Synthesis of helicenes utilizing palladium-catalyzed double C-H arylation reaction.
[5]- and [6]helicenes were synthesized in moderate to good yields from Z,Z-bis(bromostilbene)s by palladium-catalyzed double C-H arylation reaction. This method can be applied to the syntheses of helicenes possessing electron-deficient substituents.
Kamikawa
Ken
K
Department of Chemistry, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan. kamikawa@c.s.osakafu-u.ac.jp
Takemoto
Ippei
I
Takemoto
Shin
S
Matsuzaka
Hiroyuki
H
D002384:Catalysis; D010165:Palladium / Q000737:chemistry; D011083:Polycyclic Compounds / Q000138:chemical synthesis*; D013267:Stilbenes / Q000737:chemistry
D011083:Polycyclic Compounds; D013267:Stilbenes; C031660:helicenes; D010165:Palladium