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4-((1R,2R)-2-(tert-Butyldimethylsilyloxy)-1-(5-(4-nitrophenyl)-1,3,4-oxadiazol-2-yl)propylamino)-2-chloro-3-methylbenzonitrile → 4-((1R,2R)-1-(5-(4-Aminophenyl)-1,3,4-oxadiazol-2-yl)-2-(tert-butyldimethylsilyloxy)propylamino)-2-chloro-3-methylbenzonitrile

HRID 1254782
ノート
印刷プレビュー

反応式

HRID 1254782 の反応式
[Si:1]([O:8][C@H:9]([CH3:36])[C@@H:10]([NH:25][C:26]1[CH:33]=[CH:32][C:29]([C:30]#[N:31])=[C:28]([Cl:34])[C:27]=1[CH3:35])[C:11]1[O:12][C:13]([C:16]2[CH:21]=[CH:20][C:19]([N+:22]([O-])=O)=[CH:18][CH:17]=2)=[N:14][N:15]=1)([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[CH3:2]>C(Cl)Cl.[Pd]>[NH2:22][C:19]1[CH:18]=[CH:17][C:16]([C:13]2[O:12][C:11]([C@H:10]([NH:25][C:26]3[CH:33]=[CH:32][C:29]([C:30]#[N:31])=[C:28]([Cl:34])[C:27]=3[CH3:35])[C@H:9]([O:8][Si:1]([C:4]([CH3:6])([CH3:7])[CH3:5])([CH3:3])[CH3:2])[CH3:36])=[N:15][N:14]=2)=[CH:21][CH:20]=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 1

HCID 591930514-((1R,2R)-2-(tert-Butyldimethylsilyloxy)-1-(5-(4-nitrophenyl)-1,3,4-oxadiazol-2-yl)propylamino)-2-chloro-3-methylbenzonitrile

生成物 1

HCID 591930604-((1R,2R)-1-(5-(4-Aminophenyl)-1,3,4-oxadiazol-2-yl)-2-(tert-butyldimethylsilyloxy)propylamino)-2-chloro-3-methylbenzonitrile収率 93%

試薬・触媒・溶媒 2

HCID 23938Palladium触媒HCID 6344Dichloromethane溶媒

実験手順

A suspension of 4-((1R,2R)-2-(tert-butyldimethylsilyloxy)-1-(5-(4-nitrophenyl)-1,3,4-oxadiazol-2-yl)propylamino)-2-chloro-3-methylbenzonitrile (1.6 g, 3.03 mmol), 5 wt. % Pd on activated carbon (700 mg) in CH2Cl2 (50 mL) was pressurized with 30 psi of H2 and reacted on a Parr shaker for 5 h. The reaction was filtered through Celite® under N2 and rinsed with CH2Cl2 (3×40 mL). The filtrate was concentrated under reduced pressure to provide a colourless solid (1.40 g, 93%): 1H NMR (400 MHz, CDCl3, δ in ppm) 7.76 (dm, J=8.8 Hz, 2H), 7.34 (d, J=8.6 Hz, 1H), 6.70 (dm, J=8.8 Hz, 2H), 6.62 (d, J=8.6 Hz, 1H), 5.11 (d, J=9.0 Hz, 1H), 4.79 (dd, J=3.9, 8.8 Hz, 1H), 4.41 (dq, J=3.9, 6.3 Hz, 1H), 4.05 (s, 2H), 2.32 (s, 3H), 1.28 (d, J=6.3 Hz, 3H), 0.93 (s, 9H), 0.13 (s, 3H), 0.10 (s, 3H).

後処理

  1. customreacted on a Parr shaker for 5 h
  2. filtrationThe reaction was filtered through Celite® under N2
  3. washrinsed with CH2Cl2 (3×40 mL)
  4. concentrationThe filtrate was concentrated under reduced pressure

出典と根拠

ORDレコード
ord-8c201dd49d6945fe93246e6f3a7c2fc3
出典データセット
uspto-grants-2013_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08455525B2

反応ノート

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