Hydrochloric Acid → HCID 57829289, compound

HRID 2356697Notes

Reaction equation

HRID 2356697 reaction equation
[F:1][C:2]1[CH:7]=[CH:6][C:5]([NH:8][C:9](=[O:18])[NH:10][C:11]([CH3:17])([CH3:16])[C:12](OC)=[O:13])=[CH:4][C:3]=1[C:19]1[S:20][CH:21]=[CH:22][CH:23]=1.Cl>O1CCCC1.C(OCC)(=O)C>[F:1][C:2]1[CH:7]=[CH:6][C:5]([N:8]2[C:12](=[O:13])[C:11]([CH3:17])([CH3:16])[NH:10][C:9]2=[O:18])=[CH:4][C:3]=1[C:19]1[S:20][CH:21]=[CH:22][CH:23]=1

Participants

5

Conditions

Temperature
80 °C

Procedure

0.62 g of compound 267.3 was dissolved at room temperature in 5 ml of dry tetrahydrofuran, admixed with 0.62 ml of concentrated hydrochloric acid and stirred at 80° C. for 2 h. The cooled reaction mixture was taken up in ethyl acetate and washed with saturated sodium hydrogencarbonate solution, and the organic phase was dried over magnesium sulfate, filtered and concentrated under reduced pressure. The residue was stirred with diisopropyl ether, filtered and dried. 3-(4-Fluoro-3-thiophen-2-yl-phenyl)-5,5-dimethylimidazolidine-2,4-dione (267.2) was obtained. Molecular weight 304.06 (C15H13FN2O2S); retention time Rt=2.25 min. [E]; MS (ESI): 346.09 (MH++CH3CN).

Workup

  1. customThe cooled reaction mixture
  2. washwashed with saturated sodium hydrogencarbonate solution
  3. dry with materialthe organic phase was dried over magnesium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated under reduced pressure
  6. stirringThe residue was stirred with diisopropyl ether
  7. filtrationfiltered
  8. customdried

Sources & evidence

ORD record
ord-0a21e7d0d3a141f18ea0d6e16d947040
Source dataset
uspto-grants-2010_07
Patent number
US07759366B2

Reaction notes

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