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Cesium carbonate → 3-Bromo-5-{4,4-dimethyl-9-oxo-7-thia-10-azatricyclo[6.4.0.02,6]dodeca-1(8), 2(6)-dien-10-yl}pyridine-4-carbaldehyde

HRID 1411481
ノート
印刷プレビュー

反応式

HRID 1411481 の反応式
Br[C:2]1[CH:9]=[N:8][CH:7]=[C:6]([Br:10])[C:3]=1[CH:4]=[O:5].[CH3:11][C:12]1([CH3:25])[CH2:24][C:15]2[C:16]3[CH2:21][CH2:20][NH:19][C:18](=[O:22])[C:17]=3[S:23][C:14]=2[CH2:13]1.C(=O)([O-])[O-].[Cs+].[Cs+].CC1(C)C2C(=C(P(C3C=CC=CC=3)C3C=CC=CC=3)C=CC=2)OC2C(P(C3C=CC=CC=3)C3C=CC=CC=3)=CC=CC1=2>C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd].O1CCOCC1>[Br:10][C:6]1[CH:7]=[N:8][CH:9]=[C:2]([N:19]2[CH2:20][CH2:21][C:16]3[C:15]4[CH2:24][C:12]([CH3:11])([CH3:25])[CH2:13][C:14]=4[S:23][C:17]=3[C:18]2=[O:22])[C:3]=1[CH:4]=[O:5]
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

7

反応物 4

HCID 10796Cesium carbonateHCID 6360441,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 27629983,5-Dibromo-4-pyridinecarboxaldehydeHCID 580438956,6-Dimethyl-3,4,6,7-tetrahydro-2H-cyclopenta[4,5]thieno[2,3-C]pyridin-1(5H)-one

生成物 1

HCID 866841773-Bromo-5-{4,4-dimethyl-9-oxo-7-thia-10-azatricyclo[6.4.0.02,6]dodeca-1(8), 2(6)-dien-10-yl}pyridine-4-carbaldehyde
収率 65%

試薬・触媒・溶媒 2

HCID 9811564Bis(dibenzylideneacetone)palladium触媒HCID 312751,4-Dioxane溶媒

反応条件

温度
100 °C

実験手順

To a 100-mL single-neck round-bottomed flask equipped with a magnetic stirrer and reflux condenser was charged with 1,4-dioxane (15 mL), 3,5-dibromoisonicotin-aldehyde (400 mg, 1.5 mmol), 4,4-dimethyl-7-thia-10-azatricyclo[6.4.0.02,6]dodeca-1(8),2(6)-dien-9-one (106h) (170 mg, 0.76 mmol), and cesium carbonate (176 mg, 1.5 mmol). Xantphos (40 mg, 0.08 mmol) and Pd2(dba)3 (70 mg, 0.08 mmol) were added, and the reaction mixture was heated at 100° C. for 5 h. After this time the reaction was cooled to room temperature and filtered. The filtrate was concentrated under reduced pressure and the residue was purified on flash column eluting with DCM:MeOH (20:1) to afford 106i (200 mg, 65%). MS: [M+H]+ 405.

後処理

  1. customTo a 100-mL single-neck round-bottomed flask equipped with a magnetic stirrer
  2. temperaturereflux condenser
  3. temperatureAfter this time the reaction was cooled to room temperature
  4. filtrationfiltered
  5. concentrationThe filtrate was concentrated under reduced pressure
  6. customthe residue was purified on flash column
  7. washeluting with DCM:MeOH (20:1)

出典と根拠

ORDレコード
ord-ba2e351ce0134e63ada30d795aafbcd9
出典データセット
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08921353B2

反応ノート

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