Thermodynamic group contributions for hydroxyl, amino, and methylene groups
β Scribed by J. Howard Rytting; Larry P. Huston; Takeru Higuchi
- Book ID
- 102404979
- Publisher
- John Wiley and Sons
- Year
- 1978
- Tongue
- English
- Weight
- 429 KB
- Volume
- 67
- Category
- Article
- ISSN
- 0022-3549
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π SIMILAR VOLUMES
Previous reports on the origin of proton chemical shifts which arise on the introduction of a C-X bond (X is =0, EN, OH or Cl)into a molecule,have invoked either magnetic anisotropy alonelV8 or have concluded' that only the electric dipole is important. Recent calculation to on C-Cl and C-F bonds ha
## Abstract We have found a novel way of protecting the hydroxyl function in hydroxyβLβamino acids, making use of the tβbutoxy group, which is readily split by acids, but not by bases. This group is introduced by acidβcatalysed addition of isobutene to Nβacylated hydroxyβLβamino acids. The blockin