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초록
Treatment of a wide range of functionalized hydroxyallenic esters with 5 mol % Ph3PAuCl and 5 mol % AgOTf in CH2Cl2 at 25 degrees C for l h produced selectively 2-alkyl- and aryl-3-ethoxycarbony1-2,5-dihydrofurans in good to excellent yield through intramolecular hydroalkoxylation by a 5-endo mode.
키워드
RING-CLOSING METATHESIS; COUPLING-CYCLIZATION REACTION; EFFICIENT SYNTHESIS; STEREOSELECTIVE-SYNTHESIS; 2,5-DIHYDROFURAN DERIVATIVES; ALLENIC ALCOHOLS; ALLYLIC HALIDES; ALDEHYDES; CYCLOISOMERIZATION; DIHYDROFURANS
- 제목
- Synthesis of 2-Alkyl- and Ary1-3-ethoxycarbony1-2,5-dihydrofurans through Gold-Catalyzed Intramolecular Hydroalkoxylation
- 저자
- Eom, Dahan; Kang, Dongjin; Lee, Phil Ho
- 발행일
- 2010-11-05
- 유형
- Article
- 권
- 75
- 호
- 21
- 페이지
- 7447 ~ 7450