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 …

Cyclizations of alkynes: revisiting Baldwin's rules for ring closure

K Gilmore, IV Alabugin - Chemical Reviews, 2011 - ACS Publications
According to the CRC dictionary of natural products, 1 90% of chemically individual
molecules discovered in nature contain either a carbocyclic or a heterocyclic subunit. 2 Not …

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) …

Bismuth nitrate-catalyzed multicomponent reaction for efficient and one-pot synthesis of densely functionalized piperidine scaffolds at room temperature

G Brahmachari, S Das - Tetrahedron Letters, 2012 - Elsevier
A simple, straightforward, and highly efficient diastereoselective multicomponent one-pot
synthesis of a series of pharmaceutically interesting functionalized piperidine derivatives …

Synthesis of highly functionalized piperidines by one-pot multicomponent reaction using tetrabutylammonium tribromide (TBATB)

AT Khan, M Lal, MM Khan - Tetrahedron Letters, 2010 - Elsevier
Tetrabutylammonium tribromide (TBATB) has been found to be an efficient catalyst for the
one-pot synthesis of highly substituted piperidines through a combination of 1, 3-dicarbonyl …

Iodine catalyzed one-pot five-component reactions for direct synthesis of densely functionalized piperidines

AT Khan, MM Khan, KKR Bannuru - Tetrahedron, 2010 - Elsevier
A simple and convenient one-pot multicomponent reaction (MCR) has been developed for
the synthesis of highly functionalized piperidines catalyzed by molecular iodine. This …

A new catalytic Prins cyclization leading to Oxa-and Azacycles

PO Miranda, RM Carballo, VS Martin, JI Padron - Organic Letters, 2009 - ACS Publications
A new Prins cyclization process that builds up one carbon− carbon bond, one heteroatom-
carbon bond, and one halogen-carbon bond,(in an oxa-and azacycle) relies on an iron …

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 …

Leveraging the Halo-Nazarov Cyclization for the Chemodivergent Assembly of Functionalized Haloindenes and Indanones

C Holt, G Alachouzos, AJ Frontier - Journal of the American …, 2019 - ACS Publications
In this report, we describe a halo-Prins/aryl halo-Nazarov cyclization strategy that employs
readily available starting materials, inexpensive reagents, and convenient reaction …

Iron-catalyzed redox radical cyclizations of 1, 6-dienes and enynes

T Taniguchi, N Goto, A Nishibata, H Ishibashi - Organic Letters, 2010 - ACS Publications
Iron-Catalyzed Redox Radical Cyclizations of 1,6-Dienes and Enynes | Organic Letters ACS
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