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Triethylamine → (4R)-3-Methyl-N-[(1R,3S)-3-[(3R)-tetrahydrofuran-3-yl]-3-(4-[4-(trifluoromethyl)pyridin-2-yl]piperazin-1-ylcarbonyl)cyclopentyl]tetrahydro-2H-pyran-4-amine

HRID 270618
ノート
印刷プレビュー

反応式

HRID 270618 の反応式
Cl.Cl.[O:3]1[CH2:7][CH2:6][C@H:5]([C@:8]2([C:14]([N:16]3[CH2:21][CH2:20][N:19]([C:22]4[CH:27]=[C:26]([C:28]([F:31])([F:30])[F:29])[CH:25]=[CH:24][N:23]=4)[CH2:18][CH2:17]3)=[O:15])[CH2:12][CH2:11][C@@H:10]([NH2:13])[CH2:9]2)[CH2:4]1.[CH3:32][CH:33]1[C:38](=O)[CH2:37][CH2:36][O:35][CH2:34]1.C(N(CC)CC)C.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+]>C(Cl)Cl>[CH3:32][CH:33]1[C@H:38]([NH:13][C@@H:10]2[CH2:11][CH2:12][C@:8]([C@H:5]3[CH2:6][CH2:7][O:3][CH2:4]3)([C:14]([N:16]3[CH2:17][CH2:18][N:19]([C:22]4[CH:27]=[C:26]([C:28]([F:29])([F:31])[F:30])[CH:25]=[CH:24][N:23]=4)[CH2:20][CH2:21]3)=[O:15])[CH2:9]2)[CH2:37][CH2:36][O:35][CH2:34]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 4

HCID 8471TriethylamineHCID 5049666Sodium triacetoxyborohydrideHCID 141709263-Methyloxan-4-oneHCID 68596876(1R,3S)-3-[(3R)-tetrahydrofuran-3-yl]-3-(4-[4-(trifluoromethyl)pyridin-2-yl]piperazin-1-ylcarbonyl)cyclopentanamine dihydrochloride

生成物 1

HCID 68596739(4R)-3-Methyl-N-[(1R,3S)-3-[(3R)-tetrahydrofuran-3-yl]-3-(4-[4-(trifluoromethyl)pyridin-2-yl]piperazin-1-ylcarbonyl)cyclopentyl]tetrahydro-2H-pyran-4-amine
収率 12%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒

実験手順

To a solution of (1R,3S)-3-[(3R)-tetrahydrofuran-3-yl]-3-(4-[4-(trifluoromethyl)pyridin-2-yl]piperazin-1-ylcarbonyl)cyclopentanamine dihydrochloride (73.8 mg, 0.152 mmol), 3-methyltetrahydro-4H-pyran-4-one (52.1 mg, 0.456 mmol) and triethylamine (0.0848 mL, 0.608 mmol) in dry methylene chloride (4.1 mL) was added sodium triacetoxyborohydride (96.7 mg, 0.456 mmol). After being stirred at room temperature under N2, the reaction was quenched with aqueous NaHCO3 and diluted with CH2Cl2. The organic layer was separated and the aqueous layer was extracted with CH2Cl2 three times. The organics were combined, dried over MgSO4, filtered, concentrated and purified by silica gel chromatography (Combi-Flash system, 0 to 40% MeOH in EtOAc, gradient, 12 gram column) to provide the desired product (9.1 mg, 12%). MS calculated for C26H37F3N4O3: (M+H) 511.3; found 511.3.

後処理

  1. customthe reaction was quenched with aqueous NaHCO3
  2. additiondiluted with CH2Cl2
  3. customThe organic layer was separated
  4. extractionthe aqueous layer was extracted with CH2Cl2 three times
  5. dry with materialdried over MgSO4
  6. filtrationfiltered
  7. concentrationconcentrated
  8. custompurified by silica gel chromatography (Combi-Flash system, 0 to 40% MeOH in EtOAc, gradient, 12 gram column)

出典と根拠

ORDレコード
ord-8580acd0e57c4063810a54534ca919c9
出典データセット
uspto-grants-2008_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07449467B2

反応ノート

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