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Triethylamine → 2-(Difluoromethyl)-N-[(1S,2S)-2-{[5-(trifluoromethyl)pyrazin-2-yl]amino}cyclopentyl]benzamide

HRID 1750632
ノート
印刷プレビュー

反応式

HRID 1750632 の反応式
Cl.[F:2][C:3]([F:18])([F:17])[C:4]1[N:5]=[CH:6][C:7]([NH:10][C@H:11]2[CH2:15][CH2:14][CH2:13][C@@H:12]2[NH2:16])=[N:8][CH:9]=1.[F:19][CH:20]([F:30])[C:21]1[CH:29]=[CH:28][CH:27]=[CH:26][C:22]=1[C:23](O)=[O:24].C(N(CC)CC)C.O1POPOP1>C(Cl)Cl>[F:19][CH:20]([F:30])[C:21]1[CH:29]=[CH:28][CH:27]=[CH:26][C:22]=1[C:23]([NH:16][C@H:12]1[CH2:13][CH2:14][CH2:15][C@@H:11]1[NH:10][C:7]1[CH:6]=[N:5][C:4]([C:3]([F:2])([F:17])[F:18])=[CH:9][N:8]=1)=[O:24]
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 114992922-(difluoromethyl)benzoic AcidHCID 203981951,3,5,2,4,6-Trioxatriphosphinane2 回HCID 118308118(1S,2S)-1-N-[5-(Trifluoromethyl)pyrazin-2-yl]cyclopentane-1,2-diamine hydrochloride2 回

生成物 1

HCID 1183081232-(Difluoromethyl)-N-[(1S,2S)-2-{[5-(trifluoromethyl)pyrazin-2-yl]amino}cyclopentyl]benzamide

試薬・触媒・溶媒

1
HCID 6344Dichloromethane溶媒

実験手順

To a solution of (1S,2S)-1-N-[5-(trifluoromethyl)pyrazin-2-yl]cyclopentane-1,2-diamine hydrochloride (Intermediate 14; 100 mg, 0.35 mmol), 2-(difluoromethyl)benzoic acid (CAS number 799814-32-7; 61 mg, 0.35 mmol) and triethylamine (0.148 ml, 1.06 mmol) in DCM (2 ml) was added 1,3,5,2,4,6-trioxatriphosphorinane, 2,4,6-tripropyl-, 2,4,6-trioxide (CAS number 68957-94-8; 50% in ethyl acetate, 0.417 ml, 0.71 mmol). The reaction mixture was stirred at room temperature for 3 hours. To this was then added further 1,3,5,2,4,6-trioxatriphosphorinane, 2,4,6-tripropyl-, 2,4,6-trioxide (CAS number 68957-94-8; 50% in ethyl acetate, 0.417 ml, 0.71 mmol) and stirred at room temperature overnight. The reaction was partitioned between DCM and a saturated solution of sodium bicarbonate, filtered through a hydrophobic frit and concentrated in vacuo. The resulting residue was purified by column chromatography (silica, 0-100% ethyl acetate/petrol) and then triturated with diethyl ether to afford the title compound.

後処理

  1. stirringstirred at room temperature overnight
  2. customThe reaction was partitioned between DCM
  3. filtrationa saturated solution of sodium bicarbonate, filtered through a hydrophobic frit
  4. concentrationconcentrated in vacuo
  5. customThe resulting residue was purified by column chromatography (silica, 0-100% ethyl acetate/petrol)
  6. customtriturated with diethyl ether

出典と根拠

ORDレコード
ord-e5ba45e7dbb24e24b55ed3e03b6ba32e
出典データセット
uspto-grants-2015_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09156829B2

反応ノート

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