Issue 12, 2023

Formation of a cyclooctatetraenylsamarium(iii) inverse sandwich that ring-opens tetrahydrofuran

Abstract

Reductive trapping of the cyclooctatetraenyl dianion (COT2−) by treatment of [Sm(DippForm)2(thf)2] (DippFormH = N,N′-bis(2,6-diisopropylphenyl)formamidine; thf = tetrahydrofuran) with 1,3,5,7-cyclooctatetraene (C8H8) in toluene yields an inverse sandwich dinuclear complex [Sm2(DippForm)4(COT)] (1), but [Sm(DippForm)(COT)(thf)2] (2) and [Sm(DippForm)2(O-C4H8-DippForm)(thf)] (3) in thf, and 1 yields 2 and 3 on treatment with thf.

Graphical abstract: Formation of a cyclooctatetraenylsamarium(iii) inverse sandwich that ring-opens tetrahydrofuran

Supplementary files

Article information

Article type
Communication
Submitted
30 Dec 2022
Accepted
04 Jan 2023
First published
05 Jan 2023

Dalton Trans., 2023,52, 3563-3566

Formation of a cyclooctatetraenylsamarium(III) inverse sandwich that ring-opens tetrahydrofuran

R. Peedika Paramban, Z. Guo, G. B. Deacon and P. C. Junk, Dalton Trans., 2023, 52, 3563 DOI: 10.1039/D2DT04164B

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