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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 970915Generated: October 30, 2026

4-Methylmorpholine → Ethyl 4,6-dimethylpyrimidine-5-carboxylate

https://huagongshe.com/reaction/970915

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-MethylmorpholineHCID 7972—
Reactant1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 15908—
Reactant1-HydroxybenzotriazoleHCID 75771—
ReactantHCID 9887073HCID 9887073—
Reactant4,6-Dimethylpyrimidine-5-carboxylic acidHCID 14922222—
SolventDimethylformamideHCID 6228—
ProductEthyl 4,6-dimethylpyrimidine-5-carboxylateHCID 20619427—

Reaction Steps

Using General Procedure F: A solution of 4,6-dimethyl-pyrimidine-5-carboxylic acid from above (prepared as described in patent application PCT/US00/11632) (42 mg, 0.28 mmol), (3-aminomethyl-benzyl)-(1H-benzoimidazol-2-ylmethyl)-(5,6,7,8-tetrahydro-quinolin-8-yl)-amine (100 mg, 0.25 mmol), HOBT (38 mg, 0.28 mmol) and 4-methylmorpholine (40 μL, 0.38 mmol) in DMF (0.8 mL) was flushed with N2. EDCI (54 mg, 0.28 mmol) was added and the mixture was stirred at room temperature overnight. Purification of the colorless syrup (150 mg) by column chromatography on silica gel (CH2Cl2/MeOH/NH4OH, 100:2:1) followed by radial chromatography on silica gel (1 mm plate, CH2Cl2/MeOH/NH4OH, 100:2:1) afforded AMD11084 (80 mg, 60%) as a white foam. 1H NMR (CDCl3) δ 1.64-1.77 (m, 1H), 1.91-2.08 (m, 2H), 2.18-2.34 (m, 1H), 2.37 (s, 6H), 2.69-2.91 (m, 2H), 3.73 (s, 2H), 3.80 (d, 1H, J=16.5 Hz), 4.00 (d, 1H, J=16.5 Hz), 4.07-4.13 (m, 1H), 4.69 (d, 2H, J=5.7 Hz), 6.53 (t, 1H, J=5.7 Hz), 6.96-7.10 (m, 3H), 7.16-7.22 (m, 2H), 7.29-7.31 (m, 2H), 7.40-7.45 (m, 3H), 8.64 (d, 1H, J=3.6 Hz), 8.81 (s, 1H); 13C NMR (CDCl3) δ 21.71, 22.28, 24.38, 29.55, 44.29, 49.22, 55.11, 61.90, 111.12, 118.82, 121.68, 122.78, 127.32, 128.67, 129.09, 129.24, 130.48, 135.22, 137.66, 137.83, 140.30, 147.22, 156.42, 157.60,157.91, 163.43, 166.96. ES-MS m/z 532.4 (M+H). Anal. Calcd. for C32H33N7O.0.4CH2Cl2: C, 68.80; H, 6.02; N, 17.33. Found: C, 68.56; H, 6.09; N, 17.34.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07312234B2
Source datasetuspto-grants-2007_12
ORD IDord-af3bc4362b8e45efb4f1e1142a0e50c8
Source noteuspto-grants-2007_12