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PyBOP → 5-(3-Chloro-4-isopropoxyphenyl)-3-(1H-indol-5-yl)-1,2,4-oxadiazole

HRID 423292
ノート
印刷プレビュー

反応式

HRID 423292 の反応式
[OH:1][NH:2][C:3]([C:5]1[CH:6]=[C:7]2[C:11](=[CH:12][CH:13]=1)[NH:10][CH:9]=[CH:8]2)=[NH:4].[Cl:14][C:15]1[CH:16]=[C:17]([CH:21]=[CH:22][C:23]=1[O:24][CH:25]([CH3:27])[CH3:26])[C:18](O)=O.C1CN([P+](ON2N=NC3C=CC=CC2=3)(N2CCCC2)N2CCCC2)CC1.F[P-](F)(F)(F)(F)F>CN(C=O)C>[Cl:14][C:15]1[CH:16]=[C:17]([C:18]2[O:1][N:2]=[C:3]([C:5]3[CH:6]=[C:7]4[C:11](=[CH:12][CH:13]=3)[NH:10][CH:9]=[CH:8]4)[N:4]=2)[CH:21]=[CH:22][C:23]=1[O:24][CH:25]([CH3:26])[CH3:27]
参加物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 2724699PyBOPHCID 225977283-Chloro-4-(propan-2-yloxy)benzoic acidHCID 178513238HCID 178513238、化合物

生成物 1

HCID 593183535-(3-Chloro-4-isopropoxyphenyl)-3-(1H-indol-5-yl)-1,2,4-oxadiazole収率 11.9%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

実験手順

D1 (500 mg), D4 (611 mg) and PyBOP (1.66 g) were dissolved in DMF and stirred overnight. The reaction mixture was then evaporated and partitioned between EtOAc and H2O. The organic layer was washed with H2O (×2) then brine, dried over MgSO4, filtered and evaporated to give the crude product. This was purified on a silica cartridge, eluting with a 0 to 50% mixture of Et2O in hexane to give the title compound (120 mg) as a white solid. δH (CDCl3, 400 MHz): 1.43 (6H, d), 4.69 (1H, septet), 6.92 (1H, s), 7.04 (1H, d), 7.25 (1H, s), 7.48 (1H, d), 8.00 (1H, d), 8.07 (1H, d), 8.25 (1H, s), 8.39 (1H, br. s), 8.50 (1H, s). MS (ES): C19H16ClN3O2 requires 353; found 354 (MH+).

後処理

  1. customThe reaction mixture was then evaporated
  2. custompartitioned between EtOAc and H2O
  3. washThe organic layer was washed with H2O (×2)
  4. dry with materialbrine, dried over MgSO4
  5. filtrationfiltered
  6. customevaporated
  7. customto give the crude product
  8. customThis was purified on a silica cartridge
  9. washeluting with a 0 to 50% mixture of Et2O in hexane

出典と根拠

ORDレコード
ord-4f7805d80bb0444b915b9cd35f8d77b5
出典データセット
uspto-grants-2012_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08101775B2

反応ノート

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