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- Title
New Class of Hydrido Iron(II) Compounds with cis-Reactive Sites: Combination of Iron and Diphosphinodithio Ligand.
- Authors
Liu, Jianguo; Zhang, Fanjun; Zhang, Ailing; Tong, Qingxiao; Tung, Chen ‐ Ho; Wang, Wenguang
- Abstract
The cationic complex [Fe(P2S2)(NCMe)2]2+ (P2S2=(Ph2PC6H4CH2S)2(C2H4) ([ 1(NCMe)2]2+)), with two MeCN ligands in a cis orientation, was synthesized and characterized. The MeCN ligand in [ 1(NCMe)2]2+ undergoes further substitution by a hydride ligand or CO to give iron(II) hydrides [H 1(NCMe)]+, [H 1H]0, and [H 1(CO)]+. The order of reactivity of the hydrides was [H 1H]0>[H 1(NCMe)]+>[H 1(CO)]+, and was illustrated by their reactions toward protic acids, the organic cation of 10-methylacridinium (MeAcr+) as a hydride acceptor, and intermolecular hydride transfer reactions among these ferrous compounds. For example, MeAcr+ was reduced initially by a one-electron transfer process from [H 1H]0, resulting in competing reactions of MeAcr. dimerization, hydrogen atom transfer from [H 1H]+ to MeAcr., and decomposition of [H 1H]+. MeAcrH was produced in excellent yields through a single-step H− transfer from [H 1(NCMe)]+ to MeAcr+, but [H 1(CO)]+ was inactive toward MeAcr+.
- Subjects
LIGANDS (Chemistry); IRON compounds; DIMERIZATION; HYDROGEN transfer reactions; CHEMICAL decomposition
- Publication
Chemistry - An Asian Journal, 2016, Vol 11, Issue 16, p2271
- ISSN
1861-4728
- Publication type
Article
- DOI
10.1002/asia.201600695