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Potassium Carbonate → N-(6-(1-oxoisoindolin-4-yl)naphthalen-2-yl)thiophene-3-carboxamide

HRID 908291
ノート
印刷プレビュー

反応式

HRID 908291 の反応式
Br[N:2]1[CH2:10][C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[C:3]1=[O:11].CC1(C)C(C)(C)OB([C:20]2[CH:21]=[C:22]3[C:27](=[CH:28][CH:29]=2)[CH:26]=[C:25]([NH:30][C:31]([C:33]2[CH:37]=[CH:36][S:35][CH:34]=2)=[O:32])[CH:24]=[CH:23]3)O1.C([O-])([O-])=O.[K+].[K+].O1CCOCC1>[Pd].O>[O:11]=[C:3]1[C:4]2[C:9](=[C:8]([C:20]3[CH:21]=[C:22]4[C:27](=[CH:28][CH:29]=3)[CH:26]=[C:25]([NH:30][C:31]([C:33]3[CH:37]=[CH:36][S:35][CH:34]=3)=[O:32])[CH:24]=[CH:23]4)[CH:7]=[CH:6][CH:5]=2)[CH2:10][NH:2]1
参加物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 11430Potassium CarbonateHCID 312751,4-DioxaneHCID 67386422N-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)naphthalen-2-yl)thiophene-3-carboxamideHCID 86611253Bromoisoindolin-1-one

生成物 1

HCID 16035434N-(6-(1-oxoisoindolin-4-yl)naphthalen-2-yl)thiophene-3-carboxamide収率 24%

試薬・触媒・溶媒 2

HCID 23938
Palladium
触媒
HCID 962Water溶媒

実験手順

Bromoisoindolin-1-one (11.5 mg, 0.0542 mmol), N-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)naphthalen-2-yl)thiophene-3-carboxamide (43.3 mg, 0.114 mmol), Fibercat palladium catalyst (Johnson-Matthey, 21.0 mg), and K2CO3 (2 M in water, 0.1 ml, 0.2 mmol) were combined in a microwave reaction vessel and 1,4-dioxane (0.55 ml) was added. The reaction tube was sealed and heated in the microwave (CEM microwave) for 10 minutes at 50 Watts and 80 C. The reaction was cooled to room temperature, diluted with water (10 ml), and extracted with dichloromethane (6×5 ml). The organic extracts were combined, dried over sodium sulfate, filtered, and concentrated. The crude material was washed with 15:1 hexanes/EtOAc and then purified on HPLC (10%->95% MeCN/water with 0.1% TFA) to afford title compound (4.9 mg, 24%). MS (ESI pos. ion) m/z: 385 (M+H). Calc'd Exact Mass for C23H16N2O2S: 384.

後処理

  1. additionwas added
  2. customThe reaction tube was sealed
  3. temperatureheated in the microwave (CEM microwave) for 10 minutes at 50 Watts and 80 C
  4. extractionextracted with dichloromethane (6×5 ml)
  5. dry with materialdried over sodium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated
  8. washThe crude material was washed with 15:1 hexanes/EtOAc
  9. custompurified on HPLC (10%->95% MeCN/water with 0.1% TFA)

出典と根拠

ORDレコード
ord-64dc3422c39642ae86a3a05a0dfac1d7
出典データセット
uspto-grants-2011_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08017601B2

反応ノート

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