Pyridine → 2,4-Bis-(N-(Cbz-valinyl)amino)-1,5-diphenyl-3-pentyl 4-(chloromethyl)benzoate

HRID 1078142ノート

反応式

HRID 1078142 の反応式
[C:1]([NH:11][C@H:12]([C:16]([NH:18][CH:19]([CH:27]([OH:54])[CH:28]([NH:36][C:37](=[O:53])[C@H:38]([CH:50]([CH3:52])[CH3:51])[NH:39][C:40]([O:42][CH2:43][C:44]1[CH:49]=[CH:48][CH:47]=[CH:46][CH:45]=1)=[O:41])[CH2:29][C:30]1[CH:35]=[CH:34][CH:33]=[CH:32][CH:31]=1)[CH2:20][C:21]1[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=1)=[O:17])[CH:13]([CH3:15])[CH3:14])([O:3][CH2:4][C:5]1[CH:10]=[CH:9][CH:8]=[CH:7][CH:6]=1)=[O:2].[Cl:55][CH2:56][C:57]1[CH:65]=[CH:64][C:60]([C:61](Cl)=[O:62])=[CH:59][CH:58]=1.N1C=CC=CC=1>C(Cl)(Cl)Cl.C(Cl)Cl.CO>[Cl:55][CH2:56][C:57]1[CH:65]=[CH:64][C:60]([C:61]([O:54][CH:27]([CH:19]([NH:18][C:16](=[O:17])[C@H:12]([CH:13]([CH3:14])[CH3:15])[NH:11][C:1]([O:3][CH2:4][C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][CH:10]=2)=[O:2])[CH2:20][C:21]2[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=2)[CH:28]([NH:36][C:37](=[O:53])[C@H:38]([CH:50]([CH3:52])[CH3:51])[NH:39][C:40]([O:42][CH2:43][C:44]2[CH:49]=[CH:48][CH:47]=[CH:46][CH:45]=2)=[O:41])[CH2:29][C:30]2[CH:31]=[CH:32][CH:33]=[CH:34][CH:35]=2)=[O:62])=[CH:59][CH:58]=1

参加物

7

反応物 3

HCID 1049PyridineHCID 701364-(Chloromethyl)benzoyl chlorideHCID 3011026benzyl N-[(1S)-1-[[1-benzyl-3-[[(2S)-2-(benzyloxycarbonylamino)-3-methyl-butanoyl]amino]-2-hydroxy-4-phenyl-butyl]carbamoyl]-2-methyl-propyl]carbamate

生成物 1

HCID 228455672,4-Bis-(N-(Cbz-valinyl)amino)-1,5-diphenyl-3-pentyl 4-(chloromethyl)benzoate収率 46.1%

試薬・触媒・溶媒 3

HCID 887Methanol溶媒2 回HCID 6212Chloroform溶媒HCID 6344Dichloromethane溶媒4 回

実験手順

The resultant compound of Example 70 (1.3 g, 1.76 mmol) was combined with 4-(chloromethyl)benzoyl chloride (1.0 g, 5.3 mmol) and pyridine (418 mg, 5.3 mmol) in 10 mL of freshly distilled methylene chloride. The reaction mixture was heated at reflux under nitrogen for approximately 10 h and then diluted with 150 mL of chloroform. The chloroform solution was washed with 75 mL of water, dried over anhydrous magnesium sulfate, filtered and concentrated under reduced pressure. The residue (2.1 g) was taken up in ~10 mL of chloroform and applied to a 1.8×45 cm column of 40 mesh silica gel. The column was eluted @~5 p.s.i. sequentially with 200 mL of methylene chloride, 250 mL of 0.5% methanol in methylene chloride and 600 mL of 1% methanol in methylene chloride to give 721 mg (46% yield) of the title compound; FAB MS M/Z: 889 (M+H)+. The 300 MHz 1H NMR spectrum was consistent with the assigned structure.

後処理

  1. temperatureThe reaction mixture was heated
  2. temperatureat reflux under nitrogen for approximately 10 h
  3. washThe chloroform solution was washed with 75 mL of water
  4. dry with materialdried over anhydrous magnesium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated under reduced pressure
  7. washThe column was eluted @~5 p.s.i

出典と根拠

ORDレコード
ord-268fc2c9bf2e4a298b1672e14f090ace
出典データセット
uspto-grants-1996_08
特許番号
US05545750

反応ノート

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