Synthesis of heterocycles via electrophilic cyclization of alkynes containing heteroatom

B Godoi, RF Schumacher, G Zeni - Chemical Reviews, 2011 - ACS Publications
The interest in synthesizing heterocycles has always been enormous. The literature contains
a variety of synthetic approaches to the heterocycle ring structures, much of which has been …

Iodocyclization of propargyl alcohols: Highly facile approach to hetero/carbocyclic iodides

T Khan, S Yaragorla - European Journal of Organic Chemistry, 2019 - Wiley Online Library
Iodocyclization of propargyl alcohols is an active area for the construction of
hetero/carbocyclic iodides. Ambiphilic reactivity of propargyl alcohols made it more attractive …

Iodocyclization of o-Alkynylbenzamides Revisited: Formation of Isobenzofuran-1(3H)-imines and 1H-Isochromen-1-imines Instead of Lactams

C Schlemmer, L Andernach… - The Journal of …, 2012 - ACS Publications
The iodocyclization of o-alkynylbenzamides with various electrophiles has been reported to
yield five-or six-membered lactams by nucleophilic attack of the amide nitrogen onto the …

Dimethyl Sulfoxide and N-Iodosuccinimide Promoted 5-exo-dig Oxidative Cyclization of Yne-Tethered Ynamide: Access to Pyrrolidones and Spiro-pyrrolidones

B Prabagar, S Nayak, R Prasad, AK Sahoo - Organic letters, 2016 - ACS Publications
An unprecedented metal-free dimethyl sulfoxide (DMSO) and N-iodosuccinimide mediated
regioselective 5-exo-dig oxidative cyclization of an in situ generated enol equivalent of …

Electrophilic carbocyclization of hydroxylated enynes

F Yang, KG Ji, HT Zhu, A Shaukat, XY Liu… - Chemistry–A European …, 2011 - infona.pl
Mild, efficient, and clean! Six‐membered cyclic products including diiodocyclohexadiene
and 2, 3‐diiodobenzene have been prepared in a iodonium‐induced internal …

Regioselective Synthesis of Substituted Imidate N-[1-Methyleneisobenzofuran-3 (1H)-ylidene] benzenamines via Palladium-Catalyzed Tandem Heteroannulation of o …

ZY Yan, CM Tan, X Wang, F Li, GL Gao, XM Chen… - Synlett, 2011 - thieme-connect.com
A variety of substituted imidate N-[1-methyleneisobenzofuran-3 (1H)-ylidene] benzenamines
have been prepared in good to excellent yields by the palladium-catalyzed tandem …

Synthesis of 5-azaspiro [2.4] heptan and penta-substituted pyrrole derivatives via Pd-catalyzed intramolecular cyclization reaction of alkynyl carboxamides

JY Hou, DZ Wang, F Li, ZY Yan, YM Liang… - Synthetic …, 2012 - Taylor & Francis
Penta-substituted pyrrole derivatives, including a three-membered ring (5-azaspiro [2.4]
heptan), were readily prepared in moderate to excellent yields by the Pd-catalyzed …