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Chemical Structure| 3122-74-5 Chemical Structure| 3122-74-5

Structure of 3122-74-5

Chemical Structure| 3122-74-5

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Product Details of [ 3122-74-5 ]

CAS No. :3122-74-5
Formula : C7H10N2O2
M.W : 154.17
SMILES Code : O=C1N=C(COC)NC(C)=C1

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Application In Synthesis of [ 3122-74-5 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 3122-74-5 ]

[ 3122-74-5 ] Synthesis Path-Downstream   1~3

  • 1
  • [ 141-97-9 ]
  • [ 1903-91-9 ]
  • [ 3122-74-5 ]
YieldReaction ConditionsOperation in experiment
Step 1: 2-(Methoxymethyl)-6-methylpyrimidin-4(3H)-one A mixture of sodium (1.84 g, 80.0 mmol) in ethanol (80 mL) was stirred until sodium disappeared under an inert atmosphere of nitrogen. Into the resulting mixture was added ethyl 3-oxobutanoate (5.20 g, 40.0 mmol) and 2-methoxyethanimidamide hydrochloride (5.00 g, 40.1 mmol). The resulting solution was stirred for 18 h at 80 C. and was then concentrated in vacuo. The residue was diluted with water and the pH was adjusted to 5 with concentrated hydrochloric acid (37%, 12 M) and extracted with ethyl acetate.
  • 3
  • [ 1903-91-9 ]
  • [ 105-45-3 ]
  • [ 3122-74-5 ]
YieldReaction ConditionsOperation in experiment
7.38 g With sodium ethanolate; In ethanol; at 20℃; for 72h;Reflux; To a suspension of sodium ethoxide (11.3 g) in ethanol (25.0 ml), methyl 3-oxobutanoate (7.41 ml) and the compound (8.58 g) obtained in step 1 of Reference Example 1 were added at room temperature, and the mixture was heated to reflux for 3 days. After cooling, the reaction solution was concentrated under reduced pressure, and the residue obtained was dissolved in water. The pH of the aqueous solution was adjusted to 5.5 by the addition of 6 M hydrochloric acid, followed by extraction with dichloromethane and ethyl acetate. The extract was washed with saturated saline and then dried over anhydrous sodium sulfate. The solvent was distilled off under reduced pressure, and the residue obtained was purified by silica gel column chromatography (chloroform/methanol) to obtain the title compound (7.38 g). 1H-NMR (CDCl3) delta: 2.28 (3H, s), 3.51 (3H, s), 4.38 (2H, s), 6.17 (1H, s). MS (m/z) : 155 (M+H)+.
 

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