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Triphenylphosphine → Methyl 5-[5-(4-fluoro-phenyl)-3-methyl-3H-[1,2,3]triazol-4-ylmethoxy]-2-methyl-2H-pyrazole-3-carboxylate

HRID 2365216
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HRID 2365216 반응식
[F:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[N:12]=[N:11][N:10]([CH3:13])[C:9]=2[CH2:14][OH:15])=[CH:4][CH:3]=1.[CH3:16][O:17][C:18]([C:20]1[N:21]([CH3:26])[N:22]=[C:23](O)[CH:24]=1)=[O:19].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.N(C(OCC)=O)=NC(OCC)=O>C1COCC1>[F:1][C:2]1[CH:3]=[CH:4][C:5]([C:8]2[N:12]=[N:11][N:10]([CH3:13])[C:9]=2[CH2:14][O:15][C:23]2[CH:24]=[C:20]([C:18]([O:17][CH3:16])=[O:19])[N:21]([CH3:26])[N:22]=2)=[CH:6][CH:7]=1
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참가 물질

6

반응물 4

HCID 11776TriphenylphosphineHCID 220568ethyl N-ethoxycarbonyliminocarbamateHCID 67498408[5-(4-Fluoro-phenyl)-3-methyl-3H-[1,2,3]triazol-4-yl]-methanolHCID 178498598HCID 178498598, 화합물

생성물 1

HCID 67496027Methyl 5-[5-(4-fluoro-phenyl)-3-methyl-3H-[1,2,3]triazol-4-ylmethoxy]-2-methyl-2H-pyrazole-3-carboxylate수율 100%

시약·촉매·용매

1
HCID 8028Tetrahydrofuran용매

실험 절차

To a solution of [5-(4-fluoro-phenyl)-3-methyl-3H-[1,2,3]triazol-4-yl]-methanol (290 mg, 1.4 mmol) in THF (30 mL) was added 5-hydroxy-2-methyl-2H-pyrazole-3-carboxylic acid methyl ester (218 mg, 1.4 mmol) and triphenylphosphine (477 mg, 1.82 mmol) at ambient temperature under an argon atmosphere. Then diethyl azodicarboxylate (641 μL, 3.5 mmol) was added and the reaction mixture was stirred for 16 h at room temperature. Concentration and purification by chromatography (silica, 20 to 50% ethyl acetate in heptane) afforded the title compound (483 mg, 100%) as a white solid. MS: m/e=346.2 [M+H]+.

후처리

  1. concentrationConcentration and purification by chromatography (silica, 20 to 50% ethyl acetate in heptane)

출처 및 근거

ORD 기록
ord-396dddb6b5aa44a6a94bce2427b38b14
출처 데이터셋
uspto-grants-2014_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08697696B2

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