Results 281 to 290 of about 81,237 (352)

SnO2‐C60 Pyrrolidine Tris‐Acid (CPTA) as the Electron Transport Layer for Highly Efficient and Stable Planar Sn‐Based Perovskite Solar Cells

Advanced Functional Materials, 2019
For solar cell applications, Sn‐based hybrid perovskites have drawn particular interest due to their environmental friendliness. Here, a thin layer of C60 pyrrolidine tris‐acid (CPTA) is found essential for achieving high efficiency with planar solar ...
Zijiang Yang, Mei-jin Zhong, Yongqi Liang, Liangwei Yang, Xingyi Liu, Qi Li, Jin Zhang, Dongsheng Xu   +7 more
semanticscholar   +1 more source

Profiling the Privileges of Pyrrolidine-Based Catalysts in Asymmetric Synthesis: From Polar to Light-Driven Radical Chemistry

ACS Catalysis, 2019
Asymmetric catalysis is a rapidly evolving field in synthetic chemistry. This is due to the growing needs of stereoselective synthetic routes to access enantiopure natural products and bioactive molecules.
Alberto Vega‐Peñaloza, Suva Paria, M. Bonchio, Luca Dell’Amico, X. Companyó   +4 more
semanticscholar   +1 more source

Synthesis of 7'-arylidenespiro[indoline-3,1'-pyrrolizines] and 7'-arylidenespiro[indene-2,1'-pyrrolizines] via [3+2] Cycloaddition and β-C-H Functionalized Pyrrolidine.

Journal of Organic Chemistry, 2019
The acetic acid catalyzed three-component reaction of pyrrolidine, aromatic aldehydes and 3-arylideneoxindolin-2-ones in refluxing toluene afforded functionalized 7'-arylidenespiro[indoline-3,1'-pyrrolizines] in good yields and with high ...
Ying-Hui Huang, Hui-Lin Fang, Yi-Xin Huang, Jing Sun, Chaoguo Yan   +4 more
semanticscholar   +1 more source

Development of an Enantioselective [3 + 2] Cycloaddition To Synthesize the Pyrrolidine Core of ABBV-3221 on Multikilogram Scale

Organic Process Research & Development, 2019
The tetrasubstituted pyrrolidine core of ABBV-3221 was synthesized by catalytic, enantioselective cycloaddition. A Cu(I) catalyst system was identified as ideal for further development, which gave a 78% yield of 99% purity product after optimization. The
J. Hartung, Stephen N. Greszler, R. Klix, J. Kallemeyn   +3 more
semanticscholar   +1 more source

Asymmetric Construction of Bispiro[oxindole-pyrrolidine-rhodanine]s via Squaramide-Catalyzed Domino Michael/Mannich [3 + 2] Cycloaddition of Rhodanine Derivatives with N-(2,2,2-Trifluoroethyl)isatin Ketimines.

Journal of Organic Chemistry, 2018
Squaramide-catalyzed asymmetric domino Michael/Mannich [3 + 2] cycloaddition reaction between rhodanine derivatives and N-(2,2,2-trifluoroethyl)isatin ketimines has been developed to synthesize various bispiro[oxindole-pyrrolidine-rhodanine]s with good ...
Yong-Xing Song, D. Du
semanticscholar   +1 more source

Synthesis of Spiro[oxindole-3,2'-pyrrolidine] Derivatives from Benzynes and Azomethine Ylides through 1,3-Dipolar Cycloaddition Reactions.

Journal of Organic Chemistry, 2018
A novel synthetic strategy employing benzyne and azomethine ylides for the construction of spiro[oxindole-3,2'-pyrrolidine] derivatives has been achieved in good yields.
Heesun Ryu, J. Seo, H. Ko
semanticscholar   +1 more source

Photochemical In-Flow Synthesis of 2,4-Methanopyrrolidines: Pyrrolidine Analogues with Improved Water Solubility and Reduced Lipophilicity.

Journal of Organic Chemistry, 2018
A practical synthesis of 2,4-methanopyrrolidines was elaborated. The key synthetic step was an intramolecular photochemical [2 + 2]-cycloaddition of an acrylic acid derivative in flow.
Vadym V. Levterov, Oleg M. Michurin, Petro O. Borysko, S. Zozulya, I. Sadkova, A. Tolmachev, Pavel K. Mykhailiuk   +6 more
semanticscholar   +1 more source

One-Pot Double [3 + 2] Cycloadditions for Diastereoselective Synthesis of Pyrrolidine-Based Polycyclic Systems.

Journal of Organic Chemistry, 2018
Sequential inter- and intramolecular [3 + 2] cycloadditions of azomethine ylides are developed for the one-pot and diastereoselective synthesis of highly condensed heterocyclic systems containing pyrrolidine and up to seven stereocenters.
Xiaofeng Zhang, W. Qiu, Xiaoming Ma, Jason J Evans, M. Kaur, J. Jasinski, Wei Zhang   +6 more
semanticscholar   +1 more source

New functionalized pyrrolidines

Russian Journal of Organic Chemistry, 2017
New functionalized pyrrolidines have been synthesized from accessible amino acids by the [C+NC+CC]-coupling reaction.
V. A. Egorov, L. S. Khasanova, A. M. Galeeva, F. A. Gimalova, M. F. Abdullin, M. S. Miftakhov   +5 more
openaire   +1 more source

Synthesis of 3-substituted pyrrolidines

Chemistry of Heterocyclic Compounds, 2007
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
A. V. Kurkin, E. A. Sumtsova, M. A. Yurovskaya   +2 more
openaire   +1 more source