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Synthesis and characterization of some Schiff-base-containing polyimides

✍ Scribed by M. Saeed Butt; Zareen Akhter; M. Zafar-uz-Zaman; Humaira Masood Siddiqi

Publisher
Springer
Year
2008
Weight
199 KB
Volume
286
Category
Article
ISSN
0340-255X

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## Abstract The condensation of bis(__o__‐formylphenyl) selenide with 1,2‐diaminoethane or 1,3‐diaminopropane yielded the new macrocyclic ligands 1 and 2 in very good yields. Crystals of 1 are monoclinic, space group __P__2~1~/__c__ with __a__ = 10.0648(10) Γ…, __b__ = 37.390(4) Γ…, __c__ = 8.0073(11