Synthesis of chiral pharmaceutical intermediates by biocatalysis

RN Patel - Coordination Chemistry Reviews, 2008 - Elsevier
Chirality is a key factor in the safety and efficacy of many drug products and thus the
production of single enantiomers of drug intermediates has become increasingly important …

Nucleoside phosphorylases

ES Lewkowicz, AM Iribarren - Current Organic Chemistry, 2006 - ingentaconnect.com
Nucleoside phosphorylases (NPs) are transferases that catalyse the reversible cleavage of
the glycosidic bond of ribo-or deoxyribo nucleosides, in the presence of inorganic …

Enzymatic synthesis of nucleoside analogues by nucleoside phosphorylases

S Kamel, H Yehia, P Neubauer… - Enzymatic and chemical …, 2018 - books.google.com
Nucleosides primarily consist of a nitrogenous base (nucleobase), which is either a purine
base or a pyrimidine base and a five-carbon sugar (pentose). The base and sugar are …

Design and directed evolution of a dideoxy purine nucleoside phosphorylase

DP Nannemann, KW Kaufmann, J Meiler… - … , Design & Selection, 2010 - academic.oup.com
Purine nucleoside phosphorylase (PNP) catalyzes the synthesis and phosphorolysis of
purine nucleosides, interconverting nucleosides with their corresponding purine base and …

Synthesis of 2′-deoxyibosylnucleosides using new 2′-deoxyribosyltransferase microorganism producers

J Fernández-Lucas, LA Condezo… - Enzyme and microbial …, 2007 - Elsevier
Bacillus coagulans CECT 12, Bacillus psychrosaccharolyticus CECT 4074, Lactobacillus sp.
CECT 4219 and Psychrobacter immobilis CECT 4492 have been characterised, after a …

Immobilized Escherichia coli BL21 as a Catalyst for the Synthesis of Adenine and Hypoxanthine Nucleosides

JA Trelles, L Bentancor, A Schoijet… - Chemistry & …, 2004 - Wiley Online Library
Different supports, such as alginate, agar, agarose, and polyacrylamide, were used to
immobilize Escherichia coli BL 21 by entrapment techniques. The transglycosylation …

Nucleoside synthesis by immobilised bacterial whole cells

JA Trelles, J Fernández-Lucas, LA Condezo… - Journal of Molecular …, 2004 - Elsevier
Biocatalysed synthesis of nucleosides was carried out using immobilised whole cells of
Escherichia coli ATCC 47092, Enterobacter gergoviae CECT 857 and Citrobacter …

Whole cell biocatalysts for the preparation of nucleosides and their derivatives

ES Lewkowicz, AM Iribarren - Current Pharmaceutical Design, 2017 - ingentaconnect.com
Nucleosides constitute an extensive group of natural and chemically modified compounds
that display a wide range of structures and activities. Different biocatalysts have been …

Purine nucleoside synthesis from uridine using immobilised Enterobacter gergoviae CECT 875 whole cells

JA Trelles, M Fernandez, ES Lewkowicz, AM Iribarren… - Tetrahedron letters, 2003 - Elsevier
Biocatalysed purine nucleoside synthesis was carried out using immobilised Enterobacter
gergoviae CECT 875. Similar yields (80–95%) in adenosine were obtained with both free …

Microbial synthesis of 2, 6-diaminopurine nucleosides

R Médici, ES Lewkowicz, AM Iribarren - Journal of Molecular Catalysis B …, 2006 - Elsevier
2, 6-Diaminopurine nucleosides are used as pharmaceutical drugs or prodrugs against
cancer and viral diseases. The synthesis of 2, 6-diaminopurine riboside,-2′-deoxyriboside …