Works by Hammerschmidt, Friedrich

Results: 28

Low-molecular-weight chiral cation exchangers: Novel chiral stationary phases and their application for enantioseparation of chiral bases by nonaqueous capillary electrochromatography.

Published in:

Electrophoresis, 2002, v. 23, n. 3, p. 462, doi. 10.1002/1522-2683(200202)23:3<462::AID-ELPS462>3.0.CO;2-8

By:

Tobler, Ernst;
Lämmerhofer, Michael;
Wuggenig, Frank;
Hammerschmidt, Friedrich;
Lindner, Wolfgang

Publication type:

Article

Simultaneous separation of the stereoisomers of 1-amino-2-hydroxy and 2-amino-1-hydroxypropane phosphonic acids by stereoselective capillary electrophoresis employing a quinine carbamate type chiral selector.

Published in:

Electrophoresis, 2001, v. 22, n. 6, p. 1182, doi. 10.1002/1522-2683()22:6<1182::AID-ELPS1182>3.0.CO;2-O

By:

Lämmerhofer, Michael;
Zarbl, Elfriede;
Lindner, Wolfgang;
Simov, Biljana Peric;
Hammerschmidt, Friedrich

Publication type:

Article

On the Configurational Stability of Chiral Heteroatom-Substituted [D1]Methylpalladium Complexes as Intermediates of Stille and Suzuki-Miyaura Cross-Coupling Reactions.

Published in:

European Journal of Organic Chemistry, 2013, v. 2013, n. 23, p. 5143, doi. 10.1002/ejoc.201300439

By:

Malova Krizkova, Petra;
Hammerschmidt, Friedrich

Publication type:

Article

On the Transformation of ( S)-2-Hydroxypropylphosphonic Acid into Fosfomycin in Streptomyces fradiae-A Unique Method of Epoxide Ring Formation.

Published in:

ChemBioChem, 2002, v. 3, n. 9, p. 829, doi. 10.1002/1439-7633(20020902)3:9<829::AID-CBIC829>3.0.CO;2-V

By:

Woschek, Anna;
Wuggenig, Frank;
Peti, Wolfgang;
Hammerschmidt, Friedrich

Publication type:

Article

Strong versus weak chiral cation exchangers: Comparative evaluation for enantiomer separation of chiral bases by non-aqueous CEC.

Published in:

Journal of Separation Science, 2002, v. 25, n. 15/17, p. 1269, doi. 10.1002/1615-9314(20021101)25:15/17<1269::AID-JSSC1269>3.0.CO;2-R

By:

Zarbl, Elfriede;
Lämmerhofer, Michael;
Woschek, Anna;
Hammerschmidt, Friedrich;
Parenti, Carlo;
Cannazza, Guiseppe;
Lindner, Wolfgang

Publication type:

Article

Front Cover: Biosynthesis of the Fungal Organophosphonate Fosfonochlorin Involves an Iron(II) and 2‐(Oxo)glutarate Dependent Oxacyclase (ChemBioChem 2/2022).

Published in:

ChemBioChem, 2022, v. 23, n. 2, p. 1, doi. 10.1002/cbic.202100503

By:

Gama, Simanga R.;
Stankovic, Toda;
Hupp, Kendall;
Al Hejami, Ahmed;
McClean, Mimi;
Evans, Alysa;
Beauchemin, Diane;
Hammerschmidt, Friedrich;
Pallitsch, Katharina;
Zechel, David L.

Publication type:

Article

Biosynthesis of the Fungal Organophosphonate Fosfonochlorin Involves an Iron(II) and 2‐(Oxo)glutarate Dependent Oxacyclase.

Published in:

ChemBioChem, 2022, v. 23, n. 2, p. 1, doi. 10.1002/cbic.202100352

By:

Gama, Simanga R.;
Stankovic, Toda;
Hupp, Kendall;
Al Hejami, Ahmed;
McClean, Mimi;
Evans, Alysa;
Beauchemin, Diane;
Hammerschmidt, Friedrich;
Pallitsch, Katharina;
Zechel, David L.

Publication type:

Article

Radiosynthesis of [124I]iodometomidate and biological evaluation using small-animal PET.

Published in:

2014

By:

Kvaternik, Herbert;
Wanek, Thomas;
Hammerschmidt, Friedrich;
Zolle, Ilse;
Aigner, Reingard;
Kuntner, Claudia

Publication type:

journal article

Radiosynthesis of [I]Iodometomidate and Biological Evaluation Using Small-Animal PET.

Published in:

Molecular Imaging & Biology, 2014, v. 16, n. 3, p. 317, doi. 10.1007/s11307-013-0696-x

By:

Kvaternik, Herbert;
Wanek, Thomas;
Hammerschmidt, Friedrich;
Zolle, Ilse;
Aigner, Reingard;
Kuntner, Claudia

Publication type:

Article

Formal synthesis of P-chiral [16O,17O,18O]phosphoenol pyruvates by means of the α-hydroxyphosphonate-phosphate rearrangement.

Published in:

Phosphorus, Sulfur & Silicon & the Related Elements, 2018, v. 193, n. 8, p. 515, doi. 10.1080/10426507.2018.1452235

By:

Malová Križková, Petra;
Roller, Alexander;
Hammerschmidt, Friedrich

Publication type:

Article

Conversion of nitriles to 1-aminophosphonic acids and preparation of phosphahomocysteines of high enantiomeric excess.

Published in:

Phosphorus, Sulfur & Silicon & the Related Elements, 2017, v. 192, n. 6, p. 737, doi. 10.1080/10426507.2017.1284844

By:

Qian, Renzhe;
Horak, Jeannie;
Hammerschmidt, Friedrich

Publication type:

Article

THE PHOSPHATE-PHOSPHONATE AND PHOSPHONATE-PHOSPHATE REARRANGEMENTS AND THEIR APPLICATIONS - 7[1]: USE OF t -BUTYL AS PROTECTING GROUP AND SYNTHESIS OF CHIRAL, NONRACEMIC α-HYDROXYPHOSPHONATES.

Published in:

Phosphorus, Sulfur & Silicon & the Related Elements, 2001, v. 174, n. 1, p. 101, doi. 10.1080/10426500108040236

By:

Hammerschmidt, Friedrich;
Schmidt, Susanne

Publication type:

Article

Chemoenzymatic Synthesis of α-Aminophosphonic Acids.

Published in:

Phosphorus, Sulfur & Silicon & the Related Elements, 1999, v. 147, n. 1, p. 439, doi. 10.1080/10426509908053699

By:

Wuggenig, Frank;
Hammerschmidt, Friedrich

Publication type:

Article

Phosphate-Phosphonate Rearrangement of Aliphatic Phosphates.

Published in:

Phosphorus, Sulfur & Silicon & the Related Elements, 1999, v. 147, n. 1, p. 377, doi. 10.1080/10426509908053668

By:

Schmidt, Susanne;
Hammerschmidt, Friedrich

Publication type:

Article

ENZYMES IN ORGANIC CHEMISTRY, 8. PROTEASE-CATALYZED KINETIC RESOLUTION OF α-CHLOROACETOXYPHOSPHONATES IN A BIPHASIC SYSTEM.

Published in:

Phosphorus, Sulfur & Silicon & the Related Elements, 1998, v. 141, n. 1, p. 231, doi. 10.1080/10426509808033735

By:

Hammerschmidt, Friedrich;
Wuggenig, Frank

Publication type:

Article

ENZYMES IN ORGANIC CHEMISTRY 7. EVALUATION OF HOMOCHIRAL t-BUTYL(PHENYL)PHOSPHINOTHIOIC ACID FOR THE DETERMINATION OF ENANTIOMERIC EXCESSES AND ABSOLUTE CONFIGURATIONS OF α-SUBSTITUTED PHOSPHONATES.

Published in:

Phosphorus, Sulfur & Silicon & the Related Elements, 1998, v. 140, n. 1, p. 79, doi. 10.1080/10426509808035734

By:

Drescher, Martina;
Felsinger, Susanne;
Hammerschmidt, Friedrich;
Kählig, Hanspeter;
Schmidt, Susanne;
Wuggenig, Frank

Publication type:

Article

Biosynthesis of Natural Products with a P-C Bond: Incorporation of D -[1- H 1 ]Glucose into 2-Aminoethylphosphonic Acid in Tetrahymena Thermophila and of D -[1- H 1 ]Glucose and L -[Methyl- H 3 ]Methionine into Fosfomycin in Streptomyces Fradiae.

Published in:

Phosphorus, Sulfur & Silicon & the Related Elements, 1993, v. 76, n. 1-4, p. 111, doi. 10.1080/10426509308032371

By:

Hammerschmidt, Friedrich

Publication type:

Article

Incorporation of L-[Methyl-2H3]methionine and 2-[Hydroxy-18O]hydroxyethylphosphonic Acid into Fosfomycin in Streptomyces fradiae-An Unusual Methyl Transfer.

Published in:

Angewandte Chemie International Edition, 1994, v. 33, n. 3, p. 341, doi. 10.1002/anie.199403411

By:

Hammerschmidt, Friedrich

Publication type:

Article

Studies on the Biodegradation of Fosfomycin: Synthesis of 13C-Labeled Intermediates, Feeding Experiments with Rhizobium huakuii PMY1, and Isolation of Labeled Amino Acids from Cell Mass by HPLC.

Published in:

Chemistry - A European Journal, 2011, v. 17, n. 47, p. 13341, doi. 10.1002/chem.201100725

By:

McGrath, John W.;
Hammerschmidt, Friedrich;
Kählig, Hanspeter;
Wuggenig, Frank;
Lamprecht, Günther;
Quinn, John P.

Publication type:

Article

Preparation of Enantiopure Chiral Amino-[D1]methyllithium Compounds and Determination of Their Micro- and Macroscopic Configurational Stabilities.

Published in:

Chemistry - A European Journal, 2009, v. 15, n. 23, p. 5729, doi. 10.1002/chem.200802668

By:

Kapeller, Dagmar C.;
Hammerschmidt, Friedrich

Publication type:

Article

Preparation of α-Aminobenzylphosphonic Acids with a Stereogenic Quaternary Carbon Atom via Microscopically Configurationally Stable α-Aminobenzyllithiums.

Published in:

Chemistry - A European Journal, 2008, v. 14, n. 28, p. 8603, doi. 10.1002/chem.200800475

By:

Kuliszewska, Edyta;
Hanbauer, Martin;
Hammerschmidt, Friedrich

Publication type:

Article

Configurational Stability of Oxymethyllithiums as Intermediates in Intramolecular Rearrangements.

Published in:

Chemistry - A European Journal, 2007, v. 13, n. 34, p. 9582, doi. 10.1002/chem.200701054

By:

Kapeller, Dagmar C.;
Brecker, Lothar;
Hammerschmidt, Friedrich

Publication type:

Article

The Stereochemical Course of the α-Hydroxyphosphonate-Phosphate Rearrangement.

Published in:

Chemistry - A European Journal, 2015, v. 21, n. 28, p. 10200, doi. 10.1002/chem.201406661

By:

Pallitsch, Katharina;
Roller, Alexander;
Hammerschmidt, Friedrich

Publication type:

Article

On the Configurational Stability of Chiral, Nonracemic Fluoro- and Iodo-[D1]Methyllithiums.

Published in:

Chemistry - A European Journal, 2014, v. 20, n. 14, p. 4086, doi. 10.1002/chem.201304766

By:

Kail, Dagmar C.;
Malova Krizkova, Petra;
Wieczorek, Anna;
Hammerschmidt, Friedrich

Publication type:

Article

2-Nitroimidazole-Furanoside Derivatives for Hypoxia Imaging—Investigation of Nucleoside Transporter Interaction, 18F-Labeling and Preclinical PET Imaging.

Published in:

Pharmaceuticals (14248247), 2019, v. 12, n. 1, p. 31, doi. 10.3390/ph12010031

By:

Maier, Florian C.;
Schweifer, Anna;
Damaraju, Vijaya L.;
Cass, Carol E.;
Bowden, Gregory D.;
Ehrlichmann, Walter;
Kneilling, Manfred;
Pichler, Bernd J.;
Hammerschmidt, Friedrich;
Reischl, Gerald

Publication type:

Article

A Methylidene Group in the Phosphonic Acid Analogue of Phenylalanine Reverses the Enantiopreference of Binding to Phenylalanine Ammonia-Lyases.

Published in:

Advanced Synthesis & Catalysis, 2017, v. 359, n. 12, p. 2109, doi. 10.1002/adsc.201700428

By:

Bata, Zsófia;
Qian, Renzhe;
Roller, Alexander;
Horak, Jeannie;
Bencze, László Csaba;
Paizs, Csaba;
Hammerschmidt, Friedrich;
Vértessy, Beáta G.;
Poppe, László

Publication type:

Article

Chemoenzymatic Synthesis of Phosphonic Acid Analogues of.

Published in:

European Journal of Organic Chemistry, 2011, v. 2011, n. 10, p. 1870, doi. 10.1002/ejoc.201001501

By:

Wuggenig, Frank;
Schweifer, Anna;
Mereiter, Kurt;
Hammerschmidt, Friedrich

Publication type:

Article

Configurational Stability and Stannylation of Dipole-Stabilised Cyclic Tertiary Benzylic α-Oxycarbanions, which Occurs with Retention or Inversion of Configuration Depending on R and X of R3SnX Used.

Published in:

European Journal of Organic Chemistry, 1999, v. 1999, n. 12, p. 3511, doi. 10.1002/(sici)1099-0690(199912)1999:12<3511::aid-ejoc3511>3.3.co;2-p

By:

Hammerschmidt, Friedrich;
Hanninger, Achim;
Simov, Biljana Peric;
Völlenkle, Horst;
Werner, Andreas

Publication type:

Article

Works by Hammerschmidt, Friedrich

Low-molecular-weight chiral cation exchangers: Novel chiral stationary phases and their application for enantioseparation of chiral bases by nonaqueous capillary electrochromatography.

Simultaneous separation of the stereoisomers of 1-amino-2-hydroxy and 2-amino-1-hydroxypropane phosphonic acids by stereoselective capillary electrophoresis employing a quinine carbamate type chiral selector.

On the Configurational Stability of Chiral Heteroatom-Substituted [D<sub>1</sub>]Methylpalladium Complexes as Intermediates of Stille and Suzuki-Miyaura Cross-Coupling Reactions.

On the Transformation of ( S)-2-Hydroxypropylphosphonic Acid into Fosfomycin in Streptomyces fradiae-A Unique Method of Epoxide Ring Formation.

Strong versus weak chiral cation exchangers: Comparative evaluation for enantiomer separation of chiral bases by non-aqueous CEC.

Front Cover: Biosynthesis of the Fungal Organophosphonate Fosfonochlorin Involves an Iron(II) and 2‐(Oxo)glutarate Dependent Oxacyclase (ChemBioChem 2/2022).

Biosynthesis of the Fungal Organophosphonate Fosfonochlorin Involves an Iron(II) and 2‐(Oxo)glutarate Dependent Oxacyclase.

Radiosynthesis of [124I]iodometomidate and biological evaluation using small-animal PET.

Radiosynthesis of [I]Iodometomidate and Biological Evaluation Using Small-Animal PET.

Formal synthesis of P-chiral [<sup>16</sup>O,<sup>17</sup>O,<sup>18</sup>O]phosphoenol pyruvates by means of the α-hydroxyphosphonate-phosphate rearrangement.

Conversion of nitriles to 1-aminophosphonic acids and preparation of phosphahomocysteines of high enantiomeric excess.

THE PHOSPHATE-PHOSPHONATE AND PHOSPHONATE-PHOSPHATE REARRANGEMENTS AND THEIR APPLICATIONS - 7[1]: USE OF t -BUTYL AS PROTECTING GROUP AND SYNTHESIS OF CHIRAL, NONRACEMIC α-HYDROXYPHOSPHONATES.

Chemoenzymatic Synthesis of α-Aminophosphonic Acids.

Phosphate-Phosphonate Rearrangement of Aliphatic Phosphates.

ENZYMES IN ORGANIC CHEMISTRY, 8. PROTEASE-CATALYZED KINETIC RESOLUTION OF α-CHLOROACETOXYPHOSPHONATES IN A BIPHASIC SYSTEM.

ENZYMES IN ORGANIC CHEMISTRY 7. EVALUATION OF HOMOCHIRAL t-BUTYL(PHENYL)PHOSPHINOTHIOIC ACID FOR THE DETERMINATION OF ENANTIOMERIC EXCESSES AND ABSOLUTE CONFIGURATIONS OF α-SUBSTITUTED PHOSPHONATES.

Biosynthesis of Natural Products with a P-C Bond: Incorporation of D -[1- H 1 ]Glucose into 2-Aminoethylphosphonic Acid in Tetrahymena Thermophila and of D -[1- H 1 ]Glucose and L -[Methyl- H 3 ]Methionine into Fosfomycin in Streptomyces Fradiae.

Incorporation of L-[Methyl-<sup>2</sup>H<sub>3</sub>]methionine and 2-[Hydroxy-<sup>18</sup>O]hydroxyethylphosphonic Acid into Fosfomycin in Streptomyces fradiae-An Unusual Methyl Transfer.

Studies on the Biodegradation of Fosfomycin: Synthesis of <sup>13</sup>C-Labeled Intermediates, Feeding Experiments with Rhizobium huakuii PMY1, and Isolation of Labeled Amino Acids from Cell Mass by HPLC.

Preparation of Enantiopure Chiral Amino-[D<sub>1</sub>]methyllithium Compounds and Determination of Their Micro- and Macroscopic Configurational Stabilities.

Preparation of α-Aminobenzylphosphonic Acids with a Stereogenic Quaternary Carbon Atom via Microscopically Configurationally Stable α-Aminobenzyllithiums.

Configurational Stability of Oxymethyllithiums as Intermediates in Intramolecular Rearrangements.

The Stereochemical Course of the α-Hydroxyphosphonate-Phosphate Rearrangement.

On the Configurational Stability of Chiral, Nonracemic Fluoro- and Iodo-[D<sub>1</sub>]Methyllithiums.

2-Nitroimidazole-Furanoside Derivatives for Hypoxia Imaging—Investigation of Nucleoside Transporter Interaction, 18F-Labeling and Preclinical PET Imaging.

A Methylidene Group in the Phosphonic Acid Analogue of Phenylalanine Reverses the Enantiopreference of Binding to Phenylalanine Ammonia-Lyases.

Chemoenzymatic Synthesis of Phosphonic Acid Analogues of.

Configurational Stability and Stannylation of Dipole-Stabilised Cyclic Tertiary Benzylic α-Oxycarbanions, which Occurs with Retention or Inversion of Configuration Depending on R and X of R<sub>3</sub>SnX Used.