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Trifluoroacetic acid → HCID 10167188、化合物

HRID 967381
ノート
印刷プレビュー

反応式

HRID 967381 の反応式
C(O[C:6]([N:8]1[CH2:13][CH2:12][CH:11]([O:14][C:15]2[C:19]3[CH:20]=[CH:21][CH:22]=[CH:23][C:18]=3[O:17][N:16]=2)[CH2:10][CH2:9]1)=O)(C)(C)C.FC(F)(F)C(O)=O.[O:31]1C[CH:32]1[CH2:34][N:35]1[C:43]2[CH2:42][CH2:41][N:40]([C:44](=[O:46])[CH3:45])[CH2:39][C:38]=2[C:37]([C:47]2[CH:52]=[CH:51][C:50]([C:53]([F:56])([F:55])[F:54])=[CH:49][CH:48]=2)=[N:36]1>C(Cl)Cl>[O:17]1[C:18]2[CH:23]=[CH:22][CH:21]=[CH:20][C:19]=2[C:15]([O:14][CH:11]2[CH2:10][CH2:9][N:8]([CH2:6][CH:32]([OH:31])[CH2:34][N:35]3[C:43]4[CH2:42][CH2:41][N:40]([C:44](=[O:46])[CH3:45])[CH2:39][C:38]=4[C:37]([C:47]4[CH:52]=[CH:51][C:50]([C:53]([F:56])([F:55])[F:54])=[CH:49][CH:48]=4)=[N:36]3)[CH2:13][CH2:12]2)=[N:16]1
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 6422Trifluoroacetic acidHCID 222938171-[1-Oxiranylmethyl-3-(4-trifluoromethyl-phenyl)-1,4,6,7-tetrahydro-pyrazolo[4,3-c]pyridin-5-yl]-ethanoneHCID 691580111,1-Dimethylethyl 4-(1,2-benzisoxazol-3-yloxy)-1-piperidinecarboxylate

生成物 1

HCID 10167188HCID 10167188、化合物収率 68.5%

試薬・触媒・溶媒 1

HCID 6344
Dichloromethane
溶媒

反応条件

温度
60 °C

実験手順

A solution of 176 mg (0.55 mmol) of 4-(benzo[d]isoxazol-3-yloxy)-piperidine-1-carboxylic acid tert-butyl ester in CH2Cl2(2 mL) was treated with trifluoroacetic acid (0.5 mL) at room temperature overnight. The solvent was then removed and the crude product dissolved in methanol and stirred over 100 mg of sodium bicarbonate for 1 h, the solid was then filtered off and the filtrate concentrated. The crude piperidine was then dissolved in 4 mL EtOH and treated with 202 mg (0.55 mmol) of 1-[1-oxiranylmethyl-3-(4-trifluoromethyl-phenyl)-1,4,6,7-tetrahydro-pyrazolo[4,3-c]pyridin-5-yl]-ethanone The solution was heated to 60° C. overnight. The solvent was then removed by rotary evaporation and the crude product was purified by column chromatography (silica, 0-10% MeOH/EtOAc) to afford 220 mg (68%) of a white solid. MS (electrospray): exact mass calculated for C30H32F3N5O4, 583.24. m/z found, 584.2 [M+H]+. 1H NMR (CDCl3, 400 MHz, a mixture of amide rotamers): 7.77 (d, J=8.22 Hz, 1H), 7.69 (m, 2H), 7.66-7.61 (m, 2H), 7.54-7.49 (m, 1H), 7.41 (d, J=8.41 Hz, 1H), 7.28-7.23 (m, 1H), 4.93 (br m, 1H), 4.88 and 4.75 (A and B of AB quartet, J=15.65 Hz, 1H), 4.65 (br s, 1H), 4.24-4.18 (m, 0.75H), 4.18-4.09 (m, 1.25H), 4.07-3.98 (m, 1.5H), 3.91-3.79 (m, 0.5H), 3.79-3.67 (m, 1H), 3.02-2.85 (m, 2.4H), 2.85-2.70 (m, 1.6H), 2.61-2.52 (m, 1H), 2.51-2.40 (m, 2H), 2.39-2.30 (m, 1H), 2.24-2.12 (br m, 2H), 2.20 (s, 1.5H), 2.16 (s, 1.5H), 2.02-1.86 (m, 2H).

後処理

  1. customThe solvent was then removed
  2. dissolutionthe crude product dissolved in methanol
  3. filtrationthe solid was then filtered off
  4. concentrationthe filtrate concentrated
  5. dissolutionThe crude piperidine was then dissolved in 4 mL EtOH
  6. customThe solvent was then removed by rotary evaporation
  7. customthe crude product was purified by column chromatography (silica, 0-10% MeOH/EtOAc)

出典と根拠

ORDレコード
ord-88eac109bc274db691ccd68ccd665dc6
出典データセット
uspto-grants-2005_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06953793B2

反応ノート

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このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート