Add time:07/22/2019 Source:sciencedirect.com
Diethyl- and Diphenyltin (cas 1011-95-6) derivatives of N-methyl-N-p-bromobenzoylhydroxylamineR2Sn{ON)C6H4Br-p)C(O)C6H4Br-p}2, R=Et, Ph, and N-p-bromophenyl-N-p-bromobenzoylhydroxylamine, R2,Sn{ON(C6H4Br-p)C(O)C6H4Br-p} 2, R = Et, Ph, were made and characterized by IR, Mössbauer and NMR (1H, 13C, 119Sn) spectroscopy and, in the case of EtPin2Sn{ON(Me)C(O)C6H4Br-p}2, by an X-ray diffraction study. The geometry at the tin atom is that of a distorted trans octahedron with two bidentate, nearly equivalent, N-acylhydroxylamine residues and a CSnC angle of 141.1°. On the basis of the Mössbauer data for the diphenyltin hydroxamates, a cis-octahedral structure with bidentate ligation of the hydroxylamine residues is suggested.
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