Potassium Carbonate → (1-{4-Difluoromethoxymethyl-2-[5-(4'-{2-[1-(2-methoxycarbonylamino-3-methyl-butyryl)-pyrrolidin-2-yl]-3H-imidazol-4-yl}-biphenyl-4-yl)-1H-imidazol-2-yl]pyrrolidine-1-carbonyl}-2-methyl-propyl)-carbamic acid methyl ester

HRID 71990Notes

Reaction equation

HRID 71990 reaction equation
[CH3:1][O:2][C:3](=[O:33])[NH:4][CH:5]([C:9]([N:11]1[CH2:15][CH:14]([CH2:16][O:17][CH:18]([F:20])[F:19])[CH2:13][CH:12]1[C:21]1[NH:22][C:23]([C:26]2[CH:31]=[CH:30][C:29](Br)=[CH:28][CH:27]=2)=[CH:24][N:25]=1)=[O:10])[CH:6]([CH3:8])[CH3:7].[CH3:34][O:35][C:36](=[O:69])[NH:37][CH:38]([C:42]([N:44]1[CH2:48][CH2:47][CH2:46][CH:45]1[C:49]1[NH:50][C:51]([C:54]2[CH:59]=[CH:58][C:57](B3OC(C)(C)C(C)(C)O3)=[CH:56][CH:55]=2)=[CH:52][N:53]=1)=[O:43])[CH:39]([CH3:41])[CH3:40].C([O-])([O-])=O.[K+].[K+]>COCCOC.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[CH3:1][O:2][C:3](=[O:33])[NH:4][CH:5]([C:9]([N:11]1[CH2:15][CH:14]([CH2:16][O:17][CH:18]([F:20])[F:19])[CH2:13][CH:12]1[C:21]1[NH:22][C:23]([C:26]2[CH:31]=[CH:30][C:29]([C:57]3[CH:58]=[CH:59][C:54]([C:51]4[NH:50][C:49]([CH:45]5[CH2:46][CH2:47][CH2:48][N:44]5[C:42](=[O:43])[CH:38]([NH:37][C:36]([O:35][CH3:34])=[O:69])[CH:39]([CH3:41])[CH3:40])=[N:53][CH:52]=4)=[CH:55][CH:56]=3)=[CH:28][CH:27]=2)=[CH:24][N:25]=1)=[O:10])[CH:6]([CH3:8])[CH3:7]

Participants

6

Reactant 3

HCID 11430Potassium CarbonateHCID 66619939[2-Methyl-1-(2-{4-[4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-1H-imidazol-2-yl]-pyrrolidine-1-carbonyl)-propyl]-carbamic acid methyl esterHCID 66620824(1-{2-[5-(4-Bromo-phenyl)-1H-imidazol-2-yl]-4-difluoromethoxymethyl-pyrrolidine-1-carbonyl}-2-methyl-propyl)-carbamic acid methyl ester

Product 1

HCID 66620796(1-{4-Difluoromethoxymethyl-2-[5-(4'-{2-[1-(2-methoxycarbonylamino-3-methyl-butyryl)-pyrrolidin-2-yl]-3H-imidazol-4-yl}-biphenyl-4-yl)-1H-imidazol-2-yl]pyrrolidine-1-carbonyl}-2-methyl-propyl)-carbamic acid methyl esterYield 30%

Reagents, catalysts & solvents 2

HCID 178418397HCID 178418397, compoundCatalystHCID 80711,2-DimethoxyethaneSolvent

Conditions

Temperature
85 °C

Procedure

(1-{2-[5-(4-Bromo-phenyl)-1H-imidazol-2-yl]-4-difluoromethoxymethyl-pyrrolidine-1-carbonyl}-2-methyl-propyl)-carbamic acid methyl ester (42 mg, 0.174 mmol), [2-Methyl-1-(2-{5-[4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-1H-imidazol-2-yl}-pyrrolidine-1-carbonyl)-propyl]-carbamic acid methyl ester (95 mg, 0.191 mmol), Pd(PPh3)4 (20 mg, 0.0174 mmol) and K2CO3 (2M in H2O, 0.191 mL, 0.383 mmol) were combined in 1,2-dimethoxyethane (2 mL). The mixture was degassed with bubbling N2 for 12 min then heated to 85° C. for 4 h. After cooling to RT, the reaction mixture was diluted with EtOAc then washed with water and brine. The organic layer was dried over MgSO4, filtered and concentrated. The crude residue was purified by HPLC to provide the title compound (42 mg, 30%). MS (ESI) m/z 819 [M+H]+.

Workup

  1. customThe mixture was degassed with bubbling N2 for 12 min
  2. temperatureAfter cooling to RT
  3. additionthe reaction mixture was diluted with EtOAc
  4. washthen washed with water and brine
  5. dry with materialThe organic layer was dried over MgSO4
  6. filtrationfiltered
  7. concentrationconcentrated
  8. customThe crude residue was purified by HPLC

Sources & evidence

ORD record
ord-6aa4b88f0a45444bb11b78d285e6e160
Source dataset
uspto-grants-2014_09
Patent number
US08822430B2

Reaction notes

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