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Hydrochloric Acid → (4-Fluoro-2-methoxyphenyl)methanamine hydrochloride

HRID 348160
ノート
印刷プレビュー

反応式

HRID 348160 の反応式
[F:1][C:2]1[CH:9]=[CH:8][C:5]([C:6]#[N:7])=[C:4]([O:10][CH3:11])[CH:3]=1.[ClH:12].[H][H]>C(O)C.[Pd]>[ClH:12].[F:1][C:2]1[CH:9]=[CH:8][C:5]([CH2:6][NH2:7])=[C:4]([O:10][CH3:11])[CH:3]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 313Hydrochloric Acid2 回HCID 27833294-Fluoro-2-methoxybenzonitrileHCID 178418361HCID 178418361、化合物

生成物 1

HCID 21069912(4-Fluoro-2-methoxyphenyl)methanamine hydrochloride収率 88.1%

試薬・触媒・溶媒 2

HCID 23938Palladium触媒2 回HCID 702
Ethanol
溶媒

実験手順

To a mixture of intermediate 127, 4-fluoro-2-methoxybenzonitrile, (800 mg, 5.3 mmol) and conc.HCl (0.53 mL, 6.36 mmol, 1.2 eq.) in ethanol (20 mL) was added 10% Pd—C (100 mg; Aldrich), and the mixture hydrogenated at 1 atm hydrogen for 15 hrs at room temperature. To this mixture was added an additional amount of conc.HCl (1 mL) and 10% Pd—C (200 mg) and the reaction allowed to continue for another 40 hrs. The mixture was filtered through Celite and the filtrate concentrated in vacuo to dryness. The residue was triturated with ether to provide the title compound (895 mg, Yield 88%) as a white powder: 1H NMR (CDCl3, 500 MHz) δ ppm: 3.84 (3H, s, OMe), 3.91 (2H, d, J=5.5 Hz, N—CH2), 6.81 (1H, dt, J=2.5 Hz, J=J=8.5 Hz, Ar—H), 6.99 (1H, dd, J=2.5 Hz, J=11.3 Hz, Ar—H), 7.47 (1H, dd, J=7 Hz, J=8.5 Hz, Ar—H); 3C NMR (CDCl3, 125.8 Hz) δ ppm: 36.76, 56.03, 99.30, 99.51 106.28, 106.45, 117.93, 117.95, 131.60, 131.69, 158.56, 158.64, 162.28, 164.22. HRMS (ESI) calcd for C8H11FNO (M+H) 156.0825, found 156.0830.

後処理

  1. additionTo this mixture was added an additional amount of conc
  2. filtrationThe mixture was filtered through Celite
  3. concentrationthe filtrate concentrated in vacuo to dryness
  4. customThe residue was triturated with ether

出典と根拠

ORDレコード
ord-ec9cc00867654bcd8752df064c7941b4
出典データセット
uspto-grants-2007_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07176196B2

反応ノート

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