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 …

Copper‐Catalyzed Asymmetric Silylation of Propargyl Dichlorides: Access to Enantioenriched Functionalized Allenylsilanes

ZL Liu, C Yang, QY Xue, M Zhao… - Angewandte Chemie …, 2019 - Wiley Online Library
A copper‐catalyzed silylation of propargyl dichlorides was developed to access chloro‐
substituted allenylsilanes under mild reaction conditions. Moreover, enantioenriched chloro …

Indium-catalyzed intramolecular hydroarylation of aryl propargyl ethers

L Alonso-Marañón, MM Martínez… - Organic & …, 2015 - pubs.rsc.org
Indium (III) halides catalyze efficiently the intramolecular hydroarylation (IMHA) of aryl
propargyl ethers. The reaction proceeds regioselectively with terminal and internal alkynes …

Asymmetric synthesis of seven-membered carbocyclic rings via a sequential oxyanionic 5-exo-dig cyclization/claisen rearrangement process. total synthesis of (−) …

TV Ovaska, JA Sullivan, SI Ovaska, JB Winegrad… - Organic …, 2009 - ACS Publications
Appropriately substituted nonracemic allyl alcohols, readily prepared from the
corresponding enones by application of the CBS methodology, were converted to optically …

An efficient synthesis of (±)-frondosin B using a Stille–Heck reaction sequence

KS Masters, BL Flynn - Organic & Biomolecular Chemistry, 2010 - pubs.rsc.org
A concise, convergent synthesis of (±)-frondosin B has been developed based on the
application of a Stille–Heck reaction sequence of 2-chloro-5-methoxybenzo [b] furan-3-yl …

ortho-Bromo(propa-1,2-dien-1-yl)arenes: Substrates for Domino Reactions

KS Masters, M Wallesch, S Bräse - The Journal of Organic …, 2011 - ACS Publications
o-Bromo (propa-1, 2-dien-1-yl) arenes exhibit novel and orthogonal reactivity under Pd
catalysis in the presence of secondary amines to form enamines (concerted Pd insertion …

Total Synthesis of (+)‐Awajanomycin

M Wohlfahrt, K Harms, U Koert - European Journal of Organic …, 2012 - Wiley Online Library
Abstract The total synthesis of (+)‐awajanomycin has been achieved by asymmetric
allylboration of a vicinal tricarbonyl compound as the key step. A substrate‐controlled …

[PDF][PDF] Alternation of chemoselective control in Stille-Heck and Heck-Stille reaction sequences

K Masters, B Flynn - Advanced Synthesis and Catalysis, 2009 - eprints.qut.edu.au
Sequential and one-pot Stille–Heck and Heck–Stille reaction processes have been invoked
to give divergent access to polycyclic ring systems. Both reaction conditions and substrate …

Synthesis of eunicellane-type bicycles embedding a 1, 3-cyclohexadiene moiety

A Frichert, PG Jones, T Lindel - Beilstein journal of organic …, 2018 - beilstein-journals.org
The first synthesis of diterpenoid eunicellane skeletons incorporating a 1, 3-cyclohexadiene
moiety is presented. Key step is a low-valent titanium-induced pinacol cyclization that …

Palladium-Catalyzed Synthesis of Arylpropargyl Ethers.

S Gowrisankar, H Neumann, M Beller - ChemCatChem, 2011 - search.ebscohost.com
The article discusses a study which investigated the performance of electron-rich and bulky
phosphines in the reaction of o-bromotoluene with pent-2-yn-1-ol. The desired product in …