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Dichloromethane → (E)-3-[4-(3-dimethylamino-prop-1-ynyl)-phenyl]-3-phenyl-acrylic acid ethyl ester

HRID 549903
ノート
印刷プレビュー

反応式

HRID 549903 の反応式
[CH2:1]([O:3][C:4](=[O:20])/[CH:5]=[C:6](/[C:13]1[CH:18]=[CH:17][C:16](Br)=[CH:15][CH:14]=1)\[C:7]1[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=1)[CH3:2].[CH3:21][N:22]([CH3:26])[CH2:23][C:24]#[CH:25].ClCCl>C(N(CC)CC)C.[Pd](Cl)Cl.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.[Cu]I>[CH2:1]([O:3][C:4](=[O:20])/[CH:5]=[C:6](/[C:13]1[CH:18]=[CH:17][C:16]([C:25]#[C:24][CH2:23][N:22]([CH3:26])[CH3:21])=[CH:15][CH:14]=1)\[C:7]1[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=1)[CH3:2]
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 3

HCID 6344DichloromethaneHCID 81643N,N-DimethylpropargylamineHCID 20768012(E)-3-(4-bromo-phenyl)-3-phenyl-acrylic acid ethyl ester

生成物 1

HCID 67145970(E)-3-[4-(3-dimethylamino-prop-1-ynyl)-phenyl]-3-phenyl-acrylic acid ethyl ester

試薬・触媒・溶媒 3

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)触媒
HCID 6102075
Dichlorobis(triphenylphosphine)palladium
触媒
HCID 8471Triethylamine溶媒

実験手順

A solution of (E)-3-(4-bromo-phenyl)-3-phenyl-acrylic acid ethyl ester (0.728 g, 2.2 mmol), dimethyl-prop-2-ynyl-amine (0.56 ml, 6.58 mmol), bis(triphenylphosphine) palladium(II) chloride (0.061 g, 0.088 mmol), copper(I) iodide (1.25 mg, 0.0065 mmol) in dry triethylamine (7 ml) were heated to 100° C. by microwave irradiation for 20 min. To the cooled reaction mixture was added dichloromethane (20 ml) and silica gel Fluka 60 (5 g) and the reaction mixture was evaporated in vacuo. The residue was purified by ISCO combiflash 16 (silica gel, hexane/ethyl acetate 85:15) giving (E)-3-[4-(3-dimethylamino-prop-1-ynyl)-phenyl]-3-phenyl-acrylic acid ethyl ester as an oil.

後処理

  1. customTo the cooled reaction mixture
  2. customthe reaction mixture was evaporated in vacuo
  3. customThe residue was purified by ISCO combiflash 16 (silica gel, hexane/ethyl acetate 85:15)

出典と根拠

ORDレコード
ord-3ba5d4dd85c74d1b979447045dfc60a6
出典データセット
uspto-grants-2011_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07943613B2

反応ノート

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