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Triethylamine → N-methoxy-N-methyl-2-(1-trityl-1H-imidazol-4-ylmethoxy)acetamide

HRID 1360137
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HRID 1360137 반응식
[C:1]([N:20]1[CH:24]=[C:23]([CH2:25][O:26][CH2:27][C:28](O)=[O:29])[N:22]=[CH:21]1)([C:14]1[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=1)([C:8]1[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.Cl.[CH3:32][NH:33][O:34][CH3:35].C(N(CC)CC)C>ClCCl>[CH3:35][O:34][N:33]([CH3:32])[C:28](=[O:29])[CH2:27][O:26][CH2:25][C:23]1[N:22]=[CH:21][N:20]([C:1]([C:14]2[CH:15]=[CH:16][CH:17]=[CH:18][CH:19]=2)([C:8]2[CH:9]=[CH:10][CH:11]=[CH:12][CH:13]=2)[C:2]2[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=2)[CH:24]=1
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참가 물질

5

반응물 3

HCID 8471TriethylamineHCID 81138Methanamine, N-methoxy-, hydrochloride (1:1)HCID 66781548(1-trityl-1H-imidazol-4-ylmethoxy)acetic acid

생성물 1

HCID 86632953N-methoxy-N-methyl-2-(1-trityl-1H-imidazol-4-ylmethoxy)acetamide

시약·촉매·용매 1

HCID 6344Dichloromethane용매2회

실험 절차

A solution of 4.03 mmol of (1-trityl-1H-imidazol-4-ylmethoxy)acetic acid and 4.44 mmol of N,O-dimethylhydroxylamine hydrochloride in 100 ml of dichloromethane is mixed with 20.2 mmol of triethylamine and 4.44 mmol of propanephosphonic acid cyclic anhydride [68957-94-8] (50% in ethyl acetate). The reaction mixture is stirred at room temperature for 3 hours and diluted with dichloromethane. The phases are separated and the organic phase is washed with 1M HCl and brine, dried with sodium sulphate and evaporated. The title compound is obtained as a pale yellowish solid from the residue by flash chromatography (SiO2 60F). Rf=0.45 (dichloromethane-methanol 95:5); Rt=4.11 (gradient I).

후처리

  1. customThe phases are separated
  2. washthe organic phase is washed with 1M HCl and brine
  3. dry with materialdried with sodium sulphate
  4. customevaporated

출처 및 근거

ORD 기록
ord-0c66118770eb4c99a0a7651d1994ac64
출처 데이터셋
uspto-grants-2011_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07879847B2

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