Diisopropylethylamine → (1R,6S)[8-(4,6-Dimethyl-pyrimidin-2-yl)-3,8-diaza-bicyclo[4.2.0]oct-3-yl]-(2-thiophen-2-yl-phenyl)-methanone

HRID 1193129Notes

Reaction equation

HRID 1193129 reaction equation
[CH3:1][C:2]1[CH:7]=[C:6]([CH3:8])[N:5]=[C:4]([N:9]2[C@@H:16]3[C@@H:11]([CH2:12][CH2:13][NH:14][CH2:15]3)[CH2:10]2)[N:3]=1.[S:17]1[CH:21]=[CH:20][CH:19]=[C:18]1[C:22]1[CH:30]=[CH:29][CH:28]=[CH:27][C:23]=1[C:24](O)=[O:25].CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.C(N(C(C)C)CC)(C)C>CN(C=O)C>[CH3:8][C:6]1[CH:7]=[C:2]([CH3:1])[N:3]=[C:4]([N:9]2[C@@H:16]3[C@@H:11]([CH2:12][CH2:13][N:14]([C:24]([C:23]4[CH:27]=[CH:28][CH:29]=[CH:30][C:22]=4[C:18]4[S:17][CH:21]=[CH:20][CH:19]=4)=[O:25])[CH2:15]3)[CH2:10]2)[N:5]=1

Participants

6

Reactant 4

HCID 81531DiisopropylethylamineHCID 51056232-(Thiophen-2-yl)benzoic acidHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 68156939(1R,6S)-8-(4,6-Dimethyl-pyrimidin-2-yl)-3,8-diaza-bicyclo[4.2.0]octane2×

Product 1

HCID 52920282(1R,6S)[8-(4,6-Dimethyl-pyrimidin-2-yl)-3,8-diaza-bicyclo[4.2.0]oct-3-yl]-(2-thiophen-2-yl-phenyl)-methanoneYield 59.8%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

A mixture of (1R,6S)8-(4,6-dimethyl-pyrimidin-2-yl)-3,8-diaza-bicyclo[4.2.0]octane (Intermediate 4, 28 mg, 0.13 mmol), 2-thiophen-2-yl-benzoic acid (29 mg, 0.14 mmol), HATU (73.2 mg, 0.19 mmol), diisopropylethylamine (50 mg, 0.38 mmol) was stirred in DMF (4 mL) at room temperature for 2 h. Then the reaction mixture was partitioned between water and ethyl acetate mixture. The organic phase was separated and washed with 1N aq. NaOH (10 mL) and then with water (2×15 mL). The organic phase was dried (Na2SO4), filtered and concentrated under reduced pressure. The crude product was purified on HPLC (basic system) to yield the title compound (31.0 mg, 59.8%). MS (ESI) mass calcd. for C23H24N4OS, 404.53; m/z found, 405.2 [M+H]+. 1H NMR (400 MHz, CDCl3): 7.60-6.75 (m, 7H), 6.43-6.10 (m, 1H), 4.10-1.78 (m, 16H).

Workup

  1. customThen the reaction mixture was partitioned between water and ethyl acetate mixture
  2. customThe organic phase was separated
  3. washwashed with 1N aq. NaOH (10 mL)
  4. dry with materialThe organic phase was dried (Na2SO4)
  5. filtrationfiltered
  6. concentrationconcentrated under reduced pressure
  7. customThe crude product was purified on HPLC (basic system)

Sources & evidence

ORD record
ord-14da5031a2a94bfa89f44a85049aa6a5
Source dataset
uspto-grants-2014_03
Patent number
US08680275B2

Reaction notes

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