--- _id: '62090' abstract: - lang: eng text: The selective N-formylation and N-methylation of amines with carbon dioxide (CO2) catalyzed by methyltriphenylphosphonium methylcarbonate and tuned by polymethylhydrosiloxane or trimethoxysilane as reducing agents is reported. author: - first_name: Changyue full_name: Ren, Changyue last_name: Ren - first_name: Constanza full_name: Terazzi, Constanza last_name: Terazzi - first_name: Thomas full_name: Werner, Thomas id: '89271' last_name: Werner orcid: 0000-0001-9025-3244 citation: ama: Ren C, Terazzi C, Werner T. Tuneable reduction of CO₂ – organocatalyzed selective formylation and methylation of amines. Green Chemistry. 2024;26(1):439-447. doi:10.1039/d3gc03993e apa: Ren, C., Terazzi, C., & Werner, T. (2024). Tuneable reduction of CO₂ – organocatalyzed selective formylation and methylation of amines. Green Chemistry, 26(1), 439–447. https://doi.org/10.1039/d3gc03993e bibtex: '@article{Ren_Terazzi_Werner_2024, title={Tuneable reduction of CO₂ – organocatalyzed selective formylation and methylation of amines}, volume={26}, DOI={10.1039/d3gc03993e}, number={1}, journal={Green Chemistry}, publisher={Royal Society of Chemistry (RSC)}, author={Ren, Changyue and Terazzi, Constanza and Werner, Thomas}, year={2024}, pages={439–447} }' chicago: 'Ren, Changyue, Constanza Terazzi, and Thomas Werner. “Tuneable Reduction of CO₂ – Organocatalyzed Selective Formylation and Methylation of Amines.” Green Chemistry 26, no. 1 (2024): 439–47. https://doi.org/10.1039/d3gc03993e.' ieee: 'C. Ren, C. Terazzi, and T. Werner, “Tuneable reduction of CO₂ – organocatalyzed selective formylation and methylation of amines,” Green Chemistry, vol. 26, no. 1, pp. 439–447, 2024, doi: 10.1039/d3gc03993e.' mla: Ren, Changyue, et al. “Tuneable Reduction of CO₂ – Organocatalyzed Selective Formylation and Methylation of Amines.” Green Chemistry, vol. 26, no. 1, Royal Society of Chemistry (RSC), 2024, pp. 439–47, doi:10.1039/d3gc03993e. short: C. Ren, C. Terazzi, T. Werner, Green Chemistry 26 (2024) 439–447. date_created: 2025-11-05T15:16:32Z date_updated: 2025-11-10T08:44:44Z department: - _id: '35' - _id: '2' doi: 10.1039/d3gc03993e intvolume: ' 26' issue: '1' keyword: - T1 - T2 - CSSD language: - iso: eng page: 439-447 publication: Green Chemistry publication_identifier: issn: - 1463-9262 - 1463-9270 publication_status: published publisher: Royal Society of Chemistry (RSC) status: public title: Tuneable reduction of CO₂ – organocatalyzed selective formylation and methylation of amines type: journal_article user_id: '89271' volume: 26 year: '2024' ... --- _id: '37945' abstract: - lang: eng text:

PMHS proved to be a suitable terminal reductant for P(iii)/P(v) redox cycling with a methyl-substituted phosphetane as catalyst and BuOAc as solvent. The formation of water by silanol condensation was identified as main pathway of siloxane formation.

author: - first_name: Jan full_name: Tönjes, Jan last_name: Tönjes - first_name: Lars full_name: Longwitz, Lars last_name: Longwitz - first_name: Thomas full_name: Werner, Thomas id: '89271' last_name: Werner orcid: 0000-0001-9025-3244 citation: ama: Tönjes J, Longwitz L, Werner T. Poly(methylhydrosiloxane) as a reductant in the catalytic base-free Wittig reaction. Green Chemistry. 2021;23(13):4852-4857. doi:10.1039/d1gc00953b apa: Tönjes, J., Longwitz, L., & Werner, T. (2021). Poly(methylhydrosiloxane) as a reductant in the catalytic base-free Wittig reaction. Green Chemistry, 23(13), 4852–4857. https://doi.org/10.1039/d1gc00953b bibtex: '@article{Tönjes_Longwitz_Werner_2021, title={Poly(methylhydrosiloxane) as a reductant in the catalytic base-free Wittig reaction}, volume={23}, DOI={10.1039/d1gc00953b}, number={13}, journal={Green Chemistry}, publisher={Royal Society of Chemistry (RSC)}, author={Tönjes, Jan and Longwitz, Lars and Werner, Thomas}, year={2021}, pages={4852–4857} }' chicago: 'Tönjes, Jan, Lars Longwitz, and Thomas Werner. “Poly(Methylhydrosiloxane) as a Reductant in the Catalytic Base-Free Wittig Reaction.” Green Chemistry 23, no. 13 (2021): 4852–57. https://doi.org/10.1039/d1gc00953b.' ieee: 'J. Tönjes, L. Longwitz, and T. Werner, “Poly(methylhydrosiloxane) as a reductant in the catalytic base-free Wittig reaction,” Green Chemistry, vol. 23, no. 13, pp. 4852–4857, 2021, doi: 10.1039/d1gc00953b.' mla: Tönjes, Jan, et al. “Poly(Methylhydrosiloxane) as a Reductant in the Catalytic Base-Free Wittig Reaction.” Green Chemistry, vol. 23, no. 13, Royal Society of Chemistry (RSC), 2021, pp. 4852–57, doi:10.1039/d1gc00953b. short: J. Tönjes, L. Longwitz, T. Werner, Green Chemistry 23 (2021) 4852–4857. date_created: 2023-01-22T20:25:13Z date_updated: 2025-11-10T08:48:01Z department: - _id: '35' - _id: '2' - _id: '657' doi: 10.1039/d1gc00953b intvolume: ' 23' issue: '13' keyword: - T2 - CSSD language: - iso: eng page: 4852-4857 publication: Green Chemistry publication_identifier: issn: - 1463-9262 - 1463-9270 publication_status: published publisher: Royal Society of Chemistry (RSC) status: public title: Poly(methylhydrosiloxane) as a reductant in the catalytic base-free Wittig reaction type: journal_article user_id: '89271' volume: 23 year: '2021' ... --- _id: '37961' abstract: - lang: eng text:

The reduction of poly and cyclic carbonates in the presence of an earth abundant metal catalyst using isopropanol as the hydrogen donor is reported.

author: - first_name: Xin full_name: Liu, Xin last_name: Liu - first_name: Johannes G. full_name: de Vries, Johannes G. last_name: de Vries - first_name: Thomas full_name: Werner, Thomas id: '89271' last_name: Werner orcid: 0000-0001-9025-3244 citation: ama: Liu X, de Vries JG, Werner T. Transfer hydrogenation of cyclic carbonates and polycarbonate to methanol and diols by iron pincer catalysts. Green Chemistry. 2019;21(19):5248-5255. doi:10.1039/c9gc02052g apa: Liu, X., de Vries, J. G., & Werner, T. (2019). Transfer hydrogenation of cyclic carbonates and polycarbonate to methanol and diols by iron pincer catalysts. Green Chemistry, 21(19), 5248–5255. https://doi.org/10.1039/c9gc02052g bibtex: '@article{Liu_de Vries_Werner_2019, title={Transfer hydrogenation of cyclic carbonates and polycarbonate to methanol and diols by iron pincer catalysts}, volume={21}, DOI={10.1039/c9gc02052g}, number={19}, journal={Green Chemistry}, publisher={Royal Society of Chemistry (RSC)}, author={Liu, Xin and de Vries, Johannes G. and Werner, Thomas}, year={2019}, pages={5248–5255} }' chicago: 'Liu, Xin, Johannes G. de Vries, and Thomas Werner. “Transfer Hydrogenation of Cyclic Carbonates and Polycarbonate to Methanol and Diols by Iron Pincer Catalysts.” Green Chemistry 21, no. 19 (2019): 5248–55. https://doi.org/10.1039/c9gc02052g.' ieee: 'X. Liu, J. G. de Vries, and T. Werner, “Transfer hydrogenation of cyclic carbonates and polycarbonate to methanol and diols by iron pincer catalysts,” Green Chemistry, vol. 21, no. 19, pp. 5248–5255, 2019, doi: 10.1039/c9gc02052g.' mla: Liu, Xin, et al. “Transfer Hydrogenation of Cyclic Carbonates and Polycarbonate to Methanol and Diols by Iron Pincer Catalysts.” Green Chemistry, vol. 21, no. 19, Royal Society of Chemistry (RSC), 2019, pp. 5248–55, doi:10.1039/c9gc02052g. short: X. Liu, J.G. de Vries, T. Werner, Green Chemistry 21 (2019) 5248–5255. date_created: 2023-01-22T20:43:38Z date_updated: 2025-11-10T08:55:06Z department: - _id: '35' - _id: '2' - _id: '657' doi: 10.1039/c9gc02052g extern: '1' intvolume: ' 21' issue: '19' keyword: - T3 - CSSD language: - iso: eng page: 5248-5255 publication: Green Chemistry publication_identifier: issn: - 1463-9262 - 1463-9270 publication_status: published publisher: Royal Society of Chemistry (RSC) status: public title: Transfer hydrogenation of cyclic carbonates and polycarbonate to methanol and diols by iron pincer catalysts type: journal_article user_id: '89271' volume: 21 year: '2019' ... --- _id: '37973' abstract: - lang: eng text:

An immobilized bifunctional phosphonium salt catalyst efficiently catalyzed the synthesis of cyclic carbonates under mild conditions, and was reused up to 15 times.

author: - first_name: J. full_name: Steinbauer, J. last_name: Steinbauer - first_name: L. full_name: Longwitz, L. last_name: Longwitz - first_name: M. full_name: Frank, M. last_name: Frank - first_name: J. full_name: Epping, J. last_name: Epping - first_name: U. full_name: Kragl, U. last_name: Kragl - first_name: Thomas full_name: Werner, Thomas id: '89271' last_name: Werner orcid: 0000-0001-9025-3244 citation: ama: Steinbauer J, Longwitz L, Frank M, Epping J, Kragl U, Werner T. Immobilized bifunctional phosphonium salts as recyclable organocatalysts in the cycloaddition of CO₂ and epoxides. Green Chemistry. 2017;19(18):4435-4445. doi:10.1039/c7gc01782k apa: Steinbauer, J., Longwitz, L., Frank, M., Epping, J., Kragl, U., & Werner, T. (2017). Immobilized bifunctional phosphonium salts as recyclable organocatalysts in the cycloaddition of CO₂ and epoxides. Green Chemistry, 19(18), 4435–4445. https://doi.org/10.1039/c7gc01782k bibtex: '@article{Steinbauer_Longwitz_Frank_Epping_Kragl_Werner_2017, title={Immobilized bifunctional phosphonium salts as recyclable organocatalysts in the cycloaddition of CO₂ and epoxides}, volume={19}, DOI={10.1039/c7gc01782k}, number={18}, journal={Green Chemistry}, publisher={Royal Society of Chemistry (RSC)}, author={Steinbauer, J. and Longwitz, L. and Frank, M. and Epping, J. and Kragl, U. and Werner, Thomas}, year={2017}, pages={4435–4445} }' chicago: 'Steinbauer, J., L. Longwitz, M. Frank, J. Epping, U. Kragl, and Thomas Werner. “Immobilized Bifunctional Phosphonium Salts as Recyclable Organocatalysts in the Cycloaddition of CO₂ and Epoxides.” Green Chemistry 19, no. 18 (2017): 4435–45. https://doi.org/10.1039/c7gc01782k.' ieee: 'J. Steinbauer, L. Longwitz, M. Frank, J. Epping, U. Kragl, and T. Werner, “Immobilized bifunctional phosphonium salts as recyclable organocatalysts in the cycloaddition of CO₂ and epoxides,” Green Chemistry, vol. 19, no. 18, pp. 4435–4445, 2017, doi: 10.1039/c7gc01782k.' mla: Steinbauer, J., et al. “Immobilized Bifunctional Phosphonium Salts as Recyclable Organocatalysts in the Cycloaddition of CO₂ and Epoxides.” Green Chemistry, vol. 19, no. 18, Royal Society of Chemistry (RSC), 2017, pp. 4435–45, doi:10.1039/c7gc01782k. short: J. Steinbauer, L. Longwitz, M. Frank, J. Epping, U. Kragl, T. Werner, Green Chemistry 19 (2017) 4435–4445. date_created: 2023-01-22T20:57:38Z date_updated: 2025-11-10T09:18:10Z department: - _id: '35' - _id: '2' - _id: '657' doi: 10.1039/c7gc01782k extern: '1' intvolume: ' 19' issue: '18' keyword: - T1 - T2 - CSSD language: - iso: eng page: 4435-4445 publication: Green Chemistry publication_identifier: issn: - 1463-9262 - 1463-9270 publication_status: published publisher: Royal Society of Chemistry (RSC) status: public title: Immobilized bifunctional phosphonium salts as recyclable organocatalysts in the cycloaddition of CO₂ and epoxides type: journal_article user_id: '89271' volume: 19 year: '2017' ... --- _id: '37975' abstract: - lang: eng text: '

Calcium punched beyond its weight: An in situ formed Ca²⁺–crown ether complex showed unprecedented efficiency in cyclic carbonate synthesis.

' author: - first_name: J. full_name: Steinbauer, J. last_name: Steinbauer - first_name: A. full_name: Spannenberg, A. last_name: Spannenberg - first_name: Thomas full_name: Werner, Thomas id: '89271' last_name: Werner orcid: 0000-0001-9025-3244 citation: ama: Steinbauer J, Spannenberg A, Werner T. An in situ formed Ca²⁺–crown ether complex and its use in CO₂-fixation reactions with terminal and internal epoxides. Green Chemistry. 2017;19(16):3769-3779. doi:10.1039/c7gc01114h apa: Steinbauer, J., Spannenberg, A., & Werner, T. (2017). An in situ formed Ca²⁺–crown ether complex and its use in CO₂-fixation reactions with terminal and internal epoxides. Green Chemistry, 19(16), 3769–3779. https://doi.org/10.1039/c7gc01114h bibtex: '@article{Steinbauer_Spannenberg_Werner_2017, title={An in situ formed Ca²⁺–crown ether complex and its use in CO₂-fixation reactions with terminal and internal epoxides}, volume={19}, DOI={10.1039/c7gc01114h}, number={16}, journal={Green Chemistry}, publisher={Royal Society of Chemistry (RSC)}, author={Steinbauer, J. and Spannenberg, A. and Werner, Thomas}, year={2017}, pages={3769–3779} }' chicago: 'Steinbauer, J., A. Spannenberg, and Thomas Werner. “An in Situ Formed Ca²⁺–Crown Ether Complex and Its Use in CO₂-Fixation Reactions with Terminal and Internal Epoxides.” Green Chemistry 19, no. 16 (2017): 3769–79. https://doi.org/10.1039/c7gc01114h.' ieee: 'J. Steinbauer, A. Spannenberg, and T. Werner, “An in situ formed Ca²⁺–crown ether complex and its use in CO₂-fixation reactions with terminal and internal epoxides,” Green Chemistry, vol. 19, no. 16, pp. 3769–3779, 2017, doi: 10.1039/c7gc01114h.' mla: Steinbauer, J., et al. “An in Situ Formed Ca²⁺–Crown Ether Complex and Its Use in CO₂-Fixation Reactions with Terminal and Internal Epoxides.” Green Chemistry, vol. 19, no. 16, Royal Society of Chemistry (RSC), 2017, pp. 3769–79, doi:10.1039/c7gc01114h. short: J. Steinbauer, A. Spannenberg, T. Werner, Green Chemistry 19 (2017) 3769–3779. date_created: 2023-01-22T20:59:12Z date_updated: 2025-11-10T09:18:18Z department: - _id: '35' - _id: '2' - _id: '657' doi: 10.1039/c7gc01114h extern: '1' intvolume: ' 19' issue: '16' keyword: - T1 - T3 - CSSD language: - iso: eng page: 3769-3779 publication: Green Chemistry publication_identifier: issn: - 1463-9262 - 1463-9270 publication_status: published publisher: Royal Society of Chemistry (RSC) status: public title: An in situ formed Ca²⁺–crown ether complex and its use in CO₂-fixation reactions with terminal and internal epoxides type: journal_article user_id: '89271' volume: 19 year: '2017' ... --- _id: '37983' abstract: - lang: eng text:

Taking Control!The binary catalyst system composed of MoO₃and an organic phoshponium salt [Bu₄P]X proved very efficient to produce oleochemical cyclic carbonates from renewables.

author: - first_name: Nils full_name: Tenhumberg, Nils last_name: Tenhumberg - first_name: Hendrik full_name: Büttner, Hendrik last_name: Büttner - first_name: Benjamin full_name: Schäffner, Benjamin last_name: Schäffner - first_name: Daniela full_name: Kruse, Daniela last_name: Kruse - first_name: Michael full_name: Blumenstein, Michael last_name: Blumenstein - first_name: Thomas full_name: Werner, Thomas id: '89271' last_name: Werner orcid: 0000-0001-9025-3244 citation: ama: Tenhumberg N, Büttner H, Schäffner B, Kruse D, Blumenstein M, Werner T. Cooperative catalyst system for the synthesis of oleochemical cyclic carbonates from CO₂and renewables. Green Chemistry. 2016;18(13):3775-3788. doi:10.1039/c6gc00671j apa: Tenhumberg, N., Büttner, H., Schäffner, B., Kruse, D., Blumenstein, M., & Werner, T. (2016). Cooperative catalyst system for the synthesis of oleochemical cyclic carbonates from CO₂and renewables. Green Chemistry, 18(13), 3775–3788. https://doi.org/10.1039/c6gc00671j bibtex: '@article{Tenhumberg_Büttner_Schäffner_Kruse_Blumenstein_Werner_2016, title={Cooperative catalyst system for the synthesis of oleochemical cyclic carbonates from CO₂and renewables}, volume={18}, DOI={10.1039/c6gc00671j}, number={13}, journal={Green Chemistry}, publisher={Royal Society of Chemistry (RSC)}, author={Tenhumberg, Nils and Büttner, Hendrik and Schäffner, Benjamin and Kruse, Daniela and Blumenstein, Michael and Werner, Thomas}, year={2016}, pages={3775–3788} }' chicago: 'Tenhumberg, Nils, Hendrik Büttner, Benjamin Schäffner, Daniela Kruse, Michael Blumenstein, and Thomas Werner. “Cooperative Catalyst System for the Synthesis of Oleochemical Cyclic Carbonates from CO₂and Renewables.” Green Chemistry 18, no. 13 (2016): 3775–88. https://doi.org/10.1039/c6gc00671j.' ieee: 'N. Tenhumberg, H. Büttner, B. Schäffner, D. Kruse, M. Blumenstein, and T. Werner, “Cooperative catalyst system for the synthesis of oleochemical cyclic carbonates from CO₂and renewables,” Green Chemistry, vol. 18, no. 13, pp. 3775–3788, 2016, doi: 10.1039/c6gc00671j.' mla: Tenhumberg, Nils, et al. “Cooperative Catalyst System for the Synthesis of Oleochemical Cyclic Carbonates from CO₂and Renewables.” Green Chemistry, vol. 18, no. 13, Royal Society of Chemistry (RSC), 2016, pp. 3775–88, doi:10.1039/c6gc00671j. short: N. Tenhumberg, H. Büttner, B. Schäffner, D. Kruse, M. Blumenstein, T. Werner, Green Chemistry 18 (2016) 3775–3788. date_created: 2023-01-22T21:03:02Z date_updated: 2025-11-10T09:20:35Z department: - _id: '35' - _id: '2' - _id: '657' doi: 10.1039/c6gc00671j extern: '1' intvolume: ' 18' issue: '13' keyword: - T1 - T3 - CSSD language: - iso: eng page: 3775-3788 publication: Green Chemistry publication_identifier: issn: - 1463-9262 - 1463-9270 publication_status: published publisher: Royal Society of Chemistry (RSC) status: public title: Cooperative catalyst system for the synthesis of oleochemical cyclic carbonates from CO₂and renewables type: journal_article user_id: '89271' volume: 18 year: '2016' ...