Triethylamine → [2-Fluoro-4-(2,2,4,4-tetramethyl-chroman-6-ylethynyl) phenyl]acetic acid ethyl ester

HRID 278663

反応式

HRID 278663 の反応式
[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].[CH2:17]([O:19][C:20](=[O:30])[CH2:21][C:22]1[CH:27]=[CH:26][C:25](I)=[CH:24][C:23]=1[F:29])[CH3:18].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>[CH2:17]([O:19][C:20](=[O:30])[CH2:21][C:22]1[CH:27]=[CH:26][C:25]([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:24][C:23]=1[F:29])[CH3:18]

参加物

8

実験手順

Following general procedure F and using 6-ethynyl-2,2,4,4-tetramethylchroman (0.204 g, 0.95 mmol), ethyl-2-fluoro-4-iodo phenyl acetate (Reagent C, 0.263 g, 0.86 mmol), triethyl amine, tetrahydrofiran, copper(I)iodide (0.025 g, 0.13 mmol) and dichlorobis(triphenylphosphine)palladium(II) (0.075 g, 0.11 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 (0.21 g, 62%).

出典と根拠

ORDレコード
ord-e59692c8725f43bdad054c227a3c18c3
出典データセット
uspto-grants-2002_03
特許番号
US06359135B1

関連ノート

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