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Bulky Metal Aryloxides, Arylamides, and Sulphur and Phosphorus Analogues Part 1. Synthetic and Chemical Studies of Titanium and Zirconium Aryloxides

DOI: 10.1039/DT9860000489

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 489 - 498 (1986)

Update date:2022-08-04

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Authors:

Duff, Alan W.Duff, Alan W.

Kamarudin, Rose A.Kamarudin, Rose A.

Lappert, Michael F.Lappert, Michael F.

Norton, Reginald J.Norton, Reginald J.

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Article abstract of DOI:10.1039/DT9860000489

The synthesis and characterisation of several classes of aryloxides (OR) of TiIV, TiIII, ZrIV, and Li are described.Those of TiIV are of eight distinct classes: , , , , , , , and (R' = alkyl, thf = tetrahydrofuran); the TiIII complexes are of types <n> and ; the ZrIV complexes are of seven types: and , with X = OR, Cl, NMe2, OMe, OC(O)NMe2, or N(Ph)CNMe2; the new lithium aryloxides have formula n.Most of the results relate to the ligands 2,6-Me2C6H3O-, 2,6-Pri2C6H3O-, 2,6-But2C6H3O-, 4-Me-2,6-But2C6H2O-, 2,4,6-But3C6H2O-, 3,5-ButC6H3O-, and 2,4-But2C6H3O-.The new complexes are readily soluble in diethyl ether and many also in hydrocarbons.Synthetic procedures include the following systems: (i) LiBun-ROH-OEt2, for Li aryloxides; (ii) TiIV, TiIII, or ZrIV chlorides with n; (iii) for TiIII, a redox reaction of type (ii) using a TiIV chloride as precursor; (iv) a TiIV or ZrIV dimethylamide and ROH; and (v) for the ZrIV carbamate or ZrIV urea, a CO2 or PhNCO insertion into the appropriate ZrIV dimethylamide.

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Product name:Zr(C5H5)2(N(CH3)2)(OC6H2(C(CH3)3)3)

Cas No:104135-15-1

104135-15-1

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