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Sodium Carbonate → 4-[[3'-(Hydroxymethyl)-4-biphenylyl](3,3,5,5-tetramethylcyclohexylidene)methyl]phenol

HRID 229304
Notes
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Reaction equation

HRID 229304 reaction equation
Br[C:2]1[CH:7]=[CH:6][C:5]([C:8](=[C:16]2[CH2:21][C:20]([CH3:23])([CH3:22])[CH2:19][C:18]([CH3:25])([CH3:24])[CH2:17]2)[C:9]2[CH:14]=[CH:13][C:12]([OH:15])=[CH:11][CH:10]=2)=[CH:4][CH:3]=1.[OH:26][CH2:27][C:28]1[CH:29]=[C:30](B(O)O)[CH:31]=[CH:32][CH:33]=1.C([O-])([O-])=O.[Na+].[Na+]>C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.COCCOC>[OH:26][CH2:27][C:28]1[CH:33]=[C:32]([C:2]2[CH:7]=[CH:6][C:5]([C:8](=[C:16]3[CH2:21][C:20]([CH3:23])([CH3:22])[CH2:19][C:18]([CH3:24])([CH3:25])[CH2:17]3)[C:9]3[CH:14]=[CH:13][C:12]([OH:15])=[CH:11][CH:10]=3)=[CH:4][CH:3]=2)[CH:31]=[CH:30][CH:29]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 10340Sodium CarbonateHCID 2734662[3-(Hydroxymethyl)phenyl]boronic acidHCID 686543984-[(4-Bromophenyl)(3,3,5,5-tetramethylcyclohexylidene)methyl]phenol

Product 1

HCID 577572224-[[3'-(Hydroxymethyl)-4-biphenylyl](3,3,5,5-tetramethylcyclohexylidene)methyl]phenolYield 66%

Reagents, catalysts & solvents 2

HCID 178418397
HCID 178418397, compound
Catalyst
HCID 80711,2-DimethoxyethaneSolvent

Conditions

Temperature
160 °C

Procedure

A sealed tube containing 4-[(4-bromophenyl)(3,3,5,5-tetramethylcyclohexylidene)methyl]phenol (14) (0.20 g, 0.50 mmol), 3-(hydroxymethyl)phenyl boronic acid (0.16 g, 1.0 mmol), Pd(PPh3)4 (58 mg, 0.05 mmol), 2 M Na2CO3 (4 mL) and DME (4 mL) was heated at 160° C. for 25 minutes. Cooled to room temperature, the mixture was extracted with EtOAc. The EtOAc extracts were combined and washed with water, brine, dried over Na2SO4, filtered, and the filtrate was concentrated to give the crude product as dark brown oil. The crude product was purified by chromatography on a silica gel column eluted with a gradient from hexanes to 30% EtOAc in hexanes to give 0.14 g (66%) of the title compound (247) as pale yellow solid. mp 197-198° C. 1H NMR (400 MHz, DMSO-d6): δ 0.89 (s, 12H), 1.25 (s, 2H), 1.93 (s, 4H), 4.52 (d, J=5.9 Hz, 2H), 5.20 (t, J=5.9 Hz, 1H), 6.66 (d, J=8.4 Hz, 2H), 6.95 (d, J=8.4 Hz, 2H), 7.19 (d, J=8.0 Hz, 2H), 7.26 (d, J=7.5 Hz, 1H), 7.37 (t, J=7.6 Hz, 1H), 7.48 (d, J=7.7 Hz, 1H), 7.52-7.58 (m, 3H), 9.27 (s, 1H). LCMS (ESI): m/z 427 (M+H)+, 425 (M−H)−.

Workup

  1. temperatureCooled to room temperature
  2. extractionthe mixture was extracted with EtOAc
  3. washwashed with water, brine
  4. dry with materialdried over Na2SO4
  5. filtrationfiltered
  6. concentrationthe filtrate was concentrated
  7. customto give the crude product as dark brown oil
  8. customThe crude product was purified by chromatography on a silica gel column
  9. washeluted with a gradient from hexanes to 30% EtOAc in hexanes

Sources & evidence

ORD record
ord-25e6a47aec1f4046b90fade9a9c2d035
Source dataset
uspto-grants-2009_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07560589B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes