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1-(Diphenylmethyl)azetidin-3-ol → 1-(Diphenylmethyl)-3-[(2-methylprop-2-en-1-yl)oxy]azetidine

HRID 82949
Notes
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Reaction equation

HRID 82949 reaction equation
[C:1]1([CH:7]([C:13]2[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=2)[N:8]2[CH2:11][CH:10]([OH:12])[CH2:9]2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[CH3:19][C:20]([O-])([CH3:22])[CH3:21].[K+].BrCC(C)=C>C1COCC1.O>[C:13]1([CH:7]([C:1]2[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=2)[N:8]2[CH2:11][CH:10]([O:12][CH2:21][C:20]([CH3:22])=[CH2:19])[CH2:9]2)[CH:14]=[CH:15][CH:16]=[CH:17][CH:18]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 3304481-(Diphenylmethyl)azetidin-3-olHCID 3577853-Bromo-2-methyl-1-propeneHCID 23665647Potassium tert-butoxide

Product 1

HCID 671545541-(Diphenylmethyl)-3-[(2-methylprop-2-en-1-yl)oxy]azetidineYield 94%

Reagents, catalysts & solvents 2

HCID 962WaterSolvent
HCID 8028
Tetrahydrofuran
Solvent

Procedure

A solution of 1-diphenylmethylazetidin-3-ol (239 mg, 1.0 mmol) in THF (3.6 mL) was cooled to 0° C. t-BuOK (1M in THF, 3.6 mL) was added dropwise and the reaction mixture was stirred at room temperature for 1 h then cooled to 0° C. 3-Bromo-2-methyl-1-propene (504 μL, 5.0 mmol) was added and the solution was stirred from 0° C. to room temperature overnight. The reaction mixture was diluted with H2O and extracted twice with EtOAc. The organic layers were combined, dried over Na2SO4 and concentrated to dryness to give the title compound (276 mg, 94%) as a yellow oil.

Workup

  1. additionwas added dropwise
  2. temperaturethen cooled to 0° C
  3. stirringthe solution was stirred from 0° C. to room temperature overnight
  4. extractionextracted twice with EtOAc
  5. dry with materialdried over Na2SO4
  6. concentrationconcentrated to dryness

Sources & evidence

ORD record
ord-3ba72071f8b840ff8fc44e79277d5a50
Source dataset
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08846711B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes