Recent advances in the synthesis of spiro‐β‐lactams and spiro‐δ‐lactams

NG Alves, AJS Alves, MIL Soares… - Advanced Synthesis …, 2021 - Wiley Online Library
Spirocyclic molecules are widely recognized for their complex three‐dimensional features
and structural rigidity. Among this class of molecules, the spiro‐lactams subclass stands out …

The emergence of Pd-mediated reversible oxidative addition in cross coupling, carbohalogenation and carbonylation reactions

DJ Jones, M Lautens, GP McGlacken - Nature Catalysis, 2019 - nature.com
Exploiting the reversibility of chemical processes is a long-standing tactic of organic
chemists, and permeates most areas of the discipline. The notion that oxidative addition of …

Strategies and methodologies for the construction of spiro-γ-lactams: an update

AJS Alves, NG Alves, MIL Soares… - Organic Chemistry …, 2021 - pubs.rsc.org
Spiro-γ-lactams (spiropyrrolidin-2-ones) are a class of spirocyclic compounds that are
present in a wide range of synthetic bioactive and naturally occurring molecules. The …

Multicomponent reactions (MCRs): a useful access to the synthesis of benzo-fused γ-lactams

EM de Marigorta, JM de Los Santos… - Beilstein journal of …, 2019 - beilstein-journals.org
Benzo-fused γ-lactam rings such as isoindolin-2-ones and 2-oxindoles are part of the
structure of many pharmaceutically active molecules. They can be often synthesized by …

Catalytic generation of C1 ammonium enolates from halides and CO for asymmetric cascade reactions

LL Li, D Ding, J Song, ZY Han, LZ Gong - Angewandte Chemie, 2019 - Wiley Online Library
A general strategy for the design of asymmetric cascade reactions using readily available
halides and carbon monoxide (CO) as substrates is developed. The key is the catalytic …

A general strategy for the synthesis of α-trifluoromethyl-and α-perfluoroalkyl-β-lactams via palladium-catalyzed carbonylation

Y Li, CL Zhang, WH Huang, N Sun, M Hao… - Chemical …, 2021 - pubs.rsc.org
β-Lactam compounds play a key role in medicinal chemistry, specifically as the most
important class of antibiotics. Here, we report a novel one-step approach for the synthesis of …

Pd(II)-Catalyzed Cascade Annulation of o-Aminobenzoic Acids with CO, Amines, and Aldehydes to N3-/N1,N3-Substituted 2,3-Dihydroquinazolin-4(1H)-ones

X Zhang, J Wang, J Xu, Q Pang, D Liu… - The Journal of Organic …, 2023 - ACS Publications
The unprecedented Pd (II)-catalyzed cascade annulation of o-aminobenzoic acids with CO,
amines, and aldehydes has been developed. This protocol provides an efficient and concise …

A general synthesis of aromatic amides via palladium-catalyzed direct aminocarbonylation of aryl chlorides

P Wang, J Yang, K Sun, H Neumann… - Organic Chemistry …, 2022 - pubs.rsc.org
The direct palladium-catalyzed selective carbonylative coupling of less reactive aryl
chlorides (including electron-rich,-neutral and-deficient ones) with primary and secondary …

Synthetic Approaches toward Monocyclic 3‐Amino‐β‐lactams

S Deketelaere, T Van Nguyen, CV Stevens… - …, 2017 - Wiley Online Library
Due to the emerging resistance against classical β‐lactam‐based antibiotics, a growing
number of bacterial infections has become harder to treat. This alarming tendency …

Palladium-Catalyzed Chemodivergent Carbonylation of ortho-Bromoarylimine to Biisoindolinones and Spiroisoindolinones

J Yan, Y Ding, H Huang - The Journal of Organic Chemistry, 2022 - ACS Publications
We herein report a palladium-catalyzed carbonylative cyclization reaction of ortho-
bromoarylimines that allows for the chemodivergent synthesis of functionalized …