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llms.txt · MCP 가이드개인정보처리방침 · 이용약관 · 지원v1.8.0
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Triethylamine → rac-2,2-dimethyl propionic acid (1R*,2R*,4R*)-2-(2-{[3-(4-methoxy-1H-benzoimidazol-2-yl)-propyl]-methyl-amino}-ethyl)-5-phenyl-bicyclo[2.2.2]oct-5-en-2-yl ester

HRID 220302
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HRID 220302 반응식
[CH3:1][O:2][C:3]1[C:11]2[N:10]=[C:9]([CH2:12][CH2:13][CH2:14][N:15]([CH3:33])[CH2:16][CH2:17][C:18]3([OH:32])[CH2:23][CH:22]4[CH2:24][CH2:25][CH:19]3[CH:20]=[C:21]4[C:26]3[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=3)[NH:8][C:7]=2[CH:6]=[CH:5][CH:4]=1.CCN(CC)CC.[C:41](Cl)(=[O:46])[C:42]([CH3:45])([CH3:44])[CH3:43]>C(Cl)Cl.C1COCC1.CN(C1C=CN=CC=1)C>[CH3:1][O:2][C:3]1[C:11]2[N:10]=[C:9]([CH2:12][CH2:13][CH2:14][N:15]([CH3:33])[CH2:16][CH2:17][C@:18]3([O:32][C:41](=[O:46])[C:42]([CH3:45])([CH3:44])[CH3:43])[CH2:23][C@H:22]4[CH2:24][CH2:25][C@@H:19]3[CH:20]=[C:21]4[C:26]3[CH:27]=[CH:28][CH:29]=[CH:30][CH:31]=3)[NH:8][C:7]=2[CH:6]=[CH:5][CH:4]=1
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참가 물질

7

반응물 3

HCID 8471Triethylamine2회HCID 62493Pivaloyl chloride2회HCID 68412969rac-(1R*,2R*,4R*)-2-(2-{[3-(4-methoxy-1H-benzoimidazol-2-yl)-propyl]-methyl-amino}-ethyl)-5-phenyl-bicyclo[2.2.2]oct-5-en-2-ol

생성물 1

HCID 91398129rac-2,2-dimethyl propionic acid (1R*,2R*,4R*)-2-(2-{[3-(4-methoxy-1H-benzoimidazol-2-yl)-propyl]-methyl-amino}-ethyl)-5-phenyl-bicyclo[2.2.2]oct-5-en-2-yl ester

시약·촉매·용매 3

HCID 142844-(Dimethylamino)pyridine촉매
HCID 6344Dichloromethane용매
HCID 8028Tetrahydrofuran용매

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온도
0 °C

실험 절차

To a solution of 150 mg of rac-(1R*,2R*,4R*)-2-(2-{[3-(4-methoxy-1H-benzoimidazol-2-yl)-propyl]-methyl-amino}-ethyl)-5-phenyl-bicyclo[2.2.2]oct-5-en-2-ol in 2 mL DCM and 2 mL THF were added 0.21 mL of NEt3 and 41 mg of DMAP. The reaction mixture was cooled to 0° C., 0.17 mL of pivaloyl chloride were added and it was then stirred at 65° C. for 24 h. During the next 4 days further 0.52 mL of NEt3 and 0.41 mL of pivaloyl chloride were added in small aliquots. The reaction was quenched with sat. aq. NaHCO3, extracted with DCM, dried and concentrated in vacuo. Purification by CC using DCM-MeOH (10:1) yielded 40 mg of rac-2,2-dimethyl propionic acid (1R*,2R*,4R*)-2-(2-{[3-(4-methoxy-1H-benzoimidazol-2-yl)-propyl]-methyl-amino}-ethyl)-5-phenyl-bicyclo[2.2.2]oct-5-en-2-yl ester as brownish foam.

후처리

  1. customThe reaction was quenched with sat. aq. NaHCO3
  2. extractionextracted with DCM
  3. customdried
  4. concentrationconcentrated in vacuo
  5. customPurification by CC

출처 및 근거

ORD 기록
ord-369268f360f44479a2cf80dfdfaf84e3
출처 데이터셋
uspto-grants-2012_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08202885B2

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