12][N:11]=1.[CH3:31][C:32]1[CH:33]=[N:34][N:35]([CH:46]2[CH2:51][CH2:50][CH2:49][CH2:48][O:47]2)[C:36]=1B1OC(C)(C)C(C)(C)O1>O1CCOCC1.CCOC(C)=O.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2]>[Cl:9][C:10]1[C:29]([C:36]2[N:35]([CH:46]3[CH2:51][CH2:50][CH2:49][CH2:48][O:47]3)[N:34]=[CH:33][C:32]=2[CH3:31])=[CH:28][C:13]([C:14]([NH:16][C:17]2[CH:22]=[CH:21][C:20]([O:23][C:24]([F:27])([F:26])[F:25])=[CH:19][CH:18]=2)=[O:15])=[CH:12][N:11]=1

Participants

7

Reactant 3

HCID 62657Potassium Phosphate, TribasicHCID 547724154-methyl-1-(oxan-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazoleHCID 867025996-chloro-5-iodo-N-(4-(trifluoromethoxy)phenyl)nicotinamide

Product 1

HCID 867025986-chloro-5-(4-methyl-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazol-5-yl)-N-(4-(trifluoromethoxy)phenyl)nicotinamide

Reagents, catalysts & solvents 3

HCID 178418228Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)CatalystHCID 8857Ethyl AcetateSolventHCID 312751,4-DioxaneSolvent

Conditions

Temperature
110 °C

Procedure

K3PO4 (127 mg, 0.6 mmol) was added to a solution of 6-chloro-5-iodo-N-(4-(trifluoromethoxy)phenyl)nicotinamide (Stage 4.2, 89 mg, 0.2 mmol) and 4-methyl-1-(tetrahydro-2H-pyran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (58.4 mg, 0.2 mmol) in dioxane (1 mL) in a vial which was flushed with argon, heated to 110° C. and then PdCl2(dppf) (7.32 mg, 0.01 mmol) was added. The vial was sealed and the RM was stirred under argon at 110° C. for 18 h. The RM was cooled to RT, dissolved in EtOAc and washed with brine. The organic phase was dried over Na2SO4 and the solvent was evaporated off under reduced pressure. and the residue was purified by flash chromatography (RediSep® Silica gel column, n-heptane/EtOAc form 50% to 100% EtOAc) to afford the title compound as a white foam. HPLC (Condition 4) tR=6.24 min, UPLC-MS (Condition 3) tR=1.22 min, m/z=481.2 [M+H]+.

Workup

  1. customwas flushed with argon
  2. customThe vial was sealed
  3. temperatureThe RM was cooled to RT
  4. washwashed with brine
  5. dry with materialThe organic phase was dried over Na2SO4
  6. customthe solvent was evaporated off under reduced pressure
  7. customand the residue was purified by flash chromatography (RediSep® Silica gel column, n-heptane/EtOAc form 50% to 100% EtOAc)

Sources & evidence

ORD record
ord-471cd0d48265468c936cdb26f2987c9e
Source dataset
uspto-grants-2014_09
Patent number
US08829195B2

Reaction notes

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