Potassium Carbonate → HCID 131710393, compound

HRID 918097Notes

Reaction equation

HRID 918097 reaction equation
[C:1]([O-:4])([O-])=O.[K+].[K+].[C:7]1([C:13]#[C:14][C:15]([O:17][CH2:18][CH3:19])=[O:16])[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=1.[Cl:20][C:21]1[CH:27]=[CH:26]C=[C:23]([OH:24])[C:22]=1O>CC(C)=O>[CH2:18]([O:17][C:15](=[O:16])[CH2:14][C:13]1([C:7]2[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=2)[O:4][C:1]2[CH:26]=[CH:27][C:21]([Cl:20])=[CH:22][C:23]=2[O:24]1)[CH3:19]

Participants

5

Reactant 3

HCID 11430Potassium CarbonateHCID 199283-ChlorocatecholHCID 915162-Propynoic acid, 3-phenyl-, ethyl ester

Product 1

HCID 131710393HCID 131710393, compound

Reagents, catalysts & solvents 1

HCID 180AcetoneSolvent

Procedure

78.5 g of anhydrous K2CO3 are added, in parts, to a solution of 40.5 g of ethyl phenylpropiolate and 43.5 g of chloropyrocatechol in 200 cc of anhydrous acetone. The mixture is heated for 15 h. It is subsequently filtered and the solvent eliminated at low pressure. The residue is treated as indicated in Example 2. The product has b.p. 150°-155°C/0.3 mm.

Workup

  1. temperatureThe mixture is heated for 15 h
  2. filtrationIt is subsequently filtered
  3. additionThe residue is treated

Sources & evidence

ORD record
ord-12f1ea97ba2346e89359c9d1709d974a
Source dataset
uspto-grants-1976_07
Patent number
US03969368

Reaction notes

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