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Trifluoroacetic acid → (S)-1-[2-(4,4-dimethylcyclohexyl)-4-(3-methoxypiperidin-1-yl)phenyl]piperazine

HRID 2218809
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인쇄 미리보기

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HRID 2218809 반응식
C(OC([N:8]1[CH2:13][CH2:12][N:11]([C:14]2[CH:19]=[CH:18][C:17]([N:20]3[CH2:25][CH2:24][CH2:23][C@H:22]([O:26][CH3:27])[CH2:21]3)=[CH:16][C:15]=2[CH:28]2[CH2:33][CH2:32][C:31]([CH2:36]C)([CH2:34]C)[CH2:30][CH2:29]2)[CH2:10][CH2:9]1)=O)(C)(C)C.FC(F)(F)C(O)=O.C(=O)([O-])[O-].[K+].[K+]>ClCCl.O>[CH3:34][C:31]1([CH3:36])[CH2:30][CH2:29][CH:28]([C:15]2[CH:16]=[C:17]([N:20]3[CH2:25][CH2:24][CH2:23][C@H:22]([O:26][CH3:27])[CH2:21]3)[CH:18]=[CH:19][C:14]=2[N:11]2[CH2:10][CH2:9][NH:8][CH2:13][CH2:12]2)[CH2:33][CH2:32]1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 6422Trifluoroacetic acidHCID 11430Potassium CarbonateHCID 59769434(S)-4-[2-(4,4-Diethylcyclohexyl)-4-(3-methoxypiperidin-1-yl)phenyl]piperazine-1-carboxylic acid t-butyl ester

생성물 1

HCID 69279865(S)-1-[2-(4,4-dimethylcyclohexyl)-4-(3-methoxypiperidin-1-yl)phenyl]piperazine

시약·촉매·용매 2

HCID 962Water촉매
HCID 6344
Dichloromethane
용매

실험 절차

(S)-4-[2-(4,4-Diethylcyclohexyl)-4-(3-methoxypiperidin-1-yl)phenyl]piperazine-1-carboxylic acid t-butyl ester (59 mg, 0.1148 mmol) produced in Example (50b) was dissolved in a mixed solvent of dichloromethane (0.7 mL)-water (1 drop). Trifluoroacetic acid (0.177 mL, 2.296 mmol) was added thereto followed by stirring for 15 hours and 20 minutes under the same conditions. Aqueous solution of potassium carbonate was added to the reaction mixture to make the mixture basic. The mixture was then extracted with ethyl acetate. The separated organic layer was concentrated under reduced pressure to give a crude product of (S)-1-[2-(4,4-dimethylcyclohexyl)-4-(3-methoxypiperidin-1-yl)phenyl]piperazine as a brown oil. This was directly used without purification for the following reaction.

후처리

  1. extractionThe mixture was then extracted with ethyl acetate
  2. concentrationThe separated organic layer was concentrated under reduced pressure

출처 및 근거

ORD 기록
ord-72955be5cff14482850358c78d39875e
출처 데이터셋
uspto-grants-2008_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07410971B2

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