A new pathway for the preparation of diaryl acetylenes

A simple method for the preparation of diaryl acetylenes in yields up to 61% from aryl bromides and 1-bromo-2-chloroethane using the palladium catalyst (dppb)Pd(OAc) 2 under PTC conditions (solid KOH/18-crown-6) has been developed. Graphic

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Bibliographic Details
Published inTetrahedron letters Vol. 44; no. 20; pp. 3911 - 3913
Main Authors Abele, Edgars, Abele, Ramona, Arsenyan, Pavel, Lukevics, Edmunds
Format Journal Article
LanguageEnglish
Published OXFORD Elsevier Ltd 12.05.2003
Elsevier
Subjects
acetylene
aryl bromides
Chemistry
Chemistry, Organic
palladium catalysis
phase transfer catalysis
Physical Sciences
Science & Technology
palladium catalysis
phase transfer catalysis
aryl bromides
acetylene
PALLADIUM
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Summary:A simple method for the preparation of diaryl acetylenes in yields up to 61% from aryl bromides and 1-bromo-2-chloroethane using the palladium catalyst (dppb)Pd(OAc) 2 under PTC conditions (solid KOH/18-crown-6) has been developed. Graphic
ISSN:0040-4039
1873-3581
DOI:10.1016/S0040-4039(03)00832-3