One-step ethynylation of silyl enol ether with chlorosilylethyne

Organic Letters

Volumn 4, Issue 13, 2002, Pages 2209-2211

  Arisawa, Mieko ^a   Amemiya, Ryo ^a   Yamaguchi, Masahiko ^a  

^a TOHOKU UNIVERSITY   (Japan)

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EID: 0038644271     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol026050l     Document Type: Article

References (17)

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17. 4. The extracts were passed through short silica gel column (hexane/diethyl ether = 10) and were concentrated. The residue was purified by flash column chromatography (Kanto Chemical, silica gel 60 N (spherical, neutral), 40-100 μm, hexane/ethyl acetate = 400) at -78°C to give 2-pentyl-1-phenyl-3-butyn-1-one (91 mg, 85%).