Rhodium/Phosphine/Amine⋅HBr Catalyst System for Highly Selective Cross-Cyclodimerization of Aryl- and Alkylalkynes: Efficient Access to Multisubstituted Naphthalene Derivatives

Trinity: The combination of rhodium/phosphine/amine⋅HBr enables the highly selective catalytic cross‐cyclodimerization of diarylacetylenes with aliphatic alkynes to afford the corresponding multiply substituted naphthalenes in good‐to‐high yields. The catalyst system also allows the use of some alke...

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Published inChemistry : a European journal Vol. 16; no. 2; pp. 445 - 449
Main Authors Sakabe, Koichi, Tsurugi, Hayato, Hirano, Koji, Satoh, Tetsuya, Miura, Masahiro
Format Journal Article
LanguageEnglish
Published Weinheim WILEY-VCH Verlag 11.01.2010
WILEY‐VCH Verlag
Subjects
alkynes
cross-cyclodimerization
dihydronaphthalenes
naphthalenes
rhodium
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Summary:Trinity: The combination of rhodium/phosphine/amine⋅HBr enables the highly selective catalytic cross‐cyclodimerization of diarylacetylenes with aliphatic alkynes to afford the corresponding multiply substituted naphthalenes in good‐to‐high yields. The catalyst system also allows the use of some alkenes as the coupling partners, which provides a facile route to highly functionalized dihydronaphthalenes (see scheme).
Bibliography:ArticleID:CHEM200902519
istex:1312FD8B63FD564694E1A900D9117C3540C1A72B
Ministry of Education, Culture, Sports, Science, and Technology, Japan
ark:/67375/WNG-V9T85G6H-D
ISSN:0947-6539
1521-3765
DOI:10.1002/chem.200902519