- Batch and in-flow kinetic resolution of racemic 1-(N-acylamino)alkylphosphonic and 1-(N-acylamino)alkylphosphinic acids and their esters using immobilized penicillin G acylase
-
The kinetic resolution of racemic 1-(N-acylamino)alkylphosphonic acids 3 (R3= OH) and their dimethyl esters 1, as well as 1-(N-acylamino)alkylphosphinic acids 4 (R3= H or Ph) using penicillin G acylase (PGA) immobilized on three type
- Zielińska, Katarzyna,Szymańska, Katarzyna,Mazurkiewicz, Roman,Jarz?bski, Andrzej
-
p. 146 - 152
(2017/01/12)
-
- Penicillin G acylase-mediated kinetic resolution of racemic 1-(N-acylamino)alkylphosphonic and 1-(N-acylamino)alkylphosphinic acids and their esters
-
Extensive studies on the penicillin G acylase-mediated kinetic resolution of N-acylated 1-aminoalkylphosphonic and 1-aminoalkylphosphinic acids as well as their esters were carried out to recognise the relationships between the substrate structure, reacti
- Zielińska, Katarzyna,Mazurkiewicz, Roman,Szymańska, Katarzyna,Jarz?bski, Andrzej,Magiera, Sylwia,Erfurt, Karol
-
-
- Biocatalyzed kinetic resolution of racemic mixtures of chiral α-aminophosphonic acids
-
Several fungal species namely: Aspergillus niger, Aspergillus parasiticus, Penicillium funiculosum, Trigonopsis variabilis and two different strains of Fusarium oxysporum were tested toward racemic mixtures of following phosphonic acids: 1-amino-2-methylp
- Kozyra, Kinga,Brzezinska-Rodak, Malgorzata,Klimek-Ochab, Magdalena,Zymanczyk-Duda, Ewa
-
-
- 133. Nucleophilic Additions to N-Glycosylnitrones. Part IV. Asymmetric Synthesis of N-Hydroxy-α-aminophosphonic and α-Aminophosphonic Acids
-
The addition of phosphite anions and of tris(trimethylsilyl)phosphite (P(OSiMe3)3) to N-glycosyl-C-aryl-nitrones was examined.While these nitrones proved inert towards the phosphite anions, they reacted with P(OSiMe3)3 under catalysis by Lewis acids.Thus,
- Huber, Rolf,Vasella, Andrea
-
p. 1461 - 1476
(2007/10/02)
-
- 1-Aminoalkylphosphonous Acids. Part 1. Isosteres of the Protein Amino Acids
-
The synthesis of 1-aminoalkylphosphonous acids, isosteres of the protein amino acids, by addition of hypophosphorous acid to diphenylmethylimines is described.These analogues of glycine, alanine, valine, leucine, isoleucine, phenylalanine, tyrosine, tryptophan, serine, threonine, methionine, cysteine, cystine, glutamic acid, lysine, ornithine, arginine, and proline have been prepared and the analogues of alanine, valine, leucine, phenylalanine, and methionine resolved.The alanine, valine and methionine analogues have interesting antimicrobial activity and the alanine analogue has plant growth inhibiting properties.Oxidation of the appropriate 1-aminoalkylphosphonous acids gave the 1-aminoalkylphosphonic acid analogues of (+/-)-alanine, (-)-alanine, (+/-)-valine, (-)-valine, (+/-)-serine, (+/-)-threonine, (+/-)-lysine, (-)-leucine, and (+/-)-ornithine.
- Baylis, E. Keith,Campbell, Colin D.,Dingwall, John G.
-
p. 2845 - 2853
(2007/10/02)
-