Enantioselectivity of ester aminolysis by optically active amines in reversed micellar solutions
โ Scribed by Kijiro Kon-no; Masaki Tosaka; Ayao Kithara
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 197 KB
- Volume
- 86
- Category
- Article
- ISSN
- 0021-9797
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๐ SIMILAR VOLUMES
## Abstract Cleavage of chiral __p__โnitrophenyl esters derived from the amino acid phenylalanine by histidineโcontaining tripeptides has been studied in micellar solutions of four quaternary ammonium surfactants. Enzymeโlike enantioselectivities up to __k__~__I__~/__k__~__D__~ = 131 (at 0ยฐC) are o
Pheniramine (3a) was prepared throt gh enantioselective hydrogenation of various precursor compounds catalyzed by Ru(II)/BINAP complexes. In the case of N,N-dialkyl-3-phenyl-3-(2-pyridyl)allylamines (1 and 2) only the (Z)-isomer shows a satisfactory reactivity; moreover the chemoselectivity is affec