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Methanol → 3-[6-(5-Methyl-3-phenyl-isoxazol-4-ylmethoxy)-pyridin-3-yl]-oxetan-3-ol

HRID 83181
Notes
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Reaction equation

HRID 83181 reaction equation
Br[C:2]1[CH:3]=[CH:4][C:5]([O:8][CH2:9][C:10]2[C:11]([C:16]3[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=3)=[N:12][O:13][C:14]=2[CH3:15])=[N:6][CH:7]=1.C([Li])CCC.[O:27]1[CH2:30][C:29](=[O:31])[CH2:28]1.CO>C1COCC1>[CH3:15][C:14]1[O:13][N:12]=[C:11]([C:16]2[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=2)[C:10]=1[CH2:9][O:8][C:5]1[N:6]=[CH:7][C:2]([C:29]2([OH:31])[CH2:30][O:27][CH2:28]2)=[CH:3][CH:4]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 887MethanolHCID 150242543-OxetanoneHCID 684448075-Bromo-2-(5-methyl-3-phenyl-isoxazol-4-ylmethoxy)-pyridineHCID 178418339Butyllithium

Product 1

HCID 684438433-[6-(5-Methyl-3-phenyl-isoxazol-4-ylmethoxy)-pyridin-3-yl]-oxetan-3-olYield 66.2%

Reagents, catalysts & solvents 1

HCID 8028
Tetrahydrofuran
Solvent

Procedure

A solution of 5-bromo-2-(5-methyl-3-phenyl-isoxazol-4-ylmethoxy)-pyridine (100 mg, 0.29 mmol) THF (3 mL) was treated with n-butyl lithium (1.6 M in hexanes, 0.18 mL, 0.29 mmol) at −75° C. Then a solution of 3-oxetanone (22.0 mg, 0.29 mmol) in THF (1 mL) was added and the mixture was stirred for 10 min. Methanol was then added and the mixture was allowed to warm to room temperature. Purification by chromatography (SiO2, ethylacetate/heptane 2:8 to 1:1) afforded the title compound (65 mg, 66%) as a white solid. MS: m/e=339.1 [M+H]+.

Workup

  1. customPurification by chromatography (SiO2, ethylacetate/heptane 2:8 to 1:1)

Sources & evidence

ORD record
ord-cc41d92784be4152963a76b9b1e98e5b
Source dataset
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08846719B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes