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Volumn , Issue 2, 1999, Pages 231-233

Novel approach to 6-chromanols via photochemical benzannulation of α- exo-benzylidene-2-oxacyclohexylidene chromium complexes

Author keywords

6 chromanols; Benzannulation; Carbene complexes; Chromium; Photochemistry

Indexed keywords

ALCOHOL; CHROMIUM DERIVATIVE;

EID: 0342302413     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-1999-2572     Document Type: Article
Times cited : (10)

References (40)
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    • note
    • 6 (364.27): calcd. C 56.05; H 3.32; found C 55.89; H 3.25. General Procedure for the Photochemical Benzannulation of Carbene Complex 2: A solution of 1 mmol of carbene complex and 5 mmol of alkyne in 60 ml of tetrahydrofuran was irradiated for 30 min at -20 °C using a mercury vapor lamp (Phillips 125 HPK) and quartz glassware. A color change from purple to brownish yellow occurred. After evaporation of the solvent the residue was chromatographed on silica gel using petroleum ether/diethyl ether mixtures as eluent to give the pure 2,3-dihydro-6-benzopyranols as yellow oils.
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.