Turnitin
降AI改写
早检测系统
早降重系统
Turnitin-UK版
万方检测-期刊版
维普编辑部版
Grammarly检测
Paperpass检测
checkpass检测
PaperYY检测
Stereoselective synthesis and applications of spirocyclic oxindoles
AJ Boddy, JA Bull - Organic Chemistry Frontiers, 2021 - pubs.rsc.org
The development of novel synthetic strategies to form new chemical entities in a
stereoselective manner is an ongoing significant objective in organic and medicinal …
stereoselective manner is an ongoing significant objective in organic and medicinal …
Recent Advances in Squaramide‐Catalyzed Asymmetric Mannich Reactions
XQ Hou, DM Du - Advanced Synthesis & Catalysis, 2020 - Wiley Online Library
Bifunctional squaramides as a branch of organo‐catalysts showed powerful strategies in the
art of asymmetric synthesis, and they have been proved to be highly efficient and versatile …
art of asymmetric synthesis, and they have been proved to be highly efficient and versatile …
Organocatalytic Asymmetric [3 + 2] Cycloaddition of N-2,2,2-Trifluoroethylisatin Ketimines with β-Trifluoromethyl Electron-Deficient Alkenes: Access to Vicinally Bis …
Y You, WY Lu, ZH Wang, YZ Chen, XY Xu… - Organic …, 2018 - ACS Publications
N-2, 2, 2-Trifluoroethylisatin ketimines with β-trifluoromethyl enones, 3-trifluoroethylidene
oxindole, and 3-trifluoroethylidene benzofuranone can undergo asymmetric [3+ 2] …
oxindole, and 3-trifluoroethylidene benzofuranone can undergo asymmetric [3+ 2] …
Chiral thioureas—preparation and significance in asymmetric synthesis and medicinal chemistry
F Steppeler, D Iwan, E Wojaczyńska, J Wojaczyński - Molecules, 2020 - mdpi.com
For almost 20 years, thioureas have been experiencing a renaissance of interest with the
emerged development of asymmetric organocatalysts. Due to their relatively high acidity and …
emerged development of asymmetric organocatalysts. Due to their relatively high acidity and …
Strategies for the catalytic enantioselective synthesis of α-trifluoromethyl amines
The exploitation of the α-trifluoromethylamino group as an amide surrogate in
peptidomimetics and drug candidates has been on the rise. In a large number of these …
peptidomimetics and drug candidates has been on the rise. In a large number of these …
Organocatalytic asymmetric synthesis of cyclic compounds bearing a trifluoromethylated stereogenic center: recent developments
XH He, YL Ji, C Peng, B Han - Advanced Synthesis & Catalysis, 2019 - Wiley Online Library
The broad prospects of trifluoromethylated compounds in materials science, agricultural
chemistry, and pharmaceutical chemistry have stimulated the rapid development of …
chemistry, and pharmaceutical chemistry have stimulated the rapid development of …
Stereoselective domino reactions in the synthesis of spiro compounds
This review summarizes the latest developments in asymmetric domino reactions, with the
emphasis on the preparation of spiro compounds. Discussions on the stereoselectivity of the …
emphasis on the preparation of spiro compounds. Discussions on the stereoselectivity of the …
Stereoselective Synthesis of CF3‐Containing Spirooxindoles via 1,3‐Dipolar Cycloaddition by Dipeptide‐Based Phosphonium Salt Catalysis
X Liu, D Lu, JH Wu, JP Tan, C Jiang… - … Synthesis & Catalysis, 2020 - Wiley Online Library
Reported here is an alternative method for asymmetric synthesis of the CF3‐substituted 3,
2′‐pyrrolidinyl spirooxindoles via 1, 3‐dipolar cycloaddition by employing dipeptide‐based …
2′‐pyrrolidinyl spirooxindoles via 1, 3‐dipolar cycloaddition by employing dipeptide‐based …
Asymmetric construction of bispiro [oxindole-pyrrolidine-rhodanine] s via squaramide-catalyzed domino Michael/Mannich [3+ 2] cycloaddition of rhodanine derivatives …
YX Song, DM Du - The Journal of Organic Chemistry, 2018 - ACS Publications
Squaramide-catalyzed asymmetric domino Michael/Mannich [3+ 2] cycloaddition reaction
between rhodanine derivatives and N-(2, 2, 2-trifluoroethyl) isatin ketimines has been …
between rhodanine derivatives and N-(2, 2, 2-trifluoroethyl) isatin ketimines has been …
Organocatalytic Asymmetric Synthesis of 2,3-Dihydro-4H-imidazol-4-ones via Cyclocondensation of N-Silyl Iminoesters
K Ogura, S Ando, T Takehara, T Suzuki… - ACS …, 2024 - ACS Publications
Chiral 2, 3-dihydro-4 H-imidazol-4-ones are key motifs in both synthetic and biological
chemistry. However, their accessibility is classically limited to optical resolution of …
chemistry. However, their accessibility is classically limited to optical resolution of …