Ammonia → 3-(5-Chloropyridin-3-yl)-5-(pyridin-3-yl)isoxazole

HRID 390501Notes

Reaction equation

HRID 390501 reaction equation
[Cl:1][C:2]1[CH:3]=[N:4][CH:5]=[C:6]([CH:11]=1)[C:7](Cl)=[N:8][OH:9].[C:12]([C:14]1[CH:15]=[N:16][CH:17]=[CH:18][CH:19]=1)#[CH:13].N>>[Cl:1][C:2]1[CH:11]=[C:6]([C:7]2[CH:13]=[C:12]([C:14]3[CH:15]=[N:16][CH:17]=[CH:18][CH:19]=3)[O:9][N:8]=2)[CH:5]=[N:4][CH:3]=1

Participants

4

Reactant 3

HCID 222AmmoniaHCID 1860033-EthynylpyridineHCID 866368495-Chloro-N-hydroxynicotinimidoyl chloride

Product 1

HCID 690003873-(5-Chloropyridin-3-yl)-5-(pyridin-3-yl)isoxazole

Procedure

The titled compound was prepared according to Method CB using the product of Example 69B (57 mg, 0.3 mmol) and 3-ethynylpyridine (Aldrich, 31.0 mg, 0.3 mmol). 1H NMR (300 MHz, DMSO-d6) δ 7.65 (ddd, J=7.9, 4.8, 0.8 Hz, 1H), 7.92 (s, 1H), 8.30 (dt, J=7.7, 2.2, 2.0 Hz, 1H), 8.45 (t, J=2.2 Hz, 1H), 8.75 (dd, J=4.8, 1.6 Hz, 1H), 8.82 (d, J=2.4 Hz, 1H), 9.09 (d, J=2.0 Hz, 1H), 9.13 (dd, J=2.4, 0.8 Hz, 1H) ppm; MS (DCI/NH3) m/z 260 (M+H)+, 258 (M+H)+.

Sources & evidence

ORD record
ord-65832cb06e2c4c7798f6f6cce5113150
Source dataset
uspto-grants-2013_02
Patent number
US08383658B2

Reaction notes

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