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1,2-Dimethoxyethane → HCID 68312661、化合物

HRID 1472895
ノート
印刷プレビュー

反応式

HRID 1472895 の反応式
[F:1][C:2]([F:13])([F:12])[C:3]1[N:8]=[CH:7][C:6](B(O)O)=[CH:5][CH:4]=1.Cl[C:15]1[N:20]=[C:19]([CH3:21])[C:18]([O:22][CH3:23])=[CH:17][CH:16]=1.C([O-])([O-])=O.[K+].[K+].COCCOC>Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.CCOC(C)=O.C(O)C.O>[CH3:23][O:22][C:18]1[CH:17]=[CH:16][C:15]([C:6]2[CH:7]=[N:8][C:3]([C:2]([F:13])([F:12])[F:1])=[CH:4][CH:5]=2)=[N:20][C:19]=1[CH3:21]
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

9

反応物 4

HCID 80711,2-DimethoxyethaneHCID 11430Potassium CarbonateHCID 146587126-Chloro-3-methoxy-2-methylpyridineHCID 251342782-(Trifluoromethyl)pyridine-5-boronic Acid

生成物 1

HCID 68312661HCID 68312661、化合物収率 186.1%

試薬・触媒・溶媒 4

HCID 178418476
HCID 178418476、化合物
触媒
HCID 702Ethanol溶媒
HCID 962Water溶媒
HCID 8857Ethyl Acetate溶媒

反応条件

温度
120 °C

実験手順

A 20 mL microwave vial was charged with 6-(trifluoromethyl)pyridin-3-ylboronic acid (666 mg, 3.49 mmol), 6-chloro-3-methoxy-2-methylpyridine (500 mg, 3.17 mmol), bis(triphenylphosphine)palladium(II) chloride (111 mg, 0.159 mmol), and K2CO3 (877 mg, 6.35 mmol), followed by the addition of DME (9.0 mL), water (3.86 mL) and ethanol (2.57 mL). The mixture was heated on the microwave at 120° C. for 10 minutes. To the reaction mixture was added 200 mL EtOAc, and washed with 200 mL water and 200 mL brine. The organic phase was dried over Na2SO4, filtered, and concentrated. The residue was chromatographed on a Grace Reveleris 40 g column, eluted with 0-40% EtOAc in Hexanes (25 mL/min) to provide the title compound (1.583 g, 5.90 mmol, 62.0% yield) as a white solid. MS (ESI+) m/z 269.1 (M+H); 1H NMR (300 MHz, DMSO-d6) δ 9.37 (d, J=1.8, 1H), 8.64 (dd, J=8.3, 1.9, 1H), 8.03 (d, J=8.6, 1H), 7.97 (d, J=8.3, 1H), 7.50 (d, J=8.6, 1H), 3.90 (s, 3H), 2.47 (s, 3H).

後処理

  1. washwashed with 200 mL water and 200 mL brine
  2. dry with materialThe organic phase was dried over Na2SO4
  3. filtrationfiltered
  4. concentrationconcentrated
  5. customThe residue was chromatographed on a Grace Reveleris 40 g column
  6. washeluted with 0-40% EtOAc in Hexanes (25 mL/min)

出典と根拠

ORDレコード
ord-9b709323be3c46e190c08afb809a0f84
出典データセット
uspto-grants-2015_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09012651B2

反応ノート

読み込み中…

このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート