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2-Furancarboxylic acid, hydrazide → (RS)-2-{2-[N'-(1-Furan-2-yl-methanoyl)-hydrazino]-2-oxo-ethyl}-piperidine-1-carboxylic acid tert butyl ester

HRID 30169
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HRID 30169 반응식
[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][CH2:11][CH2:10][CH:9]1[CH2:14][C:15]([OH:17])=O)=[O:7])([CH3:4])([CH3:3])[CH3:2].F[P-](F)(F)(F)(F)F.N1(OC(N(C)C)=[N+](C)C)C2N=CC=CC=2N=N1.C(N(C(C)C)CC)(C)C.[O:51]1[CH:55]=[CH:54][CH:53]=[C:52]1[C:56]([NH:58][NH2:59])=[O:57]>CN(C)C=O.O>[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][CH2:11][CH2:10][CH:9]1[CH2:14][C:15]([NH:59][NH:58][C:56]([C:52]1[O:51][CH:55]=[CH:54][CH:53]=1)=[O:57])=[O:17])=[O:7])([CH3:2])([CH3:3])[CH3:4]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 187312-Furancarboxylic acid, hydrazideHCID 81531DiisopropylethylamineHCID 50585361-Boc-2-Piperidineacetic AcidHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)

생성물 1

HCID 86629004(RS)-2-{2-[N'-(1-Furan-2-yl-methanoyl)-hydrazino]-2-oxo-ethyl}-piperidine-1-carboxylic acid tert butyl ester
수율 71%

시약·촉매·용매 2

HCID 962Water용매HCID 6228Dimethylformamide용매

실험 절차

2-Carboxymethyl-piperidine-1-carboxylic acid tert butyl ester (2.0 g) was added to [O-(7-azabenzotriazol-1-yl)-1,1,3,3-tetramethyluronium hexafluorophosphate] (3.13 g) in dimethylformamide (10 ml) containing diisopropylethylamine (3.2 g) and the mixture stirred for 15 min. 2-Furoic acid hydrazide (1.04 g) was then added and stirring continued for 16 h. The reaction mixture was diluted with water and extracted with diethyl ether. The combined ether extracts were washed with water, dried and solvent removed at reduced pressure the residue was column chromatographed (silica gel, 20-50% ethyl acetate/hexane) to give the title compound (2.05 g).

후처리

  1. stirringstirring
  2. waitcontinued for 16 h
  3. extractionextracted with diethyl ether
  4. washThe combined ether extracts were washed with water
  5. customdried
  6. customsolvent removed at reduced pressure the residue
  7. customchromatographed (silica gel, 20-50% ethyl acetate/hexane)

출처 및 근거

ORD 기록
ord-682631f3d77b44cdb9a2a4e47fe13c7b
출처 데이터셋
uspto-grants-2008_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07423052B2

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