Sodium Iodide → (S)-Acetic acid 3-[4-(2-tert-butyl-6-cyclobutyl-pyrimidin-4-yl)-piperazin-1-yl]-2-methyl-propyl ester

HRID 219709Notes

Reaction equation

[C:1]([C:5]1[N:10]=[C:9]([CH:11]2[CH2:14][CH2:13][CH2:12]2)[CH:8]=[C:7]([N:15]2[CH2:20][CH2:19][NH:18][CH2:17][CH2:16]2)[N:6]=1)([CH3:4])([CH3:3])[CH3:2].C(N(CC)CC)C.[I-].[Na+].[C:30]([O:33][CH2:34][C@@H:35]([CH3:38])[CH2:36]Br)(=[O:32])[CH3:31]>CN(C)C=O>[C:1]([C:5]1[N:6]=[C:7]([N:15]2[CH2:20][CH2:19][N:18]([CH2:36][C@H:35]([CH3:38])[CH2:34][O:33][C:30](=[O:32])[CH3:31])[CH2:17][CH2:16]2)[CH:8]=[C:9]([CH:11]2[CH2:12][CH2:13][CH2:14]2)[N:10]=1)([CH3:4])([CH3:2])[CH3:3]

Participants

Conditions

Temperature: 95 °C

Procedure

3.87 g of 2-tert-butyl-4-cyclobutyl-6-piperazin-1-yl-pyrimidine (14.1 mmol) were stirred in 30 ml of dimethylformamide at room temperature. 3.18 g of triethylamine (63.1 mmol), 0.235 g of sodium iodide (1.57 mmol), 2.96 g of (R)-(−)-1-acetoxy-3-bromo-2-methyl-propane (15.2 mmol) were added and the reaction mixture was stirred for 5 h at 95° C. The dimethylformamide was evaporated under reduced pressure. The residue was partitioned between 100 ml of dichloromethane and 100 ml of water. The organic layer was separated, dried over magnesium sulfate and evaporated under reduced pressure to give a brownish oil (5.64 g).

Workup

customThe dimethylformamide was evaporated under reduced pressure
customThe residue was partitioned between 100 ml of dichloromethane and 100 ml of water
customThe organic layer was separated
dry with materialdried over magnesium sulfate
customevaporated under reduced pressure

Sources & evidence

ORD record: ord-8ad93d4589f643a19d73bbb7382181e8
Source dataset: uspto-grants-2012_06
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08202868B2

Reaction notes

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