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Triethylamine → 2-Fluoro-4(2,2,4,4-tetramethyl-chroman-6yl-ethynyl)-benzoic acid methyl ester

HRID 278661
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HRID 278661 반응식
[C:1]([C:3]1[CH:4]=[C:5]2[C:10](=[CH:11][CH:12]=1)[O:9][C:8]([CH3:14])([CH3:13])[CH2:7][C:6]2([CH3:16])[CH3:15])#[CH:2].[CH3:17][O:18][C:19](=[O:28])[C:20]1[CH:25]=[CH:24][C:23](I)=[CH:22][C:21]=1[F:27].C(N(CC)CC)C.C(OCC)(=O)C>CCCCCC.[Cu]I.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1>[CH3:17][O:18][C:19](=[O:28])[C:20]1[CH:25]=[CH:24][C:23]([C:2]#[C:1][C:3]2[CH:4]=[C:5]3[C:10](=[CH:11][CH:12]=2)[O:9][C:8]([CH3:14])([CH3:13])[CH2:7][C:6]3([CH3:16])[CH3:15])=[CH:22][C:21]=1[F:27]
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참가 물질

8

반응물 4

HCID 8471TriethylamineHCID 8857Ethyl AcetateHCID 156611382,2,4,4-Tetramethyl-6-ethynylchromanHCID 22568800Methyl 2-fluoro-4-iodobenzoate2회

생성물 1

HCID 695488832-Fluoro-4(2,2,4,4-tetramethyl-chroman-6yl-ethynyl)-benzoic acid methyl ester

시약·촉매·용매 3

HCID 24350
Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)
촉매
HCID 178418476HCID 178418476, 화합물촉매
HCID 8058Hexane용매

실험 절차

Following general procedure F and using 6-ethynyl-2,2,4,4-tetramethylchroman (0.11 g, 0.51 mmol), methyl-2-fluoro-4-iodo-benzoate (Reagent G, 0.14 g, 0.51 mmol), triethyl amine (5 mL), tetrahydrofiran(10 mL), copper(I)iodide(0.030 g, 0.16 mmol) and dichlorobis(triphenylphosphine)palladium(II) (0.110 g, 0.16 mmol) followed by flash column chromatography over silica gel (230-400 mesh) using 5-10% ethyl acetate in hexane as the eluent, the title compound was obtained (0.14 g, 79%).

출처 및 근거

ORD 기록
ord-ab0f9b0c553e47fb903dc46c0ef3cdc2
출처 데이터셋
uspto-grants-2002_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06359135B1

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