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

HRID 1897078
Notes
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Reaction equation

HRID 1897078 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-bd742736b8df428b8f7351717ab39a95
Source dataset
uspto-grants-2013_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08518974B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes