Diisopropylethylamine → N-[(3R)-1-Azabicyclo[2.2.2]oct-3-yl]-5-nitro-1-benzofuran-2-carboxamide

HRID 658188

반응식

HRID 658188 반응식
[N+:1]([C:4]1[CH:5]=[CH:6][C:7]2[O:11][C:10]([C:12]([OH:14])=O)=[CH:9][C:8]=2[CH:15]=1)([O-:3])=[O:2].Cl.Cl.[NH2:18][C@@H:19]1[CH:24]2[CH2:25][CH2:26][N:21]([CH2:22][CH2:23]2)[CH2:20]1.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.C(N(CC)C(C)C)(C)C>CN(C=O)C>[N:21]12[CH2:26][CH2:25][CH:24]([CH2:23][CH2:22]1)[C@@H:19]([NH:18][C:12]([C:10]1[O:11][C:7]3[CH:6]=[CH:5][C:4]([N+:1]([O-:3])=[O:2])=[CH:15][C:8]=3[CH:9]=1)=[O:14])[CH2:20]2

참가 물질

6

반응물 4

HCID 81531DiisopropylethylamineHCID 14771285-Nitrobenzofuran-2-carboxylic acidHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 12494972(R)-(+)-3-Aminoquinuclidine Dihydrochloride

생성물 1

HCID 59341432N-[(3R)-1-Azabicyclo[2.2.2]oct-3-yl]-5-nitro-1-benzofuran-2-carboxamide

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

1248 mg (6.03 mmol) of 5-nitrobenzofuran-2-carboxylic acid, 1000 mg (5.02 mmol) of (R)-3-aminoquinuclidine dihydrochloride, 2291 mg (6.03 mmol) of HATU, 2250 mg (18.08 mmol) of N,N-diisopropylethylamine and 15 ml of DMF are reacted according to the general procedure (variant B). DMF is removed under reduced pressure. The reaction mixture is taken up in methanol and stirred together with acidic ion exchange resin (Dowex WX2-200) for about 40 min. The loaded ion exchanger is washed six times with in each case 100 ml of methanol. It is then eluted using methanol/triethylamine 99:1 to 90:10. The solvent is removed under reduced pressure. The product is taken up in 1N aqueous sodium hydroxide solution and extracted three times with ethyl acetate. The extract is dried on magnesium sulfate. 1100 mg (69% of theory) of the title compound are isolated.

후처리

  1. customDMF is removed under reduced pressure
  2. washThe loaded ion exchanger is washed six times with in each case 100 ml of methanol
  3. washIt is then eluted
  4. customThe solvent is removed under reduced pressure
  5. extractionextracted three times with ethyl acetate
  6. customThe extract is dried on magnesium sulfate

출처 및 근거

ORD 기록
ord-ae53997cecfe4c168641f2849612c0f6
출처 데이터셋
uspto-grants-2011_12
특허 번호
US08076355B2

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