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Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
HRID 278663생성일: 2026년 10월 26일

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

https://huagongshe.com/reaction/278663

반응식

참여 물질

역할이름HCID투입량
반응물TriethylamineHCID 8471—
반응물Ethyl AcetateHCID 8857—
반응물2,2,4,4-Tetramethyl-6-ethynylchromanHCID 15661138—
반응물Ethyl 2-fluoro-4-iodophenylacetateHCID 18740710—
촉매Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)HCID 24350—
촉매HCID 178418476HCID 178418476—
용매HexaneHCID 8058—
생성물[2-Fluoro-4-(2,2,4,4-tetramethyl-chroman-6-ylethynyl) phenyl]acetic acid ethyl esterHCID 69548829—

반응 단계

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%).

출처 및 근거

DOI10.6084/m9.figshare.5104873.v1
특허 번호US06359135B1
출처 데이터셋uspto-grants-2002_03
ORD IDord-e59692c8725f43bdad054c227a3c18c3
출처 메모uspto-grants-2002_03