13C NMR chemical shift and conformation of β-benzyl l-aspartate residues in copolymers of β-benzyl l-aspartate and l-alanine in solution
✍ Scribed by Satoru Tuzi; Isao Ando; Akira Shoji; Takuo Ozaki
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 532 KB
- Volume
- 238
- Category
- Article
- ISSN
- 0022-2860
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## Abstract The solid‐state conformation of copolymers of β‐benzyl‐L‐aspartate [L‐Asp(OBzl)] with L‐leucine (L‐Leu), L‐alanine (L‐Ala), L‐valine (L‐Val), γ‐benzyl‐L‐glutamate [L‐Glu(OBzl)], or ϵ‐carbobenzoxy‐L‐lysine (Cbz‐L‐Lys) has been studied by ir spectroscopy and circular dichroism (CD). The i
We have examined the nature of the circular dichroism band at 330 mp for a series of copolymers of 8-pnitrobenayl baspartate with @-benay1 baspartate. The circular dichroism band arises from an electronic transition in the nitroaromatic group. I n order to interpret the effect quantitatively, we emp
## Abstract From the results of ^13^C‐nmr measurement of poly(β‐benzyl‐L‐aspartate) and its model compounds in dimethyl sulphoxide/deuterated chloroform mixtures, it was found that the side chain of poly(β‐benzyl‐L‐aspartate) is solvated by dimethyl sulphoxide in the region more than dimethyl sulph