S Zhong, L Xu, Y Cai - Synthesis, 2021 - thieme-connect.com
The Piancatelli reaction, which is the rearrangement of 2-furylcarbinol to cyclopentenone, involves a key furanoxonium ion intermediate and a furan ring opening-4π electrocyclization …
S Zhang, D Lebœuf, J Moran - Chemistry–A European Journal, 2020 - Wiley Online Library
Boronic acid catalysis has emerged as a mild method for promoting a wide variety of reactions. It has been proposed that the mode of catalysis involves Lewis acid or covalent …
A Yanagimoto, Y Uwabe, Q Wu, K Muto… - ACS …, 2021 - ACS Publications
1-Azaspirocyclic compounds have gained attention in chemistry and drug discovery fields. In this manuscript, the development of a Pd-catalyzed dearomative azaspirocyclization of …
S Gouse, NR Reddy, S Baskaran - Organic letters, 2019 - ACS Publications
For the first time, an efficient one-pot method for the construction of an angularly fused 5–6– 5 aza-tricyclic framework has been developed in a highly stereoselective manner. This …
High-value 1-azaspirocyclic scaffolds have been made from simple and readily accessible furan precursors in a single operation. The protocol is a one-pot sequence using highly …
M Larduinat, E Dokmak, C Verrier… - The Journal of …, 2024 - ACS Publications
With a double objective to upgrade biobased 5-HMF and to access to original spirocycles via an intramolecular aza-Piancatelli reaction, a multistep sequence was designed toward …
L Wang, S Perveen, Y Ouyang, S Zhang… - … A European Journal, 2021 - Wiley Online Library
Catalytic carbene‐transfer reactions constitute a class of highly useful transformations in organic synthesis. Although catalysts based on a range of transition‐metals have been …
X Chen, C Bour, E Kolodziej, R Guillot… - Advanced Synthesis …, 2024 - Wiley Online Library
Abstract A series of 4‐sulfoximinocyclopent‐2‐en‐1‐ones was prepared in 35 to 99% yield through a calcium (II)‐catalyzed aza‐Piancatelli reaction, including in enantioenriched form …