Sodium Hydroxide → HCID 23695520, compound

HRID 2107128Notes

Reaction equation

HRID 2107128 reaction equation
C[O:2][C:3]([C:5]1([CH:8]([F:21])[CH2:9][CH2:10][CH2:11][CH2:12][O:13][C:14]2[CH:19]=[CH:18][C:17]([Cl:20])=[CH:16][CH:15]=2)[CH2:7][O:6]1)=[O:4].[OH-].[Na+:23]>C(O)C.O>[Na+:23].[Cl:20][C:17]1[CH:16]=[CH:15][C:14]([O:13][CH2:12][CH2:11][CH2:10][CH2:9][CH:8]([C:5]2([C:3]([O-:4])=[O:2])[CH2:7][O:6]2)[F:21])=[CH:19][CH:18]=1

Participants

5

Procedure

A solution of 2-[5-(4-chlorophenoxy)-1-fluoropentyl]-2-oxiranecarboxylic acid methyl ester (2.53 g, 8 mmol) of Example 2 in 25 ml of absolute ethanol is treated with a solution of 320 mg (8 mmol) of sodium hydroxide in 12 ml of water. The mixture is maintained with stirring at room temperature for 2 hours and then is rotoevaporated. The obtained solid is triturated three times with ethyl ether, the solvent is removed by rotoevaporation and the solid is dried at high vacuum over phosphorus pentoxide to give 2.25 g (86.6%) of the title compound: m.p. 159°-175° C.; IR (KBr) 1630, 1608, 1490 and 1242 cm-1 ; NMR (d6 -DMSO) δ 1.54 (2H, m), 1.73 (4H, m), 2.65 (1H, m), 2.73 (1H, d, J=6 Hz), 3.98 (2H, t, J=6 Hz), 5.22 (1H, ddd, JHF =48, 10, 3 Hz), 7.00 (2H, d, J=9 Hz) and 7.36 (2H, d, J=9 Hz).

Workup

  1. temperatureThe mixture is maintained
  2. customThe obtained solid is triturated three times with ethyl ether
  3. customthe solvent is removed by rotoevaporation
  4. dry with materialthe solid is dried at high vacuum over phosphorus pentoxide

Sources & evidence

ORD record
ord-c222686438ea401aa3494f934743f923
Source dataset
uspto-grants-1990_06
Patent number
US04933365

Reaction notes

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