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Acetic Acid → 4-[5-Amino-6-(5-phenyl-1,3,4-oxadiazol-2-yl)pyrazin-2-yl]cyclohex-3-en-1-one

HRID 1959443
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HRID 1959443 반응식
C(OC([N:8]([C:16]1[C:21]([C:22]2[O:23][C:24]([C:27]3[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=3)=[N:25][N:26]=2)=[N:20][C:19]([C:33]2[CH2:42][CH2:41][C:36]3(OCC[O:37]3)[CH2:35][CH:34]=2)=[CH:18][N:17]=1)C(=O)OC(C)(C)C)=O)(C)(C)C.CC(O)=O.O.[OH-].[Na+]>CCOC(C)=O>[NH2:8][C:16]1[N:17]=[CH:18][C:19]([C:33]2[CH2:42][CH2:41][C:36](=[O:37])[CH2:35][CH:34]=2)=[N:20][C:21]=1[C:22]1[O:23][C:24]([C:27]2[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=2)=[N:25][N:26]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 176Acetic AcidHCID 962WaterHCID 14798Sodium HydroxideHCID 66744206tert-butyl N-tert-butoxycarbonyl-N-[5-(1,4-dioxaspiro[4.5]dec-7-en-8-yl)-3-(5-phenyl-1,3,4-oxadiazol-2-yl)pyrazin-2-yl]carbamate

생성물 1

HCID 667447634-[5-Amino-6-(5-phenyl-1,3,4-oxadiazol-2-yl)pyrazin-2-yl]cyclohex-3-en-1-one수율 82%

시약·촉매·용매 1

HCID 8857Ethyl Acetate용매

실험 절차

A solution of tert-butyl N-tert-butoxycarbonyl-N-[5-(1,4-dioxaspiro[4.5]dec-7-en-8-yl)-3-(5-phenyl-1,3,4-oxadiazol-2-yl)pyrazin-2-yl]carbamate in (40 mg, 0.069 mmol) AcOH (832 mg, 788 μL, 13.85 mmol) and H2O (50 mg, 50 μL, 2.8 mmol) was heated at 80° C. for 2 h. The reaction mixture was diluted with 10 ml of EtOAc and pH was adjusted to 8 with 1N NaOH. The reaction mixture was washed with 20 ml of NaHCO3. The layers were separated and the organic layer was washed with brine, dried over Na2SO4, filtered and concentrated to obtain 4-[5-amino-6-(5-phenyl-1,3,4-oxadiazol-2-yl)pyrazin-2-yl]cyclohex-3-en-1-one (19 mg, 82%), which was used as crude for the next step. LC/MS m/z 334.0 [M+H]+.

후처리

  1. washThe reaction mixture was washed with 20 ml of NaHCO3
  2. customThe layers were separated
  3. washthe organic layer was washed with brine
  4. dry with materialdried over Na2SO4
  5. filtrationfiltered
  6. concentrationconcentrated

출처 및 근거

ORD 기록
ord-7c36baa8898d43be85d0a2108ca411ed
출처 데이터셋
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08410112B2

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