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2-(Tributylstannyl)pyrazine → 3-[(1S,2S)-2-Hydroxycyclohexyl]-6-[(6-pyrazin-2-ylpyridin-3-yl)methyl]pyrido[3,4-h]quinazolin-4(3H)-one

HRID 1183827
ノート
印刷プレビュー

反応式

HRID 1183827 の反応式
Cl[C:2]1[N:7]=[CH:6][C:5]([CH2:8][C:9]2[CH:10]=[C:11]3[C:16](=[C:17]4[CH:22]=[CH:21][N:20]=[CH:19][C:18]=24)[N:15]=[CH:14][N:13]([C@H:23]2[CH2:28][CH2:27][CH2:26][CH2:25][C@@H:24]2[OH:29])[C:12]3=[O:30])=[CH:4][CH:3]=1.C([Sn](CCCC)(CCCC)[C:36]1[CH:41]=[N:40][CH:39]=[CH:38][N:37]=1)CCC>O1CCOCC1.C(OCC)(=O)C.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[OH:29][C@H:24]1[CH2:25][CH2:26][CH2:27][CH2:28][C@@H:23]1[N:13]1[C:12](=[O:30])[C:11]2[C:16](=[C:17]3[CH:22]=[CH:21][N:20]=[CH:19][C:18]3=[C:9]([CH2:8][C:5]3[CH:6]=[N:7][C:2]([C:36]4[CH:41]=[N:40][CH:39]=[CH:38][N:37]=4)=[CH:3][CH:4]=3)[CH:10]=2)[N:15]=[CH:14]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 2

HCID 27373162-(Tributylstannyl)pyrazineHCID 532612286-[(6-Chloropyridin-3-yl)methyl]-3-[(1S,2S)-2-hydroxycyclohexyl]pyrido[3,4-h]quinazolin-4(3H)-one

生成物 1

HCID 699265193-[(1S,2S)-2-Hydroxycyclohexyl]-6-[(6-pyrazin-2-ylpyridin-3-yl)methyl]pyrido[3,4-h]quinazolin-4(3H)-one

試薬・触媒・溶媒 3

HCID 178418397HCID 178418397、化合物触媒
HCID 8857
Ethyl Acetate
溶媒
HCID 312751,4-Dioxane溶媒

実験手順

To a solution of 6-[(6-chloropyridin-3-yl)methyl]-3-[(1S,2S)-2-hydroxycyclohexyl]pyrido[3,4-h]quinazolin-4(3H)-one (Example 1, 0.050 g, 0.12 mmol) in 1 mL of dioxane under an atmosphere of nitrogen was added 2-(tributylstannyl)-pyrazine (0.175 g, 0.475 mmol) and tetrakis(triphenylphosphine)palladium(0) (0.014 g, 0.012 mmol). The mixture was irradiated in a microwave reactor at 160° C. for 1 h, cooled to rt, and diluted with ethyl acetate. The organic solution was washed with saturated aqueous sodium bicarbonate and brine, dried over sodium sulfate, filtered, and concentrated in vacuo. The residue was purified via preparative reverse phase HPLC to provide the title compound that gave a proton NMR spectra consistent with theory and a mass ion (ES+) of 464.9 for [M+H]: 1H NMR (400 MHz, CD3OD) δ 9.84 (s, 1H), 9.51 (s, 1H), 9.32 (d, J=6.2 Hz, 1H), 8.84 (d, J=6.2 Hz), 8.75-8.64 (m, 4H), 8.41 (d, J=8.2 Hz, 1H), 8.34 (s, 1H), 7.96-7.94 (m, 1H), 4.86 (s, 2H), 4.16 (br s, 1H), 2.19 (br s, 1H), 2.03 (br s, 1H), 1.96-1.86 (m, 3H), 1.56-1.42 (m, 4H).

後処理

  1. customThe mixture was irradiated in a microwave reactor at 160° C. for 1 h
  2. washThe organic solution was washed with saturated aqueous sodium bicarbonate and brine
  3. dry with materialdried over sodium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated in vacuo
  6. customThe residue was purified via preparative reverse phase HPLC

出典と根拠

ORDレコード
ord-a78a723d4ca044e0994964b064abeeb4
出典データセット
uspto-grants-2014_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08664387B2

反応ノート

読み込み中…

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