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Diisopropylethylamine → N-[(3R)-1-Azabicyclo[2.2.2]oct-3-yl]-6-bromo-1-benzofuran-2-carboxamide

HRID 2179564
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HRID 2179564 반응식
[Br:1][C:2]1[CH:13]=[CH:12][C:5]2[CH:6]=[C:7]([C:9]([OH:11])=O)[O:8][C:4]=2[CH:3]=1.Cl.Cl.[NH2:16][C@@H:17]1[CH:22]2[CH2:23][CH2:24][N:19]([CH2:20][CH2:21]2)[CH2:18]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>CO.CN(C=O)C>[N:19]12[CH2:24][CH2:23][CH:22]([CH2:21][CH2:20]1)[C@@H:17]([NH:16][C:9]([C:7]1[O:8][C:4]3[CH:3]=[C:2]([Br:1])[CH:13]=[CH:12][C:5]=3[CH:6]=1)=[O:11])[CH2:18]2
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 81531DiisopropylethylamineHCID 14744716-Bromo-1-benzofuran-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 59341401N-[(3R)-1-Azabicyclo[2.2.2]oct-3-yl]-6-bromo-1-benzofuran-2-carboxamide

시약·촉매·용매 2

HCID 887Methanol용매HCID 6228Dimethylformamide용매

실험 절차

3.8 g (15.77 mmol) of 6-bromobenzofuran-2-carboxylic acid (Example 1A), 3.14 g (15.77 mmol) of (R)-3-aminoquinuclidine dihydrochloride, 7.19 g (18.92 mmol) of HATU, 7.34 g (56.76 mmol) of N,N-diisopropylethylamine and 50 ml of DMF are reacted by general method C. The crude product is taken up in methanol and shaken together with acidic ion exchanger (Dowex® WX2-200) for about 20 min. The loaded ion exchanger is washed successively with methanol, dichloromethane and again with methanol. The product is eluted with methanol/triethylamine 90:10. The solvent is removed in a rotary evaporator under reduced pressure. Finally; the last residues of solvent are removed under high vacuum. 5.14 g (85% of theory) of the title compound are isolated. For analysis, a small amount is converted into the hydrochloride with 4N hydrogen chloride in dioxane.

후처리

  1. washThe loaded ion exchanger is washed successively with methanol, dichloromethane and again with methanol
  2. washThe product is eluted with methanol/triethylamine 90:10
  3. customThe solvent is removed in a rotary evaporator under reduced pressure
  4. customthe last residues of solvent are removed under high vacuum

출처 및 근거

ORD 기록
ord-472f0907ab4940ddb26b271a5675db1d
출처 데이터셋
uspto-grants-2015_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09067931B2

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