Simultaneous determination of enantiomerization and hydrolysis kinetic parameters of chiral N-alkylbenzothiadiazine derivatives
β Scribed by Marina M. Carrozzo; Giuseppe Cannazza; Umberto Battisti; Daniela Braghiroli; Carlo Parenti
- Publisher
- John Wiley and Sons
- Year
- 2009
- Tongue
- English
- Weight
- 260 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0899-0042
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π SIMILAR VOLUMES
The N-(n-butylamide) of (S)-2-(phenylcarbamoyloxy)propionic acid, easily prepared starting from the inexpensive L-ethyl lactate, can be used as convenient chiral solvating agent (CSA) to determine the enantiomeric composition of N-(3,5-dinitrobenzoyl)amino acid methyl esters.
Glycylglycine, glycyl-(S)-alanine, and (S)-alanylglycine esters are cyclized through pivalaldehyde imines to give dipeptide-derived 3-(benzyloxycarbonyl)-2-(~er~-butyl)-5-oxoimidazo~idine-l -acetates 1-3. These are alkylated diastereoselectively by Li-enolate formation and addition of alkyl bromides
Diffuse Interface Model (DIM) is introduced to describe the mechanism of hightemperature corrosion/internal oxidation. The zone has dissolved oxygen and metal atoms diffuse and react resulting in the inward movement of zone. The high-temperature oxidation data for cobalt, iron, and nickel, which are