Synthesis of annelated phospholes through intramolecular C-H activation by monovalent phosphorus

Synthesis of annelated phospholes through intramolecular C-H activation by monovalent phosphorus

Electrophilic terminal phosphinidene complexes [Ar-Ar-P-W(CO)5] (Ar-Ar: biaryl or an analogue thereof) undergo a spontaneous insertion of the phosphorus atom into the vicinal C-H bonds to give annelated phospholes. Twelve examples are described, including biphenyl, thienyl, pyrrolyl, and benzofuryl...

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Bibliographic Details
Main Authors: Wei, Xinda, Lu, Zongming, Zhao, Xu, Duan, Zheng, Mathey, Francois
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2015
Subjects:
DRNTU::Science::Chemistry
Online Access:https://hdl.handle.net/10356/103967
http://hdl.handle.net/10220/24636
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Institution: Nanyang Technological University
Language: English
Description
Summary:Electrophilic terminal phosphinidene complexes [Ar-Ar-P-W(CO)5] (Ar-Ar: biaryl or an analogue thereof) undergo a spontaneous insertion of the phosphorus atom into the vicinal C-H bonds to give annelated phospholes. Twelve examples are described, including biphenyl, thienyl, pyrrolyl, and benzofuryl groups as biaryl moieties. The activation energy of the insertion reaction is quite low (about 2 kcal mol−1).

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