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Benzophenone imine → 2-(2-Fluoroethoxy)aniline

HRID 2177614
ノート
印刷プレビュー

反応式

HRID 2177614 の反応式
Br[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[O:8][CH2:9][CH2:10][F:11].CC([O-])(C)C.[Na+].C1C=CC(P(C2C(C3C(P(C4C=CC=CC=4)C4C=CC=CC=4)=CC=C4C=3C=CC=C4)=C3C(C=CC=C3)=CC=2)C2C=CC=CC=2)=CC=1.C(=[NH:77])(C1C=CC=CC=1)C1C=CC=CC=1>C1(C)C=CC=CC=1>[F:11][CH2:10][CH2:9][O:8][C:3]1[CH:4]=[CH:5][CH:6]=[CH:7][C:2]=1[NH2:77]
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 136809Benzophenone imineHCID 634876Binap, (A+-)-HCID 15058601HCID 15058601、化合物HCID 23676156Sodium t-butoxide

生成物 1

HCID 150586142-(2-Fluoroethoxy)aniline収率 99.9%

試薬・触媒・溶媒 1

HCID 1140Toluene溶媒

反応条件

温度
120 °C

実験手順

To a solution of the product of Example 126, Step 1 (800 mg, 3.65, mmol) in deoxygenated toluene (15 mL) was added NaOtBu (498 mg, 5.2 mmol), BINAP (364 mg, 0.58 mmol) Pd2(dba)3 (217 mg, 0.24 mmol) and benzophenone imine (0.8 mL, 4.7 mmol). The reaction mixture was heated at 120° C. for 3 h. The crude mixture was then washed with DCM and the aqueous layer was made basic with sat. NaHCO3. The aqueous layer was extracted with DCM and the combined organic extracts were dried (Na2SO4), filtered and concentrated. The residue was purified by chromatography on silica gel (0-5% MeOH in DCM) to afford the title compound (566 mg, 90%). MS (ESI) mass calcd. C8H10FNO, 155.1. m/z found, 156.1 [M+H]+.

後処理

  1. washThe crude mixture was then washed with DCM
  2. extractionThe aqueous layer was extracted with DCM
  3. dry with materialthe combined organic extracts were dried (Na2SO4)
  4. filtrationfiltered
  5. concentrationconcentrated
  6. customThe residue was purified by chromatography on silica gel (0-5% MeOH in DCM)

出典と根拠

ORDレコード
ord-d917b514dcce49609b61846058e405fb
出典データセット
uspto-grants-2015_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09066946B2

反応ノート

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