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1-Methyl-4-piperidone → 1-Methyl-4-{5-[2-(2,2,6,6-tetramethyl-piperidin-4-ylamino)-pyrimidin-4-yl]-thiophen-2-yl}-piperidin-4-ol

HRID 1434946
ノート
印刷プレビュー

反応式

HRID 1434946 の反応式
Br[C:2]1[S:6][C:5]([C:7]2[CH:12]=[CH:11][N:10]=[C:9]([NH:13][CH:14]3[CH2:19][C:18]([CH3:21])([CH3:20])[NH:17][C:16]([CH3:23])([CH3:22])[CH2:15]3)[N:8]=2)=[CH:4][CH:3]=1.[Li]CCCC.[CH3:29][N:30]1[CH2:35][CH2:34][C:33](=[O:36])[CH2:32][CH2:31]1>C1COCC1>[CH3:29][N:30]1[CH2:35][CH2:34][C:33]([C:2]2[S:6][C:5]([C:7]3[CH:12]=[CH:11][N:10]=[C:9]([NH:13][CH:14]4[CH2:19][C:18]([CH3:21])([CH3:20])[NH:17][C:16]([CH3:23])([CH3:22])[CH2:15]4)[N:8]=3)=[CH:4][CH:3]=2)([OH:36])[CH2:32][CH2:31]1
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

5

反応物 3

HCID 740491-Methyl-4-piperidoneHCID 57936128{4-[5-Bromothiophen-2-yl]-pyrimidin-2-yl}-(2,2,6,6-tetramethyl-piperidin-4-yl)-amineHCID 178418339Butyllithium

生成物 1

HCID 114189841-Methyl-4-{5-[2-(2,2,6,6-tetramethyl-piperidin-4-ylamino)-pyrimidin-4-yl]-thiophen-2-yl}-piperidin-4-ol

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒2 回

反応条件

温度
-78 °C

実験手順

[4-(5-Bromo-thiophen-2-yl)-pyrimidin-2-yl]-(2,2,6,6-tetramethyl-piperidin-4-yl)-amine (Step C of Example 5, 198 mg, 0.5 mmol) was dissolved in THF (10 ml), cooled to −78° C. and treated with nBuLi (1.6M in hexane, 0.94 ml, 1.5 mmol) for 15 minutes. N-methyl-4-piperidone (231 μl, 2 mmol) in THF (0.2 ml) was added rapidly and the reaction mixture stirred for 15 minutes at −78° C., then poured on water and extracted three times with EtOAc. The combined organic phases were dried over sodium sulfate, filtered, evaporated to dryness and purified via preparative HPLC to give the title compound as colorless crystals, which crystallized from ether. Yield: 40 mg (19%).

後処理

  1. additionpoured on water
  2. extractionextracted three times with EtOAc
  3. dry with materialThe combined organic phases were dried over sodium sulfate
  4. filtrationfiltered
  5. customevaporated to dryness
  6. custompurified via preparative HPLC

出典と根拠

ORDレコード
ord-e6777f74ed3749478e71e018e2955b3f
出典データセット
uspto-grants-2009_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07615562B2

反応ノート

読み込み中…

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