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Trimethylsilylacetylene → 2,2,2-Trifluoro-N-{2-methyl-5-[(trimethylsilyl)ethynyl]phenyl}acetamide

HRID 1157629
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HRID 1157629 반응식
Br[C:2]1[CH:3]=[CH:4][C:5]([CH3:15])=[C:6]([NH:8][C:9](=[O:14])[C:10]([F:13])([F:12])[F:11])[CH:7]=1.[CH3:16][Si:17]([C:20]#[CH:21])([CH3:19])[CH3:18]>C1COCC1.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.[Cu]I>[F:11][C:10]([F:13])([F:12])[C:9]([NH:8][C:6]1[CH:7]=[C:2]([C:21]#[C:20][Si:17]([CH3:19])([CH3:18])[CH3:16])[CH:3]=[CH:4][C:5]=1[CH3:15])=[O:14]
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6

반응물 2

HCID 66111TrimethylsilylacetyleneHCID 22637059N-(5-bromo-2-methylphenyl)-2,2,2-trifluoroacetamide

생성물 1

HCID 595114182,2,2-Trifluoro-N-{2-methyl-5-[(trimethylsilyl)ethynyl]phenyl}acetamide수율 67.6%

시약·촉매·용매 3

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)촉매
HCID 178418476
HCID 178418476, 화합물
촉매
HCID 8028Tetrahydrofuran용매2회

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온도
60 °C

실험 절차

To a solution of N-(5-bromo-2-methylphenyl)-2,2,2-trifluoroacetamide (15 g, 54 mmol) in THF (300 mL) was added Pd(PPh3)2Cl2 (3.79 g, 5.4 mmol), CuI (513 mg, 2.7 mmol) and TEA (23 mL, 162 mmol). The solution was heated to 60° C. A solution of trimethylsilylacetylene (11.5 mL, 81 mmol) in THF (200 mL) was added dropwise through an addition funnel over about 60 min. After 16 h, the reaction was concentrated onto silica gel and purified by column chromatography to give the desired product (10.92 g, 67%). 1H NMR (400 MHz, d6-DMSO) δ 10.97 (s, 1H), 7.35-7.30 (m, 3H), 2.18 (S, 3H), 0.21 (s, 9H) ppm.

후처리

  1. concentrationthe reaction was concentrated onto silica gel
  2. custompurified by column chromatography

출처 및 근거

ORD 기록
ord-a8bdf5e0cba14687a84ea6822bdfaf17
출처 데이터셋
uspto-grants-2010_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07807673B2

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