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1-Hydroxybenzotriazole → 2-[3-chloro-4-(methylsulfonyl)phenyl]-3-[(2R,3R,7R)-2,3-diphenyl-1,4-dioxaspiro[4.4]non-7-yl]-N-methoxy-N-methylpropaneamide

HRID 1881905
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HRID 1881905 반응식
Cl.[CH3:2][O:3][NH:4][CH3:5].[Cl:6][C:7]1[CH:8]=[C:9]([CH:17]([CH2:21][C@H:22]2[CH2:42][CH2:41][C:24]3([O:28][C@H:27]([C:29]4[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=4)[C@@H:26]([C:35]4[CH:40]=[CH:39][CH:38]=[CH:37][CH:36]=4)[O:25]3)[CH2:23]2)[C:18]([OH:20])=O)[CH:10]=[CH:11][C:12]=1[S:13]([CH3:16])(=[O:15])=[O:14].Cl.CN(C)CCCN=C=NCC.ON1C2C=CC=CC=2N=N1>C(#N)C.C(OCC)(=O)C.C(N(CC)CC)C>[Cl:6][C:7]1[CH:8]=[C:9]([CH:17]([CH2:21][C@H:22]2[CH2:42][CH2:41][C:24]3([O:28][C@H:27]([C:29]4[CH:30]=[CH:31][CH:32]=[CH:33][CH:34]=4)[C@@H:26]([C:35]4[CH:40]=[CH:39][CH:38]=[CH:37][CH:36]=4)[O:25]3)[CH2:23]2)[C:18]([N:4]([O:3][CH3:2])[CH3:5])=[O:20])[CH:10]=[CH:11][C:12]=1[S:13]([CH3:16])(=[O:15])=[O:14]
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참가 물질

8

반응물 4

HCID 757711-HydroxybenzotriazoleHCID 81138Methanamine, N-methoxy-, hydrochloride (1:1)HCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 593314112-[3-chloro-4-(methylsulfonyl)phenyl]-3-[(2R,3R,7R)-2,3-diphenyl-1,4-dioxaspiro[4.4]non-7-yl]propanoic acid

생성물 1

HCID 59331587
2-[3-chloro-4-(methylsulfonyl)phenyl]-3-[(2R,3R,7R)-2,3-diphenyl-1,4-dioxaspiro[4.4]non-7-yl]-N-methoxy-N-methylpropaneamide
수율 69%

시약·촉매·용매 3

HCID 6342Acetonitrile용매HCID 8471Triethylamine용매HCID 8857Ethyl Acetate용매

실험 절차

A solution of N-methoxymethanamine hydrochloride (936 mg) in acetonitrile (40 mL) was neutralized with triethylamine (3.35 mL), and 2-[3-chloro-4-(methylsulfonyl)phenyl]-3-[(2R,3R,7R)-2,3-diphenyl-1,4-dioxaspiro[4.4]non-7-yl]propanoic acid (4.33 g), N-[3-(dimethylamino)propyl]-N′-ethylcarbodiimide hydrochloride (2.30 g) and 1-hydroxybenzotriazole (612 mg) were added under ice-cooling. The reaction mixture was stirred overnight at room temperature, diluted with ethyl acetate, and washed with water and saturated aqueous sodium hydrogen carbonate. The ethyl acetate layer was dried (MgSO4) and concentrated. The residue was subjected to silica gel column chromatography, and the title compound (3.05 g, yield 69%) was obtained as a colorless amorphous solid from a fraction eluted with ethyl acetate-hexane (3:1, volume ratio).

후처리

  1. additionwere added under ice-
  2. temperaturecooling
  3. washwashed with water and saturated aqueous sodium hydrogen carbonate
  4. dry with materialThe ethyl acetate layer was dried (MgSO4)
  5. concentrationconcentrated

출처 및 근거

ORD 기록
ord-e36f0a7231014d4eb6cfcaacbed0fd58
출처 데이터셋
uspto-grants-2012_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08318746B2

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