Water → (4-Fluoro-3-phenoxyphenyl)methanol

HRID 1588880Notes

Reaction equation

HRID 1588880 reaction equation
[H-].[Al+3].[Li+].[H-].[H-].[H-].[F:7][C:8]1[CH:15]=[CH:14][C:11]([CH:12]=[O:13])=[CH:10][C:9]=1[O:16][C:17]1[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=1.O.[OH-].[Na+]>C(OCC)C>[F:7][C:8]1[CH:15]=[CH:14][C:11]([CH2:12][OH:13])=[CH:10][C:9]=1[O:16][C:17]1[CH:18]=[CH:19][CH:20]=[CH:21][CH:22]=1

Participants

6

Conditions

Temperature
15 °C

Procedure

A suspension of 1.4 grams (0.038 mole) of lithium aluminum hydride in 50 ml of anhydrous diethyl ether was stirred, and a solution of 21.6 grams (0.1 mole) of commercially available 4-fluoro-3-phenoxybenzaldehyde in 50 ml of anhydrous diethyl ether was added dropwise during a one hour period. Upon completion of addition, the reaction mixture was heated at reflux for 1.0 hour. The reaction mixture was cooled to 15° C., and 1.4 ml of water was cautiously added dropwise. Upon completion of addition, the reaction mixture was again cooled to 15° C., and 1.4 ml of an aqueous, 15% sodium hydroxide solution was added dropwise. This was followed by the addition of 4.2 ml of water. The mixture was filtered through diatomaceous earth, and the filtrate was concentrated under reduced pressure, yielding 19.5 grams of 4-fluoro-3-phenoxyphenylmethanol as an oil.

Workup

  1. additionUpon completion of addition
  2. temperaturethe reaction mixture was heated
  3. temperatureat reflux for 1.0 hour
  4. additionUpon completion of addition
  5. temperaturethe reaction mixture was again cooled to 15° C.
  6. filtrationThe mixture was filtered through diatomaceous earth
  7. concentrationthe filtrate was concentrated under reduced pressure

Sources & evidence

ORD record
ord-6ee012f5ee024e768c5ff83573eea833
Source dataset
uspto-grants-1993_06
Patent number
US05223536

Reaction notes

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