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Tetrabutylammonium Fluoride → 1-(Benzo[d][1,3]dioxol-5-yl)-N-(5-((S)-(2-chloro-4-fluorophenyl)((R)-3-hydroxypyrrolidin-1-yl)methyl)thiazol-2-yl)cyclopropanecarboxamide

HRID 1673137
ノート
印刷プレビュー

反応式

HRID 1673137 の反応式
[O:1]1[C:5]2[CH:6]=[CH:7][C:8]([C:10]3([C:13]([NH:15][C:16]4[S:17][C:18]([C@@H:21]([N:30]5[CH2:34][CH2:33][C@@H:32]([O:35][Si](C(C)(C)C)(C)C)[CH2:31]5)[C:22]5[CH:27]=[CH:26][C:25]([F:28])=[CH:24][C:23]=5[Cl:29])=[CH:19][N:20]=4)=[O:14])[CH2:12][CH2:11]3)=[CH:9][C:4]=2[O:3][CH2:2]1.CCCC[N+](CCCC)(CCCC)CCCC.[F-]>O>[O:1]1[C:5]2[CH:6]=[CH:7][C:8]([C:10]3([C:13]([NH:15][C:16]4[S:17][C:18]([C@H:21]([C:22]5[CH:27]=[CH:26][C:25]([F:28])=[CH:24][C:23]=5[Cl:29])[N:30]5[CH2:34][CH2:33][C@@H:32]([OH:35])[CH2:31]5)=[CH:19][N:20]=4)=[O:14])[CH2:12][CH2:11]3)=[CH:9][C:4]=2[O:3][CH2:2]1
参加物実験手順後処理出典と根拠反応ノート

参加物

4

反応物 2

HCID 2724141Tetrabutylammonium FluorideHCID 597571341-(Benzo[d][1,3]dioxol-5-yl)-N-(5-((S)-((R)-3-(tert-butyldimethylsilyloxy)pyrrolidin-1-yl)(2-chloro-4-fluorophenyl)methyl)thiazol-2-yl)cyclopropanecarboxamide

生成物 1

HCID 159515121-(Benzo[d][1,3]dioxol-5-yl)-N-(5-((S)-(2-chloro-4-fluorophenyl)((R)-3-hydroxypyrrolidin-1-yl)methyl)thiazol-2-yl)cyclopropanecarboxamide収率 61.1%

試薬・触媒・溶媒 1

HCID 962
Water
溶媒

実験手順

A mixture of 1-(benzo[d][1,3]dioxol-5-yl)-N-(5-((S)-((R)-3-(tert-butyldimethylsilyloxy)pyrrolidin-1-yl)(2-chloro-4-fluorophenyl)methyl)thiazol-2-yl)cyclopropanecarboxamide (365 mg, 0.58 mmol) and TBAF (1M in THF, 2.3 mL, 2.3 mmol) was stirred at room temperature overnight. The reaction was diluted with H2O and extracted with EtOAc. The combined organic layers were washed with brine and dried over MgSO4. After the removal of solvent, the residue was purified by column chromatography (20-50% EtOAc/Hexane) to afford 1-(Benzo[d][1,3]dioxol-5-yl)-N-(5-((S)-(2-chloro-4-fluorophenyl)((R)-3-hydroxypyrrolidin-1-yl)methyl)thiazol-2-yl)cyclopropanecarboxamide (183 mg, 61%, >99% de). 1H-NMR (400 MHz, DMSO-d6) δ 8.41 (s, 1H), 7.72 (t, J=7.1 Hz, 1H), 7.20 (d, J=8.3 Hz, 2H), 6.95 (t, J=7.2 Hz, 2H), 6.80 (td, J=8.5, 1.6 Hz, 2H), 6.73 (d, J=7.9 Hz, 1H), 5.94 (s, 2H), 4.95 (s, 1H), 4.25 (s, 1H), 2.75 (s, 1H), 2.58-2.56 (m, 1H), 2.42 (s, 1H), 2.28-2.27 (m, 1H), 2.12-2.11 (m, 1H), 1.71-1.61 (m, 3H), 1.19-1.10 (m, 2H); HPLC ret. time 2.68 min, 10-99% CH3CN, 5 min run; ESI-MS 516.2 m/z (MH+).

後処理

  1. extractionextracted with EtOAc
  2. washThe combined organic layers were washed with brine
  3. dry with materialdried over MgSO4
  4. customAfter the removal of solvent
  5. customthe residue was purified by column chromatography (20-50% EtOAc/Hexane)

出典と根拠

ORDレコード
ord-2899e88830ec43c5b1d549d917fac647
出典データセット
uspto-grants-2011_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07999113B2

反応ノート

読み込み中…

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