Hydroxylamine → 3-(1,3-Dioxolan-2-yl)propyl 4-(N'-hydroxycarbamimidoyl)benzoate

HRID 332709Notes

Reaction equation

[C:1]([C:3]1[CH:19]=[CH:18][C:6]([C:7]([O:9][CH2:10][CH2:11][CH2:12][CH:13]2[O:17][CH2:16][CH2:15][O:14]2)=[O:8])=[CH:5][CH:4]=1)#[N:2].[NH2:20][OH:21]>C(O)C.[Cl-].[Na+].O>[OH:21][N:20]=[C:1]([C:3]1[CH:4]=[CH:5][C:6]([C:7]([O:9][CH2:10][CH2:11][CH2:12][CH:13]2[O:14][CH2:15][CH2:16][O:17]2)=[O:8])=[CH:18][CH:19]=1)[NH2:2]

Participants

Conditions

Temperature: 80 °C

Procedure

To a solution of 3-(1,3-dioxolan-2-yl)propyl 4-cyanobenzoate (1.00 g, 4.38 mmol) in ethanol (5 mL), was added hydroxylamine (50% aqueous solution, 5 mL), and the mixture heated at 80° C. for 4 hours. The reaction was diluted with saturated brine and extracted with ethyl acetate (×3). The combined organic fractions were dried with magnesium sulphate, and the solvent evaporated at reduced pressure. The material was used directly in the next step without further purification.

Workup

extractionextracted with ethyl acetate (×3)
dry with materialThe combined organic fractions were dried with magnesium sulphate
customthe solvent evaporated at reduced pressure
customThe material was used directly in the next step without further purification

Sources & evidence

ORD record: ord-7ac6906fe06c4bc38af0037cb23ac1c0
Source dataset: uspto-grants-2014_11
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08877774B2

Reaction notes

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