Abstract
The synthesis of two novel dimeric tetranuclear zinc complexes
has been described. The application of these complexes in hydroamination
of unactivated alkenes showed at room temperature high catalytic
activity.
Key words
alkenes - heterocycles
References and Notes
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Single-Crystal
X-ray Diffraction Data of Compound 4
34 H52 Br4 N4 O2 Zn4 ˙0.5
(toluene) (1175.98): Stoe IPDS 2T, space group C 2/c (No. 15) with a = 29.1063
(12) Å, b = 17.2017
(7) Å, c = 22.2739
(9) Å, β = 126.790
(2)˚ at 200 K, Z = 8, V = 8931.0(6) ų , ρ = 1.749
g cm-³ , 2θ
max = 50˚,
7865 reflections collected, 6354 unique reflections (R
int = 0.0860).
The structure was solved by Patterson methods (SHELXS-97 and SHELXL-97)
and refined by full-matrix least-square techniques with I > 2σ (I ) to R
1 = 0.0483
and wR
2 = 0.1190.Single-Crystal X-ray Diffraction Data of Compound
9
34 H56 N4 O2 Zn4 (814.31):
Oxford Diffraction Xcalibur S Sapphire, space group P 61 (No. 169) with a = 11.21070
(10) Å, c = 50.8375
(12) Å, at 150 K, Z = 6, V = 5533.25
(15) ų , ρ = 1.466
g cm-³ , 2θ
max = 50˚,
41505 reflections collected, 6515 unique reflections (R
int = 0.0898).
The structure was solved by Patterson methods (SHELXS-97 and SHELXL-97)
and refined by full-matrix least-square techniques with I > 2σ (I )
to R
1 = 0.0605
and wR
2 = 0.0812.4 ) and 689634 (9 ).
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