- ANTIBACTERIALS AND/OR MODULATORS OF BIOFILM FORMATION AND METHODS OF USING THE SAME
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Amides substituted with aromatic groups were synthesized and some were purified to create enantiomer pure compounds. The compounds were tested to determine their ability to inhibit the growth of bacteria and the formation of biofilms created by bacteria. Some of these compounds were found to be effective antibacterials and to effectively inhibit the formation of biofilms.
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Paragraph 0094
(2017/04/11)
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- Telescopic one-pot condensation-hydroamination strategy for the synthesis of optically pure L-phenylalanines from benzaldehydes
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A chemo-enzymatic telescopic approach was designed for the synthesis of L-arylalanines in high yield and optical purity, starting from commercially available and inexpensive substituted benzaldehydes. The method exploits a chemical Knoevenagel–Doebner condensation (optimised to give complete conversions in a short reaction time, employing microwave irradiation) and a biocatalytic phenylalanine ammonia lyase mediated hydroamination (for the stereoselective addition of ammonia). The two reactions can be run sequentially in one pot, bringing together the advantages of chemical and biological catalysis. The preparative applicability was demonstrated with the synthesis of five L-dihalophenylalanines (71–84% yield, 98–99% ee) of relevance as molecular probes, for medicinal chemistry and for the synthesis of pharmaceutical ingredients.
- Parmeggiani, Fabio,Ahmed, Syed T.,Weise, Nicholas J.,Turner, Nicholas J.
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p. 7256 - 7262
(2016/10/26)
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- Intensified biocatalytic production of enantiomerically pure halophenylalanines from acrylic acids using ammonium carbamate as the ammonia source
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An intensified, industrially-relevant strategy for the production of enantiopure halophenylalanines has been developed using the novel combination of a cyanobacterial phenylalanine ammonia lyase (PAL) and ammonium carbamate reaction buffer. The process boasts STYs up to >200 g L-1 d-1, ees ≥ 98% and simplified catalyst/reaction buffer preparation and work up.
- Weise, Nicholas J.,Ahmed, Syed T.,Parmeggiani, Fabio,Siirola, Elina,Pushpanath, Ahir,Schell, Ursula,Turner, Nicholas J.
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p. 4086 - 4089
(2016/07/06)
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- Synthesis of a complete set of L-difluorophenylalanines, L-(F2)Phe, as molecular explorers for the CH/π interaction between peptide ligand and receptor
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A complete set of difluorophenylalanines in the L-configuration [L- (F2)Phe] (namely, L-(2,3-F2)Phe, L-(2,4-F2)Phe, L-(2,5-F2)Phe, L-(2,6- F2)Phe, L-(3,4-F2)Phe, L-(3,5-F2)Phe) w
- Fujita, Tsugumi,Nose, Takeru,Matsushima, Ayami,Okada, Kazushi,Asai, Daisuke,Yamauchi, Yasuko,Shirasu, Naoto,Honda, Takeshi,Shigehiro, Daiki,Shimohigashi, Yasuyuki
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p. 923 - 927
(2007/10/03)
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