New m-carborane-containing polymeric schiff bases
β Scribed by V. V. Korshak; N. I. Bekasova; N. G. Komarova; L. G. Komarova; V. V. Vagin
- Publisher
- John Wiley and Sons
- Year
- 1989
- Tongue
- English
- Weight
- 345 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0323-7648
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The mass spectrometric behaviour of six Schiff bases derived from the condensation in acetonitrile or methanol of ferrocenecarboxaldehyde with polyamines H,N-R-NHz (R =-H,C-CHz-9-CHz-CHr, -HzC-CH,-, -HzC--CHrN[(CH2 ),,-CH3]-CHZ-CHz-, -(HzC)&,H8Nr(CHz)~) has been investigated by fast atom bombardment
Four macrocyclic tetraimine Schiff bases containing oxamidic groups were synthesized by [2 + 2] condensation of N,N'-bis(2-aminoethyl)oxamide or N,N'-bis(2-amino-1,1-dimethylethyl)oxamide with 2,6-diformyl-4chlorophenol or 2,6-diformyl-4-methylphenol and characterized by elemental analyses and IR an
in 1 : 1 molar proportion to yield chlorine-substituted complexes of the type R,Sn(Schiff base), the base being tridentate. The complexes are characterized on the basis of their elemental analyses, IR and 'H NMR spectral studies. The I3C and 1'9Sn NMR and the tin-carbon coupling constant data reveal