Triethylamine → 5-(Azetidin-1-yl)-3-(4-methyl-3-nitrophenyl)-1,2,4-oxadiazole

HRID 570341Notes

Reaction equation

HRID 570341 reaction equation
Cl[C:2]1[O:6][N:5]=[C:4]([C:7]2[CH:12]=[CH:11][C:10]([CH3:13])=[C:9]([N+:14]([O-:16])=[O:15])[CH:8]=2)[N:3]=1.C([N:19]([CH2:22][CH3:23])[CH2:20]C)C.Cl.N1CCC1>CC#N>[N:19]1([C:2]2[O:6][N:5]=[C:4]([C:7]3[CH:12]=[CH:11][C:10]([CH3:13])=[C:9]([N+:14]([O-:16])=[O:15])[CH:8]=3)[N:3]=2)[CH2:20][CH2:23][CH2:22]1

Participants

5

Procedure

To a solution of 5-chloro-3-(4-methyl-3-nitrophenyl)-1,2,4-oxadiazole (107) (3.6 g, 15.02 mmol, 1.00 equiv) in CH3CN (40 mL) was added triethylamine (3.03 g, 29.94 mmol) and azetidine hydrochloride (1.68 g, 17.96 mmol). The resulting solution was stirred for 1 hour at room temperature, concentrated under vacuum and purified by prep-HPLC to afford 5-(azetidin-1-yl)-3-(4-methyl-3-nitrophenyl)-1,2,4-oxadiazole (108) as a white solid. MS m/z 261.1 (M+1)+.

Workup

  1. concentrationconcentrated under vacuum
  2. custompurified by prep-HPLC

Sources & evidence

ORD record
ord-1afaca7cc21848049ce8e3933a835b00
Source dataset
uspto-grants-2015_05
Patent number
US09023839B2

Reaction notes

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