Synthesis and Optical Properties of Asymmetric Polyamides Derived from Optically Active Dicarboxylic Acids and Spirodiamine
β Scribed by Overberger, C. G.; Okamoto, Y.; Bulacovschi, V.
- Book ID
- 120224753
- Publisher
- American Chemical Society
- Year
- 1975
- Tongue
- English
- Weight
- 709 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0024-9297
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π SIMILAR VOLUMES
Polycondensations of dicarboxylic acids with diols having amide moieties derived from optically active amino alcohols were carried out. Polymers with M V n s 8,700- 17,400 were obtained by the polycondensations using 1.2 eq. of 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride (EDCrHCl) i
The synthesis of three new stereoregular AB-type polyamides based on Dribono-1,4-lactone, L-arabinose, and D-xylose has been carried out by the active ester polycondensation method. These polyamides were characterized by elemental analysis, IR and NMR spectroscopies, and powder X-ray diffraction. Th