Ethanol → HCID 89306486, compound

HRID 2400259Notes

Reaction equation

HRID 2400259 reaction equation
[F:1][C:2]1[CH:7]=[C:6]([F:8])[CH:5]=[CH:4][C:3]=1[C:9]([OH:34])([CH2:28][N:29]1[CH:33]=[N:32][N:31]=[N:30]1)[C:10]([C:13]1[N:18]=[CH:17][C:16]([O:19][C:20]2[N:27]=[CH:26][CH:25]=[CH:24][C:21]=2C=O)=[CH:15][CH:14]=1)([F:12])[F:11].Cl.[CH3:36][O:37][NH2:38].N#N.[CH3:41]CO>>[CH3:36][O:37]/[N:38]=[CH:41]/[C:25]1[CH:24]=[CH:21][C:20]([O:19][C:16]2[CH:17]=[N:18][C:13]([C:10]([F:12])([F:11])[C:9]([C:3]3[CH:4]=[CH:5][C:6]([F:8])=[CH:7][C:2]=3[F:1])([OH:34])[CH2:28][N:29]3[CH:33]=[N:32][N:31]=[N:30]3)=[CH:14][CH:15]=2)=[N:27][CH:26]=1

Participants

5

Reactant 4

HCID 702EthanolHCID 947NitrogenHCID 521874O-Methylhydroxylamine hydrochlorideHCID 86675505HCID 86675505, compound

Product 1

HCID 89306486HCID 89306486, compound

Procedure

To a magnetically stirred mixture of 6-(((6-(2-(2,4-difluorophenyl)-1,1-difluoro-2-hydroxy-3-(1H-tetrazol-1-yl)propyl)pyridin-3-yl)oxy)nicotinaldehyde (101) (60 mg, 0.126 mmol) in dry EtOH (1.265 mL) was added O-Methylhydroxylamine hydrochloride (21.13 mg, 0.253 mmol) in a 5 mL vial under N2 atmosphere. The reaction mixture was stirred at RT overnight. The reaction mixture was evaporated and the crude residue was purified on silica (ISCO, 12 gram column, gradient to 75% EtOAc/Hexanes over 25 minutes) to afford the title compound. Yield=18 mg (26.9%) of a white foam. 1H NMR (400 MHz, CDCl3) δ 8.76 (s, 1H), 8.47 (d, J=2.5 Hz, 1H), 8.19 (d, J=2.3 Hz, 1H), 8.11 (dd, J=8.7, 2.4 Hz, 1H), 8.04 (s, 1H), 7.67 (dd, J=8.7, 2.6 Hz, 1H), 7.63 (d, J=8.8 Hz, 1H), 7.45 (s, 1H), 7.36 (td, J=8.8, 6.4 Hz, 1H), 7.05 (d, J=8.5 Hz, 1H), 6.83-6.73 (m, 1H), 6.73-6.64 (m, 1H), 5.63 (d, J=14.3 Hz, 1H), 5.10 (d, J=14.3 Hz, 1H), 3.99 (s, 3H). 1H-decoupled 19F NMR (376 MHz, CDCl3) δ −103.20 (d, J=17.7 Hz), −103.89 (ddd, J=31.3, 21.1, 13.6 Hz), −108.11 (d, J=9.5 Hz), −110.21 (d, J=45.0 Hz), −110.90 (d, J=45.0 Hz). MS(ESI): m/z 504.2 (M+H)+.

Workup

  1. customThe reaction mixture was evaporated
  2. customthe crude residue was purified on silica (ISCO, 12 gram column, gradient to 75% EtOAc/Hexanes over 25 minutes)

Sources & evidence

ORD record
ord-8b3f6258190f4a0eabddf227de600409
Source dataset
uspto-grants-2014_08
Patent number
US08796001B2

Reaction notes

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