Diisopropylethylamine → N-((1S)-2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-1-{[2-(trifluoromethyl)phenyl]methyl}ethyl)-4-(1-methyl-1H-pyrazol-5-yl)-2-furancarboxamide

HRID 2392075Notes

Reaction equation

HRID 2392075 reaction equation
[CH3:1][N:2]1[C:6]([C:7]2[CH:8]=[C:9]([C:12]([OH:14])=O)[O:10][CH:11]=2)=[CH:5][CH:4]=[N:3]1.[NH2:15][C@@H:16]([CH2:29][C:30]1[CH:35]=[CH:34][CH:33]=[CH:32][C:31]=1[C:36]([F:39])([F:38])[F:37])[CH2:17][N:18]1[C:26](=[O:27])[C:25]2[C:20](=[CH:21][CH:22]=[CH:23][CH:24]=2)[C:19]1=[O:28].C(N(CC)C(C)C)(C)C.F[P-](F)(F)(F)(F)F.Br[P+](N1CCCC1)(N1CCCC1)N1CCCC1>C(Cl)Cl>[O:27]=[C:26]1[C:25]2[C:20](=[CH:21][CH:22]=[CH:23][CH:24]=2)[C:19](=[O:28])[N:18]1[CH2:17][C@@H:16]([NH:15][C:12]([C:9]1[O:10][CH:11]=[C:7]([C:6]2[N:2]([CH3:1])[N:3]=[CH:4][CH:5]=2)[CH:8]=1)=[O:14])[CH2:29][C:30]1[CH:35]=[CH:34][CH:33]=[CH:32][C:31]=1[C:36]([F:38])([F:37])[F:39]

Participants

6

Reactant 4

HCID 81531DiisopropylethylamineHCID 2733179PyBroPHCID 578267434-(1-methyl-1H-pyrazol-5-yl)-2-furancarboxylic acidHCID 578268082-{(2S)-2-amino-3-[2-(trifluoromethyl)phenyl]propyl}-1H-isoindole-1,3(2H)-dione

Product 1

HCID 57826558N-((1S)-2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-1-{[2-(trifluoromethyl)phenyl]methyl}ethyl)-4-(1-methyl-1H-pyrazol-5-yl)-2-furancarboxamideYield 50%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Conditions

Temperature
25 °C

Procedure

To a solution of 4-(1-methyl-1H-pyrazol-5-yl)-2-furancarboxylic acid (54 mg, 0.28 mmol), 2-{(2S)-2-amino-3-[2-(trifluoromethyl)phenyl]propyl}-1H-isoindole-1,3(2H)-dione (108 mg, 0.28 mmol)[prepared in Preparation 6] and N,N-diisopropylethylamine (0.24 ml, 1.40 mmol) in DCM at 25° C. was added bromo-tris-pyrrolidino-phosphonium hexafluorophosphate (158 mg, 0.34 mmol) in one portion. The solution stirred at 25° C. for 1 h and was then partitioned between H2O-DCM. The aqueous phase was washed several times with DCM and the combined organic fractions were dried over Na2SO4, concentrated and purified via column chromatography (silica, 50% EtOAc in hexanes) yielding N-((1S)-2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-1-{[2-(trifluoromethyl)phenyl]methyl}ethyl)-4-(1-methyl-1H-pyrazol-5-yl)-2-furancarboxamide (100 mg, 0.14 mmol, 50% yield) as a white solid: LCMS (ES) m/e 523 (M+H)+.

Workup

  1. customwas then partitioned between H2O-DCM
  2. washThe aqueous phase was washed several times with DCM
  3. dry with materialthe combined organic fractions were dried over Na2SO4
  4. concentrationconcentrated
  5. custompurified via column chromatography (silica, 50% EtOAc in hexanes)

Sources & evidence

ORD record
ord-4a0bcbac94344a7a847f35b9831900df
Source dataset
uspto-grants-2012_09
Patent number
US08273782B2

Reaction notes

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