Condensation or Zand TFA-amino acid amides with 2-0x0acids. namely butanoic, 3-methylbutanoic, 4-methylpcntanoic, and (3RS)-3-methylpentanoic acid yields (in the presence of p toluenesulfonic acid as a catalyst) Z-and TFA-dipeptides with C-terminal AAbu" (1 -4). AVal (5-8), ALeu (9-11). and AIle (12
Stereochemistry of valine and isoleucine biosynthesis II. Absolute configuration of (−)α,β-dihydroxyisovaleric acid and (−)α,β-dihydroxy-β-methylvaleric acid
✍ Scribed by Richard K. Hill; Shou-Jen Yan
- Publisher
- Elsevier Science
- Year
- 1971
- Tongue
- English
- Weight
- 844 KB
- Volume
- 1
- Category
- Article
- ISSN
- 0045-2068
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v
## Abstract The configuration of twenty‐four different α,β‐diaryl‐α,β‐dialkylpropionitriles has been determined using nuclear magnetic resonance spectra. The __erythro__ form showed greater deshielding of the methine hydrogen and alkyl groups in its spectra than the corresponding __threo__ isomer.