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Isopropanol → 5-(3-((1R)-1-(3-chloro-2-hydroxypropylamino)-2,3-dihydro-1H-inden-4-yl)-1,2,4-oxadiazol-5-yl)-2-isopropoxybenzonitrile

HRID 1809508
ノート
印刷プレビュー

反応式

HRID 1809508 の反応式
[NH2:1][C@H:2]1[C:10]2[C:5](=[C:6]([C:11]3[N:15]=[C:14]([C:16]4[CH:17]=[CH:18][C:19]([O:24][CH:25]([CH3:27])[CH3:26])=[C:20]([CH:23]=4)[C:21]#[N:22])[O:13][N:12]=3)[CH:7]=[CH:8][CH:9]=2)[CH2:4][CH2:3]1.[CH2:28]([CH:30]1[O:32][CH2:31]1)[Cl:29].CC(O)C>O>[Cl:29][CH2:28][CH:30]([OH:32])[CH2:31][NH:1][C@H:2]1[C:10]2[C:5](=[C:6]([C:11]3[N:15]=[C:14]([C:16]4[CH:17]=[CH:18][C:19]([O:24][CH:25]([CH3:27])[CH3:26])=[C:20]([CH:23]=4)[C:21]#[N:22])[O:13][N:12]=3)[CH:7]=[CH:8][CH:9]=2)[CH2:4][CH2:3]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 3776IsopropanolHCID 7835Epichlorohydrin2 回HCID 58344778(R)-5-(3-(1-amino-2,3-dihydro-1H-inden-4-yl)-1,2,4-oxadiazol-5-yl)-2-isopropoxybenzonitrile

生成物 1

HCID 673140155-(3-((1R)-1-(3-chloro-2-hydroxypropylamino)-2,3-dihydro-1H-inden-4-yl)-1,2,4-oxadiazol-5-yl)-2-isopropoxybenzonitrile収率 18.5%

試薬・触媒・溶媒 1

HCID 962
Water
溶媒

反応条件

温度
0 °C

実験手順

To a flask containing (R)-5-(3-(1-amino-2,3-dihydro-1H-inden-4-yl)-1,2,4-oxadiazol-5-yl)-2-isopropoxybenzonitrile 49 (84 mg, 0.23 mmol) was added 2 mL of WA. The cloudy, white mixture was cooled to 0° C. and epichlorohydrin (20.7 μL, 0.26 mmol) was added and the reaction mixture stirred at room temperature overnight. The IPA was removed by concentration in vacuo and water (500 μl) and aliquots of epichlorohydrin (20.7 μL, 0.26 mmol) were added every hour (4 total) at room temperature until conversion was complete. The reaction mixture was concentrated, dissolved in DCM and purified by chromatography (MeOH/DCM) to provide 19.3 mg (18%) of 5-(3 ((1R)-1-(3-chloro-2-hydroxypropylamino)-2,3-dihydro-1H-inden-4-yl)-1,2,4-oxadiazol-5-yl)-2-isopropoxybenzonitrile INT-15 as a white solid. LCMS-ESI (m/z) calculated for C24H25ClN4O3: 452.9; found 453.1 [M+H]+, tR=2.62 min.

後処理

  1. additionwas added 2 mL of WA
  2. additionwere added every hour (4 total) at room temperature until conversion
  3. concentrationThe reaction mixture was concentrated
  4. dissolutiondissolved in DCM
  5. custompurified by chromatography (MeOH/DCM)

出典と根拠

ORDレコード
ord-d37a39e631bb47ffa20c7ca064884909
出典データセット
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08362048B2

反応ノート

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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