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CYCLIDENE COMPLEXES WITH BULKY SUBSTITUENTS
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UNSPECIFIED (1995) CYCLIDENE COMPLEXES WITH BULKY SUBSTITUENTS. SUPRAMOLECULAR CHEMISTRY, 5 (2). pp. 119-128. ISSN 1061-0278.
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Abstract
Unbridged Ni(II) cyclidene complexes have been prepared with bulky substituents at the terminal nitrogen atoms (R(2) = -C(Me)(2)CH2N(Me)(2); -CH(Ph)(2); -CH2C(Me)(3); -CH2CH(Ph)(2)) (substituent R(3) at the adjoining carbon = Me). Complexes containing the last two substituents and bridged with (m) under bar-xylylene and (CH2)(6) have also been synthesised, The effects of the bulky substituents on C-13 n.m.r spectra, electrochemical behaviour and oxygen binding ability are examined, The crystal structures of the (m) under bar-xylylene-bridged complexes with R(2) = CH2C(Me)3, R(3) = Me (I) and R(2)= Me, R(3) = Ph (II) have been determined; both are monoclinic, P2(1)/c, with (I) a = 13.463(1); b = 14.506(2); c = 26.72492)A, beta = 91.45(1), R = 0.082 for 3895 observed (I/sigma(I)> = 2.0) reflections; (II) a = 24.721(6), b = 10.934(3), c = 16.321(5)Angstrom, beta = 97.30(2)degrees, R = 0.074 for 2992 observed (I/sigma(I)> = 3.0) reflections.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry | ||||
Journal or Publication Title: | SUPRAMOLECULAR CHEMISTRY | ||||
Publisher: | GORDON BREACH SCI PUBL LTD | ||||
ISSN: | 1061-0278 | ||||
Official Date: | 1995 | ||||
Dates: |
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Volume: | 5 | ||||
Number: | 2 | ||||
Number of Pages: | 10 | ||||
Page Range: | pp. 119-128 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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