2-(4-Morpholinyl)acetohydrazide → 4-({3-[3-(4-Fluorophenyl)(1H-indazol-5-YL)]-1H-1,2,4-triazol-5-YL}methyl)morpholine

HRID 1353886Notes

Reaction equation

Cl.C(O[C:5]([C:7]1[CH:8]=[C:9]2[C:13](=[CH:14][CH:15]=1)[NH:12][N:11]=[C:10]2[C:16]1[CH:21]=[CH:20][C:19]([F:22])=[CH:18][CH:17]=1)=[NH:6])C.C[O-].[Na+].[NH2:26][NH:27][C:28](=O)[CH2:29][N:30]1[CH2:35][CH2:34][O:33][CH2:32][CH2:31]1>C(O)C.CO>[F:22][C:19]1[CH:18]=[CH:17][C:16]([C:10]2[C:9]3[C:13](=[CH:14][CH:15]=[C:7]([C:5]4[N:6]=[C:28]([CH2:29][N:30]5[CH2:35][CH2:34][O:33][CH2:32][CH2:31]5)[NH:27][N:26]=4)[CH:8]=3)[NH:12][N:11]=2)=[CH:21][CH:20]=1

Participants

Conditions

Temperature: 0 °C

Procedure

A suspension of ethoxy[3-(4-fluorophenyl)(1H-indazol-5-yl)]methanimine hydrochloride (0.300 g, 0.94 mmol) in 4 mL of anhydrous ethanol was prepared and cooled to 0° C. An excess of a freshly prepared solution of sodium methoxide in methanol (1.41 mL, 2.0 M)) was added followed by 3 equivalents of N-amino-2-morpholin-4-ylacetamide (0.449 g, 2.82 mmol) as a solid. The reaction mixture was heated to reflux temperature in a sealed tube for 2 days. The reaction was then quenched with water, the pH adjusted to neutral and he crude product extracted with ethyl acetate. The components of the crude mixture were separated by preparative HPLC (title compound: 0.017 g, 5% yield): 1H NMR (CD3OD) δ 8.71 (d, 1H), 8.08–8.03 (m, 3H), 7.68 (d, 1H), 7.3 (t, 2H), 3.73 (m, 6H), 2.59 (m, 4H); ES-MS (m/z) 379 [M+H]+.

Workup

customwas prepared
temperatureThe reaction mixture was heated
temperatureto reflux temperature in a sealed tube for 2 days
customThe reaction was then quenched with water
extractionextracted with ethyl acetate
customThe components of the crude mixture were separated by preparative HPLC (title compound: 0.017 g, 5% yield)

Sources & evidence

ORD record: ord-74949301e7fd49f08116f199414d3e1d
Source dataset: uspto-grants-2007_05
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07220771B2

Reaction notes

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