3-(Dimethylamino)-1-(furan-3-yl)prop-2-en-1-one → 7-(3-Furyl)pyrazolo[1,5-a]pyrimidine-3-carbonitrile

HRID 1278208Notes

Reaction equation

HRID 1278208 reaction equation
C[N:2]([CH3:12])[CH:3]=[CH:4][C:5]([C:7]1[CH:11]=[CH:10][O:9][CH:8]=1)=O.N[C:14]1[C:18]([C:19]#[N:20])=C[NH:16][N:15]=1>C(O)(=O)C>[O:9]1[CH:10]=[CH:11][C:7]([C:5]2[N:16]3[N:15]=[CH:14][C:18]([C:19]#[N:20])=[C:12]3[N:2]=[CH:3][CH:4]=2)=[CH:8]1

Participants

4

Reactant 2

HCID 14746553-(Dimethylamino)-1-(furan-3-yl)prop-2-en-1-oneHCID 178510443HCID 178510443, compound

Product 1

HCID 211630637-(3-Furyl)pyrazolo[1,5-a]pyrimidine-3-carbonitrile

Reagents, catalysts & solvents 1

HCID 176Acetic AcidSolvent

Procedure

A mixture of 0.01 mole of 3-dimethylamino-1-(3-furyl)-2-propen-1-one and 0.01 mole of 3-aminopyrazole-4-carbonitrile in glacial acetic acid is heated at reflux temperature for 6 hours. The solvent is removed in vacuo and the residue purified as described for Example 1 to give the product of the example.

Workup

  1. temperatureis heated
  2. temperatureat reflux temperature for 6 hours
  3. customThe solvent is removed in vacuo
  4. customthe residue purified
  5. customto give the product of the example

Sources & evidence

ORD record
ord-f8bc50f77b32450e9ba4684ee8bf0fde
Source dataset
uspto-grants-1981_07
Patent number
US04281000

Reaction notes

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