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Imidazole → 6-{4-[(1R,2S)-2-(2-{[tert-butyl(dimethyl)silyl]oxy}ethyl)cyclopropyl]piperidin-1-yl}pyridine-3-carbaldehyde

HRID 1474734
ノート
印刷プレビュー

反応式

HRID 1474734 の反応式
[OH:1][CH2:2][CH2:3][C@@H:4]1[CH2:6][C@@H:5]1[CH:7]1[CH2:12][CH2:11][N:10]([C:13]2[N:18]=[CH:17][C:16]([CH:19]=[O:20])=[CH:15][CH:14]=2)[CH2:9][CH2:8]1.N1C=CN=C1.[CH3:26][C:27]([Si:30](Cl)([CH3:32])[CH3:31])([CH3:29])[CH3:28]>CN(C=O)C.O>[Si:30]([O:1][CH2:2][CH2:3][C@@H:4]1[CH2:6][C@@H:5]1[CH:7]1[CH2:8][CH2:9][N:10]([C:13]2[N:18]=[CH:17][C:16]([CH:19]=[O:20])=[CH:15][CH:14]=2)[CH2:11][CH2:12]1)([C:27]([CH3:29])([CH3:28])[CH3:26])([CH3:32])[CH3:31]
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

6

反応物 3

HCID 795ImidazoleHCID 28928tert-Butyldimethylsilyl chlorideHCID 1176784086-{4-[(1R,2S)-2-(2-hydroxyethyl)cyclopropyl]piperidin-1-yl}pyridine-3-carbaldehyde

生成物 1

HCID 895818786-{4-[(1R,2S)-2-(2-{[tert-butyl(dimethyl)silyl]oxy}ethyl)cyclopropyl]piperidin-1-yl}pyridine-3-carbaldehyde

試薬・触媒・溶媒 2

HCID 962Water溶媒
HCID 6228
Dimethylformamide
溶媒

反応条件

温度
0 °C

実験手順

6-{4-[(1R,2S)-2-(2-hydroxyethyl)cyclopropyl]piperidin-1-yl}pyridine-3-carbaldehyde (1.5 g, 5.47 mmol) was dissolved in DMF (5.47 ml), and imidazole (0.558 g, 8.20 mmol) was added. The mixture was cooled to 0° C., TBDMS-Cl (0.989 g, 6.56 mmol) added and the mixture was allowed to warm to RT and stirred overnight. The mixture was diluted with 4:1 water:saturated sodium bicarbonate (100 ml), extracted with EtOAc (3×75 ml), the organic fractions combined, washed with brine, dried over Na2SO4, filtered and the volatiles removed in vac. The residue was purified by column chromatography on silica gel, Biotage 50 g, using a gradient eluant of 0-100% EtOAc/hexanes to afford the title compound. LC/MS (m/z): 389 (M+H)+.

後処理

  1. temperatureto warm to RT
  2. extractionsaturated sodium bicarbonate (100 ml), extracted with EtOAc (3×75 ml)
  3. washwashed with brine
  4. dry with materialdried over Na2SO4
  5. filtrationfiltered
  6. customthe volatiles removed in vac
  7. customThe residue was purified by column chromatography on silica gel, Biotage 50 g

出典と根拠

ORDレコード
ord-a02961b24f7c4ddf981d4b6d662fac82
出典データセット
uspto-grants-2015_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09018224B2

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