Iron catalysis in organic synthesis

I Bauer, HJ Knölker - Chemical reviews, 2015 - ACS Publications
The present review “Iron Catalysis in Organic Synthesis” covers the literature until the end of
June 2014 and represents a comprehensive update of a previous article published by Bolm …

Additive effects on asymmetric catalysis

L Hong, W Sun, D Yang, G Li, R Wang - Chemical Reviews, 2016 - ACS Publications
This review highlights a number of additives that can be used to make asymmetric reactions
perfect. Without changing other reaction conditions, simply adding additives can lead to …

Fluorine-18 labelled building blocks for PET tracer synthesis

D Van Der Born, A Pees, AJ Poot, RVA Orru… - Chemical Society …, 2017 - pubs.rsc.org
Positron emission tomography (PET) is an important driver for present day healthcare.
Fluorine-18 is the most widely used radioisotope for PET imaging and a thorough overview …

Synthesis of tetrahydropyrans and related heterocycles via prins cyclization; extension to aza-prins cyclization

C Olier, M Kaafarani, S Gastaldi, MP Bertrand - Tetrahedron, 2010 - Elsevier
The Prins reaction 1 is often related to the Kriewitz reaction. 2 The latter leads to unsaturated
alcohol 1 from a-pinene and formaldehyde through a thermal 'ene-rearrangement'(Eq. 1) …

Synthesis of Spiro [furan-2, 1′-isoindolin]-3′-ones from 2-(4-Hydroxybut-1-yn-1-yl) benzonitriles and Aryl Aldehydes under the Action of Triflic Acid

S Shit, SK Bora, AK Sahu, AK Saikia - The Journal of Organic …, 2022 - ACS Publications
The synthesis of spiro [furan-2, 1′-isoindolin]-3′-ones from 2-(4-hydroxybut-1-yn-1-yl)
benzonitriles and aryl aldehydes is demonstrated. It involves the initial formation of …

Regio- and Chemoselective Synthesis of 3-(Dihydrofuran-3(2H)-ylidene)isobenzofuran-1(3H)-imines via Tandem Alkynyl Prins- and Intramolecular Oxycyclization …

S Shit, BK Behera, S Biswas… - The Journal of Organic …, 2023 - ACS Publications
A metal-free Lewis acid-initiated protocol for the synthesis of highly substituted 3-
(dihydrofuran-3 (2 H)-ylidene) isobenzofuran-1 (3 H)-imines from 2-(4-hydroxybut-1-yn-1-yl) …

Catalytic asymmetric [3+ 2] annulation of allylsilanes with isatins: synthesis of spirooxindoles

NV Hanhan, NR Ball‐Jones, NT Tran… - Angewandte Chemie …, 2012 - Wiley Online Library
Allylsilanes are readily available, nontoxic, and versatile reagents for organic synthesis.
Although fairly weak nucleophiles, allylsilanes exhibit a dynamic reactivity pattern that is …

Total syntheses of aflavazole and 14-hydroxyaflavinine

H Li, Q Chen, Z Lu, A Li - Journal of the American Chemical …, 2016 - ACS Publications
The first total syntheses of aflavazole (6) and 14-hydroxyaflavinine (8), two sterically
congested indole diterpenoids, were accomplished. AlI3-promoted alkyne Prins cyclization …

Iron-promoted C–C bond formation in the total synthesis of natural products and drugs

J Legros, B Figadere - Natural Product Reports, 2015 - pubs.rsc.org
Covering: up to 2015 Iron salts are inexpensive and almost innocuous; they are thus the
promoters of choice, even in stoichiometric amounts, for the formation of carbon–carbon …

Alkynyl Prins carbocyclization cascades for the synthesis of linear-fused heterocyclic ring systems

JJ Hernandez, AJ Frontier - Chemical Science, 2022 - pubs.rsc.org
We report a Brønsted acid-catalyzed carbocyclization cascade, featuring condensation of an
alcohol/sulfonamide with an aldehyde followed by an intramolecular three-component …