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Diisopropylethylamine → 1-tert-Butyl 4-methyl 4-aminopiperidine-1,4-dicarboxylate

HRID 891012
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HRID 891012 반응식
[NH2:1][C:2]1([C:15]([O-:17])=[O:16])[CH2:7][CH2:6][N:5]([C:8]([O:10][C:11]([CH3:14])([CH3:13])[CH3:12])=[O:9])[CH2:4][CH2:3]1.[CH:18](N(C(C)C)CC)(C)C.C[Si](C=[N+]=[N-])(C)C>C(#N)C.CO>[NH2:1][C:2]1([C:15]([O:17][CH3:18])=[O:16])[CH2:7][CH2:6][N:5]([C:8]([O:10][C:11]([CH3:12])([CH3:13])[CH3:14])=[O:9])[CH2:4][CH2:3]1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 81531DiisopropylethylamineHCID 167693TrimethylsilyldiazomethaneHCID 85702544HCID 85702544, 화합물

생성물 1

HCID 208719401-tert-Butyl 4-methyl 4-aminopiperidine-1,4-dicarboxylate수율 76%

시약·촉매·용매 2

HCID 887Methanol용매HCID 6342Acetonitrile
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실험 절차

4-Amino-1-tert-butoxycarbonylpiperidine-4-carboxylate (5 g) in acetonitrile (22 ml) and methanol (2 ml) was treated with diisopropylethylamine (3.65 ml) and trimethylsilyldiazomethane (2M in hexane, 13.9 ml). After overnight stirring and evaporation of solvent, the crude product was chromatographed on silica gel (0–50% ethyl acetate/petrol) to give a yellow oil (4 g, 76%).

후처리

  1. customevaporation of solvent
  2. customthe crude product was chromatographed on silica gel (0–50% ethyl acetate/petrol)

출처 및 근거

ORD 기록
ord-6245b5d095e54e22a47f4b2894917012
출처 데이터셋
uspto-grants-2006_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07001913B1

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