An improved procedure for phenylselenoet
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Zorica M. Bugarčić; Biljana M. Mojsilović
📂
Article
📅
2004
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John Wiley and Sons
🌐
English
⚖ 66 KB
## Abstract An improved procedure for intramolecular cyclization of some Δ^5^‐alkenols, using PhSeX (X = Cl, Br) has been developed. We found that cyclization can be facilitated in the presence of pyridine, Ag~2~O, and some Lewis acids as catalysts. Thus catalytic amount of additives (pyridine and