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Select item 88224921.

Enantioselective Flow Synthesis of Rolipram Enabled by a Telescoped Asymmetric Conjugate Addition–Oxidative Aldehyde Esterification Sequence Using in Situ-Generated Persulfuric Acid as Oxidant

Bence S. Nagy, Patricia Llanes, Miquel A. Pericas, C. Oliver Kappe, Sándor B. Ötvös

Org Lett. 2022 Feb 4; 24(4): 1066–1071. Published online 2022 Jan 20. doi: 10.1021/acs.orglett.1c04300

PMCID:: PMC8822492

Article PDF–1.7M

Select item 32596852.

Enantioselective Aldehyde α-Nitroalkylation via Oxidative Organocatalysis

Jonathan E. Wilson, Anthony D. Casarez, David W. C. MacMillan

J Am Chem Soc. Author manuscript; available in PMC 2012 Jan 17.

Published in final edited form as: J Am Chem Soc. 2009 Aug 19; 131(32): 11332–11334. doi: 10.1021/ja904504j

PMCID:: PMC3259685

Article PDF–2.4M

Select item 81483793.

Effect of the enamine pyramidalization direction on the reactivity of secondary amine organocatalysts

Tobias Schnitzer, Jasper S. Möhler, Helma Wennemers

Chem Sci. 2020 Feb 21; 11(7): 1943–1947. Published online 2020 Jan 7. doi: 10.1039/c9sc05410c

PMCID:: PMC8148379

Article PDF–651K

Select item 85768024.

Unlocking Asymmetric Michael Additions in an Archetypical Class I Aldolase by Directed Evolution

Andreas Kunzendorf, Guangcai Xu, Jesse J. H. van der Velde, Henriëtte J. Rozeboom, Andy-Mark W. H. Thunnissen, Gerrit J. Poelarends

ACS Catal. 2021 Nov 5; 11(21): 13236–13243. Published online 2021 Oct 15. doi: 10.1021/acscatal.1c03911

PMCID:: PMC8576802

Article PDF–2.8M

Select item 61527905.

Recent Advances in Asymmetric Organocatalyzed Conjugate Additions to Nitroalkenes

Diego A. Alonso, Alejandro Baeza, Rafael Chinchilla, Cecilia Gómez, Gabriela Guillena, Isidro M. Pastor, Diego J. Ramón

Molecules. 2017 Jun; 22(6): 895. Published online 2017 May 29. doi: 10.3390/molecules22060895

PMCID:: PMC6152790

Article PDF–14M

Select item 66047086.

Ugi reaction-derived prolyl peptide catalysts grafted on the renewable polymer polyfurfuryl alcohol for applications in heterogeneous enamine catalysis

Alexander F de la Torre, Gabriel S Scatena, Oscar Valdés, Daniel G Rivera, Márcio W Paixão

Beilstein J Org Chem. 2019; 15: 1210–1216. Published online 2019 Jun 4. doi: 10.3762/bjoc.15.118

PMCID:: PMC6604708

Article PDF–317K

Select item 65034667.

Biocatalytic Asymmetric Michael Additions of Nitromethane to α,β-Unsaturated Aldehydes via Enzyme-bound Iminium Ion Intermediates

Chao Guo, Mohammad Saifuddin, Thangavelu Saravanan, Masih Sharifi, Gerrit J. Poelarends

ACS Catal. 2019 May 3; 9(5): 4369–4373. Published online 2019 Apr 10. doi: 10.1021/acscatal.9b00780

PMCID:: PMC6503466

Article PDF–989K

Select item 75739198.

Telescoped Continuous Flow Synthesis of Optically Active γ-Nitrobutyric Acids as Key Intermediates of Baclofen, Phenibut, and Fluorophenibut

Sándor B. Ötvös, Patricia Llanes, Miquel A. Pericàs, C. Oliver Kappe

Org Lett. 2020 Oct 16; 22(20): 8122–8126. Published online 2020 Oct 7. doi: 10.1021/acs.orglett.0c03100

PMCID:: PMC7573919

Article PDF–2.2M

Select item 93065459.

Enantiocomplementary Michael Additions of Acetaldehyde to Aliphatic Nitroalkenes Catalyzed by Proline‐Based Carboligases

Andreas Kunzendorf, Dr. Mohammad Saifuddin, Prof. Dr. Gerrit J. Poelarends

Chembiochem. 2022 Mar 18; 23(6): e202100644. Published online 2022 Feb 2. doi: 10.1002/cbic.202100644

PMCID:: PMC9306545

Article PDF–3.0M

Select item 1010761010.

Harnessing a Continuous‐Flow Persulfuric Acid Generator for Direct Oxidative Aldehyde Esterifications

Bence S. Nagy, Gang Fu, Dr. Christopher A. Hone, Prof. C. Oliver Kappe, Dr. Sándor B. Ötvös

ChemSusChem. 2023 Jan 20; 16(2): e202201868. Published online 2022 Dec 5. doi: 10.1002/cssc.202201868

PMCID:: PMC10107610

Article PDF–1.9M

Select item 930675311.

Gene Fusion and Directed Evolution to Break Structural Symmetry and Boost Catalysis by an Oligomeric C−C Bond‐Forming Enzyme

Guangcai Xu, Andreas Kunzendorf, Michele Crotti, Henriëtte J. Rozeboom, Andy‐Mark W. H. Thunnissen, Gerrit J. Poelarends

Angew Chem Int Ed Engl. 2022 Feb 14; 61(8): e202113970. Published online 2021 Dec 27. doi: 10.1002/anie.202113970

PMCID:: PMC9306753

Article PDF–1.5M

Select item 636668312.

Enantioselective Synthesis of Pharmaceutically Active γ-Aminobutyric Acids Using a Tailor-Made Artificial Michaelase in One-Pot Cascade Reactions

Lieuwe Biewenga, Thangavelu Saravanan, Andreas Kunzendorf, Jan-Ytzen van der Meer, Tjaard Pijning, Pieter G. Tepper, Ronald van Merkerk, Simon J. Charnock, Andy-Mark W. H. Thunnissen, Gerrit J. Poelarends

ACS Catal. 2019 Feb 1; 9(2): 1503–1513. Published online 2019 Jan 7. doi: 10.1021/acscatal.8b04299

PMCID:: PMC6366683

Article PDF–2.7M

Select item 478678513.

Using mutability landscapes of a promiscuous tautomerase to guide the engineering of enantioselective Michaelases

Jan-Ytzen van der Meer, Harshwardhan Poddar, Bert-Jan Baas, Yufeng Miao, Mehran Rahimi, Andreas Kunzendorf, Ronald van Merkerk, Pieter G. Tepper, Edzard M. Geertsema, Andy-Mark W. H. Thunnissen, Wim J. Quax, Gerrit J. Poelarends

Nat Commun. 2016; 7: 10911. Published online 2016 Mar 8. doi: 10.1038/ncomms10911