NDLI: High-spin Cyclopentadienyl Complexes, Part 6. σ/π-Rearrangement of Aryl Ligands Connected to Cyclopentadienyliron Fragments

Please wait, while we are loading the content...

High-spin Cyclopentadienyl Complexes, Part 6. σ/π-Rearrangement of Aryl Ligands Connected to Cyclopentadienyliron Fragments

Content Provider	Semantic Scholar
Author	Wallasch, Mark W. Rudolphi, Felix Wolmershaeuser, Gotthelf Sitzmann, Helmut
Copyright Year	2009
Abstract	Dimeric tri(tert-butyl)cyclopentadienyliron(II) bromide [CpmFe(μ-Br)]2 (1) reacts with phenylmagnesium bromide to give the dinuclear di(cyclohexadienylidene) complex [(CpmFe)2(μ,η5:η5-H5C6=C6H5)] (2), and with mesitylmagnesium bromide either to the dinuclear complex [CpmFe-(μ,η5:η1-C6H2Me3)Fe(Br)Cpm] (3) or to the mononuclear mesityl complex [CpmFeC6H2Me3] (4), depending on the reaction conditions. The mesityl complex 4 undergoes rearrangement and adds via the mesityl ipso carbon atom to bromide 1 with formation of 3. A similar reaction occurs with the nickel analog of bromide 1. In the latter case, however, mesityl is replaced by tolyl during reaction in toluene, with phenyl in benzene, and remains unchanged if the reaction is carried out in pentane solution. An electrophilic attack at the arene solvent used is discussed for the exchange reaction. For the crystallographically characterized complexes 3 and [CpFem(μ,η1:η5-C6H4Me)Ni(Br)Cpm] (5) with a meta-tolyl ligand a significant deviation of the CpmFe fragment from a symmetrical position above the six-membered ring ligand raises questions regarding a possible contribution of a cyclohexadienylylidene resonance structure. Graphical Abstract High-spin Cyclopentadienyl Complexes, Part 6. σ/π-Rearrangement of Aryl Ligands Connected to Cyclopentadienyliron Fragments
Starting Page	11
Ending Page	17
Page Count	7
File Format	PDF HTM / HTML
DOI	10.1515/znb-2009-0103
Volume Number	64
Alternate Webpage(s)	http://www.znaturforsch.com/s64b/s64b0011.pdf
Alternate Webpage(s)	http://www.znaturforsch.com/ab/v64b/64b0011.pdf
Alternate Webpage(s)	https://doi.org/10.1515/znb-2009-0103
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

Central Library (ISO-9001:2015 Certified)
Indian Institute of Technology Kharagpur
Kharagpur, West Bengal, India | PIN - 721302

See location in the Map
03222 282435
Mail: support@ndl.gov.in

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in