Synthesis of β-lactams with π electron-withdrawing substituents
J Xu - Tetrahedron, 2012 - Elsevier
β-Lactams are crucial structural feature of β-lactam antibiotics and important intermediates in
synthetic and pharmaceutical chemistry. Synthetic methods for β-lactams with π electron …
synthetic and pharmaceutical chemistry. Synthetic methods for β-lactams with π electron …
Manganese (III) acetate: A versatile reagent in organic chemistry
AS Demir, M Emrullahoglu - Current Organic Synthesis, 2007 - ingentaconnect.com
Free radical reactions have become increasingly important, as well as a very attractive tool,
in organic synthesis within the last two decades, due to their powerful, selective, specific …
in organic synthesis within the last two decades, due to their powerful, selective, specific …
Formation of five-and six-membered heterocyclic rings under radical cyclisation conditions
KC Majumdar, PK Basu, PP Mukhopadhyay - Tetrahedron, 2004 - Elsevier
The chemistry of radical cyclisation has been at the forefront of research in a significant
number of disciplines. 1 These results underscore the importance of developing new …
number of disciplines. 1 These results underscore the importance of developing new …
Simple Approach to β-Lactam Derivatives from N-Acylimidazoles
M Nahmany, A Melman - The Journal of Organic Chemistry, 2006 - ACS Publications
Simple Approach to β-Lactam Derivatives from N-Acylimidazoles | The Journal of Organic
Chemistry ACS ACS Publications C&EN CAS Find my institution Log In The Journal of Organic …
Chemistry ACS ACS Publications C&EN CAS Find my institution Log In The Journal of Organic …
Preparation of N-heterocycles by radical cyclisation of enamides mediated by manganese (III) or copper (I). A comparison of cyclisation methods
DT Davies, N Kapur, AF Parsons - Tetrahedron, 2000 - Elsevier
Reaction of enamides with manganese (III) acetate or copper (I) chloride/bipyridine has
been investigated. In both cases, an initial 5-endo-trig radical cyclisation reaction took place …
been investigated. In both cases, an initial 5-endo-trig radical cyclisation reaction took place …
A Versatile Method for the Synthesis of 3-Alkoxycarbonyl β-Lactam Derivatives
L Jiao, Q Zhang, Y Liang, S Zhang… - The Journal of Organic …, 2006 - ACS Publications
Ketene-imine cycloaddition reactions (the Staudinger reaction) of ethoxycarbonyl
(phenylthio) ketene with various imines and subsequent desulfurization reactions were …
(phenylthio) ketene with various imines and subsequent desulfurization reactions were …
β-and γ-lactams by nickel powder mediated 4-exo or 5-endo radical cyclisations. A concise construction of the mesembrine skeleton
J Cassayre, B Quiclet-Sire, JB Saunier, SZ Zard - Tetrahedron, 1998 - Elsevier
N-Alkenyl trichloroacetamides, upon treatment with nickel powder and acetic acid in
refluxing 2-propanol undergo reversible 4-exo radical cyclisation. The cyclised radical can …
refluxing 2-propanol undergo reversible 4-exo radical cyclisation. The cyclised radical can …
Manganese (III)-mediated facile synthesis of 3, 4-dihydro-2 (1H)-quinolinones: Selectivity of the 6-endo and 5-exo cyclization
T Tsubusaki, H Nishino - Tetrahedron, 2009 - Elsevier
The 4, 4-bis (ethoxycarbonyl)-3, 4-dihydro-2 (1H)-quinolinones 2 were easily synthesized by
the oxidative 6-endo-trig cyclization of 2-[2-(N-arylamino)-2-oxoethyl] malonates 1 with …
the oxidative 6-endo-trig cyclization of 2-[2-(N-arylamino)-2-oxoethyl] malonates 1 with …
Mn (III)-based reactions of alkenes and alkynes with thiols. An approach toward substituted 2, 3-dihydro-1, 4-oxathiins and simple route to (E)-vinyl sulfides
VH Nguyen, H Nishino, S Kajikawa, K Kurosawa - Tetrahedron, 1998 - Elsevier
The first example using manganese (III) acetate in the reaction of 1, 1-diarylethenes with α-
mercaptoketones was examined. A mixture of the ethenes and α-mercaptoketones was …
mercaptoketones was examined. A mixture of the ethenes and α-mercaptoketones was …
Microwave-accelerated and efficient synthesis of structurally diverse N-(2, 2-diphenylvinyl)-β-oxoamides
X Chen, Y Lei, D Fu, J Xu - Organic & Biomolecular Chemistry, 2021 - pubs.rsc.org
N-(2, 2-Diphenylvinyl)-β-oxoamides are both the structural moiety of biologically active
compounds and important synthetic intermediates. Structurally diverse N-(2, 2-diphenylvinyl) …
compounds and important synthetic intermediates. Structurally diverse N-(2, 2-diphenylvinyl) …