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Potassium Carbonate → 3,5-dihydro-5-(diphenylmethylene)-2-propyl-3-[(2'-(triphenyl methyl tetrazol-5-yl)(1,1'-biphenyl)-4-yl)methyl]-4H-imidazol-4-one

HRID 21840
ノート
印刷プレビュー

反応式

HRID 21840 の反応式
C(=O)([O-])[O-].[K+].[K+].[CH2:7]([C:10]1[NH:11][C:12](=[O:28])[C:13](=[C:15]([C:22]2[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=2)[C:16]2[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=2)[N:14]=1)[CH2:8][CH3:9].Br[CH2:30][C:31]1[CH:36]=[CH:35][C:34]([C:37]2[CH:42]=[CH:41][CH:40]=[CH:39][C:38]=2[CH:43]2[N:47]([CH3:48])[N:46]([C:49]3[CH:54]=[CH:53][CH:52]=[CH:51][CH:50]=3)[N:45]([C:55]3[CH:60]=[CH:59][CH:58]=[CH:57][CH:56]=3)[N:44]2[C:61]2[CH:66]=[CH:65][CH:64]=[CH:63][CH:62]=2)=[CH:33][CH:32]=1>CN(C)C=O.C(Cl)Cl>[C:22]1([C:15]([C:16]2[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=2)=[C:13]2[N:14]=[C:10]([CH2:7][CH2:8][CH3:9])[N:11]([CH2:30][C:31]3[CH:32]=[CH:33][C:34]([C:37]4[CH:42]=[CH:41][CH:40]=[CH:39][C:38]=4[CH:43]4[N:47]([CH3:48])[N:46]([C:49]5[CH:54]=[CH:53][CH:52]=[CH:51][CH:50]=5)[N:45]([C:55]5[CH:56]=[CH:57][CH:58]=[CH:59][CH:60]=5)[N:44]4[C:61]4[CH:66]=[CH:65][CH:64]=[CH:63][CH:62]=4)=[CH:35][CH:36]=3)[C:12]2=[O:28])[CH:23]=[CH:24][CH:25]=[CH:26][CH:27]=1
参加物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 11430Potassium CarbonateHCID 543607154'-Bromomethyl-2-(triphenyl methyl tetrazol-5-yl)biphenylHCID 135710997HCID 135710997、化合物

生成物 1

HCID 199334743,5-dihydro-5-(diphenylmethylene)-2-propyl-3-[(2'-(triphenyl methyl tetrazol-5-yl)(1,1'-biphenyl)-4-yl)methyl]-4H-imidazol-4-one収率 43.2%

試薬・触媒・溶媒 2

HCID 6228
Dimethylformamide
溶媒
HCID 6344Dichloromethane溶媒

実験手順

A mixture of potassium carbonate (83 mg, 2 eq.), 2-propyl-4-(diphenylmethylene)-1H-imidazol-5(4H)-one (90 mg, 0.3 mmol), and 4'-bromomethyl-2-(triphenyl methyl tetrazol-5-yl)biphenyl (0.21 g, 1.2 eq.) in dimethyl formamide (10 mL) was allowed to stir at room temperature for 2 days. The solvent was in vacuo, the residue was dissolved in CH2Cl2 and washed with water and brine. The organic layer was dried over MgSO4 and concentrated. The crude mixture was chromatographed over silica gel eluting with ethyl acetate-hexane (1:4) to give 3,5-dihydro-5-(diphenylmethylene)-2-propyl-3-[(2'-(triphenyl methyl tetrazol-5-yl)(1,1'-biphenyl)-4-yl)methyl]-4H-imidazol-4-one (100 mg). M.S. m/e 767 (M+ +H) NMR (CDCl3 /TMS) δ0.90 (m, 3H, CH3), 1.65 (m, 2H, CH2), 2.38 (m, 2H, CH2), 4.62 (s, 2H, CH2), 6.88-7.50 (m, 30H, Harom), 7.61 (m, 2H, Harom), 7.90 (d, 1H, Harom). The above compound was detritylated following the procedure described in Example 2C, to give 61 mg of the desired product. M.S. m/e 524 (M+ +H) NMR (CDCl3 /TMS) d 1.01 (t, 3H, CH3), 1.78 (m, 2H, CH2), 2.49 (t, 2H, CH2), 4.75 (s, 2H, CH2), 7.12-7.41 (m, 15H, Harom), 7.58 (m,2H, Harom), 8.10 (d, 1H, Harom).

後処理

  1. washwashed with water and brine
  2. dry with materialThe organic layer was dried over MgSO4
  3. concentrationconcentrated
  4. customThe crude mixture was chromatographed over silica gel eluting with ethyl acetate-hexane (1:4)

出典と根拠

ORDレコード
ord-4ffe474de3334a7abc8c52e2c5bbc6b6
出典データセット
uspto-grants-1995_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05424450

反応ノート

読み込み中…

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