N-Methylcyclohexylamine → Methyl 2-(2-(cyclohexyl(methyl)amino)-4-methyl-6-p-tolylpyrimidin-5-yl)pentanoate

HRID 1399582Notes

Reaction equation

Cl[C:2]1[N:7]=[C:6]([CH3:8])[C:5]([CH:9]([CH2:14][CH2:15][CH3:16])[C:10]([O:12][CH3:13])=[O:11])=[C:4]([C:17]2[CH:22]=[CH:21][C:20]([CH3:23])=[CH:19][CH:18]=2)[N:3]=1.[CH3:24][NH:25][CH:26]1[CH2:31][CH2:30][CH2:29][CH2:28][CH2:27]1>C1COCC1.C(=O)([O-])O.[Na+]>[CH:26]1([N:25]([CH3:24])[C:2]2[N:7]=[C:6]([CH3:8])[C:5]([CH:9]([CH2:14][CH2:15][CH3:16])[C:10]([O:12][CH3:13])=[O:11])=[C:4]([C:17]3[CH:22]=[CH:21][C:20]([CH3:23])=[CH:19][CH:18]=3)[N:3]=2)[CH2:31][CH2:30][CH2:29][CH2:28][CH2:27]1

Participants

Conditions

Temperature: 100 °C

Procedure

A mixture of methyl 2-(2-chloro-4-methyl-6-p-tolylpyrimidin-5-yl)pentanoate (100 mg; 0.30 mmol) and N-methylcyclohexanamine (0.158 mL; 1.202 mmol) in THF (1 mL) was placed in a sealed tube and heated at 100° C. for 18 h. The reaction mixture was diluted with a saturated sodium hydrogen carbonate solution and extracted twice with ethyl acetate. The organic layers were combined, washed with brine, dried over magnesium sulphate and concentrated under reduced pressure. The crude material was purified by flash chromatography on silica gel using a linear gradient of ethylacetate (2-20%) in heptane to give 61 mg (49%) of the title compound.

Workup

customwas placed in a sealed tube
extractionextracted twice with ethyl acetate
washwashed with brine
dry with materialdried over magnesium sulphate
concentrationconcentrated under reduced pressure
customThe crude material was purified by flash chromatography on silica gel using a linear gradient of ethylacetate (2-20%) in heptane

Sources & evidence

ORD record: ord-8cc3e8cd481c49a7a733acc7782bd9a5
Source dataset: uspto-grants-2014_12
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08906906B2

Reaction notes

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