Transformation of α-glycine to γ-glycine
✍ Scribed by Hidetoshi Sakai; Hajime Hosogai; Tetsuya Kawakita; Kazuo Onuma; Katsuo Tsukamoto
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 487 KB
- Volume
- 116
- Category
- Article
- ISSN
- 0022-0248
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## Abstract Crystallization of metastable α and stable γ polymorphs of glycine was carried out from aqueous solution in the presence of ammonia. Pure aqueous solution and solution with lower concentration of ammonia yield α nucleation and solution with a critical concentration of ammonia yield γ nu
Block and random copolymers of y-benzyl Irglutamate and glycine were studied by optical rotatory dispersion methods in order to ascertain the extent and stability of the a-helix formed by these polymers in appropriate solvent mixtures. Results indicate that when in solution such polymers do contain
## Abstract For Abstract see ChemInform Abstract in Full Text.
a flophemesyl derivative. In the latter spectrum, an allylic cleavage between the first two double bonds is reflected by the ion at m/z 392, and allylic and vinylic cleavages between the second and third double bonds are reflected by ions at m/z 432 and 420. These data yield useful information about