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Trifluoroacetic acid → {5-Hydroxy-4-[(phenylmethyl)oxy]-2-pyridinyl}methyl acetate trifluoroacetate salt

HRID 15158
Notes
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Reaction equation

HRID 15158 reaction equation
[C:1]([O:4][CH2:5][C:6]1[CH:11]=[C:10]([O:12][CH2:13][C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=2)[C:9]([O:20]CC2C=CC(OC)=CC=2)=[CH:8][N:7]=1)(=[O:3])[CH3:2].C([SiH](CC)CC)C.[F:37][C:38]([F:43])([F:42])[C:39]([OH:41])=[O:40]>ClCCl>[F:37][C:38]([F:43])([F:42])[C:39]([OH:41])=[O:40].[C:1]([O:4][CH2:5][C:6]1[CH:11]=[C:10]([O:12][CH2:13][C:14]2[CH:15]=[CH:16][CH:17]=[CH:18][CH:19]=2)[C:9]([OH:20])=[CH:8][N:7]=1)(=[O:3])[CH3:2]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 6422Trifluoroacetic acidHCID 12052TriethylsilaneHCID 67526761{5-({[4-(Methyloxy)phenyl]methyl}oxy)-4-[(phenylmethyl)oxy]-2-pyridinyl}methyl acetate

Product 1

HCID 67527752{5-Hydroxy-4-[(phenylmethyl)oxy]-2-pyridinyl}methyl acetate trifluoroacetate salt

Reagents, catalysts & solvents 1

HCID 6344Dichloromethane
Solvent

Procedure

A solution of {5-({[4-(methyloxy)phenyl]methyl}oxy)-4-[(phenylmethyl)oxy]-2-pyridinyl}methyl acetate (26.3 g, 67 mmol) in dichloromethane (700 ml) was treated with triethylsilane (10 ml, 62.6 mmol)and trifluoroacetic acid (35 ml). After 16 hours the mixture was evaporated and triturated with toluene/ethyl acetate (250 ml/5 ml) affording a white solid that was isolated by filtration and dried in vacuo (22.5 g).

Workup

  1. customAfter 16 hours the mixture was evaporated
  2. customtriturated with toluene/ethyl acetate (250 ml/5 ml)
  3. customaffording a white solid
  4. customthat was isolated by filtration
  5. customdried in vacuo (22.5 g)

Sources & evidence

ORD record
ord-a234ecc4331c408fa60743a9d1043272
Source dataset
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07732460B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes