UNSPECIFIED (1998) Preparation and structures of some tetraazamacrocyclic complexes of In(III). JOURNAL OF ORGANOMETALLIC CHEMISTRY, 550 (1-2). pp. 301-308. ISSN 0022-328X

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Abstract

Treatment of the dibenzo-tetraaza macrocycle, C22H24N4 (H(2)tmtaa) (I), with triethylindium yields the diethylindium-macrocycle complex [Et2In(Htmtaa)] (IV). On heating (IV) is converted quantitatively into the monoethyl complex [EtIn(tmtaa)](V). A single crystal X-ray diffraction study on (V) shows the EtIn fragment to be bonded to the four planar nitrogen atoms of the macrocycle, with a square-pyramidal geometry around the metal. Reaction of the dilithio salt of(I), [Li-2(tmtaa)], with InCl3, yields [ClIn(tmtaa)] (VI), and further reaction of (VI) with equimolar quantities of LiR [R=C5H5(Cp), Me, N(SiMe3)(2), OSiMe3] yields the corresponding [RIn(tmtaa)] derivatives [R = Cp (VII) Me (VIII), N(SiMe3)(2) (IX), OSiMe3 (X)]. An X-ray diffraction study on (VII) shows an eta(1)-bonded Cp group, with the metal atom also bound to the four nitrogen atoms of the tmtaa ligand. (C) 1998 Elsevier Science S.A.

Item Type:	Journal Article
Subjects:	Q Science > QD Chemistry
Journal or Publication Title:	JOURNAL OF ORGANOMETALLIC CHEMISTRY
Publisher:	ELSEVIER SCIENCE SA
ISSN:	0022-328X
Date:	15 January 1998
Volume:	550
Number:	1-2
Number of Pages:	8
Page Range:	pp. 301-308
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/15905

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