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Triethylamine → 1-[3,5-Bis(trifluoromethyl)benzoyl]-4-(benzyloxycarbonyl)-2-[3-[(2-methoxyethoxy)methoxy]-4-methylbenzyl]piperazine

HRID 1374974
ノート
印刷プレビュー

反応式

HRID 1374974 の反応式
[CH2:1]([O:8][C:9](Cl)=[O:10])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[CH3:12][O:13][CH2:14][CH2:15][O:16][CH2:17][O:18][C:19]1[CH:20]=[C:21]([CH:29]=[CH:30][C:31]=1[CH3:32])[CH2:22][CH:23]1[CH2:28][NH:27][CH2:26][CH2:25][NH:24]1.C(N(CC)CC)C.[F:40][C:41]([F:56])([F:55])[C:42]1[CH:43]=[C:44]([CH:48]=[C:49]([C:51]([F:54])([F:53])[F:52])[CH:50]=1)[C:45](Cl)=[O:46]>ClCCl>[F:40][C:41]([F:55])([F:56])[C:42]1[CH:43]=[C:44]([CH:48]=[C:49]([C:51]([F:54])([F:52])[F:53])[CH:50]=1)[C:45]([N:24]1[CH2:25][CH2:26][N:27]([C:9]([O:8][CH2:1][C:2]2[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=2)=[O:10])[CH2:28][CH:23]1[CH2:22][C:21]1[CH:29]=[CH:30][C:31]([CH3:32])=[C:19]([O:18][CH2:17][O:16][CH2:15][CH2:14][O:13][CH3:12])[CH:20]=1)=[O:46]
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 4

HCID 8471TriethylamineHCID 10387Benzyl chloroformateHCID 1018563,5-Bis(trifluoromethyl)benzoyl chlorideHCID 179640282-[3-[(2-Methoxyethoxy)methoxy]-4-methylbenzyl]piperazine

生成物 1

HCID 179642461-[3,5-Bis(trifluoromethyl)benzoyl]-4-(benzyloxycarbonyl)-2-[3-[(2-methoxyethoxy)methoxy]-4-methylbenzyl]piperazine

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒3 回

実験手順

A solution of benzyloxycarbonyl chloride (0.75 g) in dichloromethane (1 ml) was added dropwise over 5 minutes to an ice-cooled solution of 2-[3-[(2-methoxyethoxy)methoxy]-4-methylbenzyl]piperazine (1.27 g) obtained by above procedure and triethylamine (2.2 ml) in dichloromethane (10 ml) below 5° C. After the mixture was stirred for 30 minutes at the same temperature, a solution of 3,5-bis(trifluoromethyl)-benzoyl chloride (0.93 ml) in dichloromethane (1.0 ml) was added dropwise to the mixture over 10 minutes below 5° C. After being stirred for 30 minutes at the same temperature, the reaction mixture was washed with brine, dried over magnesium sulfate and evaporated under reduced pressure. The residue was purified by column chromatography on silica gel using mixed solvents of toluene and ethyl acetate (5:1). The fractions containing the objective compound were collected and evaporated under reduced pressure to give 1-[3,5-bis(trifluoromethyl)benzoyl]-4-(benzyloxycarbonyl)-2-[3-[(2-methoxyethoxy)methoxy]-4-methylbenzyl]piperazine (1.61 g) as an oil.

後処理

  1. stirringAfter being stirred for 30 minutes at the same temperature
  2. washthe reaction mixture was washed with brine
  3. dry with materialdried over magnesium sulfate
  4. customevaporated under reduced pressure
  5. customThe residue was purified by column chromatography on silica gel using
  6. additionmixed solvents of toluene and ethyl acetate (5:1)
  7. additionThe fractions containing the objective compound
  8. customwere collected
  9. customevaporated under reduced pressure

出典と根拠

ORDレコード
ord-6dc9d51ce4b544dcb9f552d108498e4c
出典データセット
uspto-grants-2007_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07166598B2

反応ノート

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