Cover Picture: Direct Arylation of Porphyrins with π‐Extended Aryl Bromides under Ligand‐free Fagnou–Hartwig Conditions (Asian J. Org. Chem. 4/2013)
Cover Picture: Direct Arylation of Porphyrins with π‐Extended Aryl Bromides under Ligand‐free...
Yamamoto, Yutaro; Tokuji, Sumito; Tanaka, Takayuki; Yorimitsu, Hideki; Osuka, Atsuhiro
2013-04-01 00:00:00
Transition‐metal‐catalyzed direct CH arylations have emerged as ideally efficient transformations in organic synthesis. In their Full Paper on page 320 ff, Atsuhiro Osuka et al. report palladium‐catalyzed, β‐selective, direct arylations of 5,10,15‐triarylporphyrins with π‐extended aryl bromides, such as 2‐bromonaphthalene and 9‐bromoanthracene. The β‐arylation of the porphyrins proceeds without any additional phosphine ligands and is, thus, an efficient and user‐friendly arylation of the porphyrin core.
http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.pngAsian Journal of Organic ChemistryWileyhttp://www.deepdyve.com/lp/wiley/cover-picture-direct-arylation-of-porphyrins-with-extended-aryl-zNTTFKY0Jb
Cover Picture: Direct Arylation of Porphyrins with π‐Extended Aryl Bromides under Ligand‐free Fagnou–Hartwig Conditions (Asian J. Org. Chem. 4/2013)
Transition‐metal‐catalyzed direct CH arylations have emerged as ideally efficient transformations in organic synthesis. In their Full Paper on page 320 ff, Atsuhiro Osuka et al. report palladium‐catalyzed, β‐selective, direct arylations of 5,10,15‐triarylporphyrins with π‐extended aryl bromides, such as 2‐bromonaphthalene and 9‐bromoanthracene. The β‐arylation of the porphyrins proceeds without any additional phosphine ligands and is, thus, an efficient and user‐friendly arylation of the porphyrin core.
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