Cyclopropylamine → 3-[5-Bromo-3-[[1-methyl-1-[2-(phenylmethoxy)phenyl]ethyl]amino]-2-oxo-1(2H)-pyrazinyl]-N-cyclopropyl-5-fluoro-4-methyl-benzamide

HRID 1697346Notes

Reaction equation

HRID 1697346 reaction equation
[Br:1][C:2]1[N:3]=[C:4]([NH:21][C:22]([CH3:38])([C:24]2[CH:29]=[CH:28][CH:27]=[CH:26][C:25]=2[O:30][CH2:31][C:32]2[CH:37]=[CH:36][CH:35]=[CH:34][CH:33]=2)[CH3:23])[C:5](=[O:20])[N:6]([C:8]2[CH:9]=[C:10]([CH:15]=[C:16]([F:19])[C:17]=2[CH3:18])[C:11](OC)=[O:12])[CH:7]=1.[CH:39]1([NH2:42])[CH2:41][CH2:40]1.C([Mg]Cl)(C)C>C1COCC1.[Cl-].[NH4+]>[Br:1][C:2]1[N:3]=[C:4]([NH:21][C:22]([CH3:38])([C:24]2[CH:29]=[CH:28][CH:27]=[CH:26][C:25]=2[O:30][CH2:31][C:32]2[CH:37]=[CH:36][CH:35]=[CH:34][CH:33]=2)[CH3:23])[C:5](=[O:20])[N:6]([C:8]2[CH:9]=[C:10]([CH:15]=[C:16]([F:19])[C:17]=2[CH3:18])[C:11]([NH:42][CH:39]2[CH2:41][CH2:40]2)=[O:12])[CH:7]=1

Participants

6

Conditions

Temperature
25 °C

Procedure

A solution of 3-[5-bromo-3-[[1-methyl-1-[2-(phenylmethoxy)phenyl]ethyl]amino]-2-oxo-1(2H)-pyrazinyl]-5-fluoro-4-methyl-benzoic acid, methyl ester (Example 252h, 10.50 g) dissolved in THF (100 mL) was treated with cyclopropylamine (7.61 mL). Isopropylmagnesium chloride (45.2 mL of a 2.0M solution in THF) was added dropwise over 10 min under nitrogen. The resulting solution was stirred at 25° C. for 1 h. The reaction mixture was diluted with saturated ammonium chloride solution (300 mL) and extracted with ethyl acetate (×3). The organic was dried (MgSO4), filtered and evaporated. The crude product was triturated with diethyl ether and filtered to afford the subtitle compound (9.86 g).

Workup

  1. extractionextracted with ethyl acetate (×3)
  2. dry with materialThe organic was dried (MgSO4)
  3. filtrationfiltered
  4. customevaporated
  5. customThe crude product was triturated with diethyl ether
  6. filtrationfiltered

Sources & evidence

ORD record
ord-abaea2b1bae4413483d2b4026b2b5b99
Source dataset
uspto-grants-2012_04
Patent number
US08163905B2

Reaction notes

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