Amide activation: an emerging tool for chemoselective synthesis

D Kaiser, A Bauer, M Lemmerer… - Chemical Society Reviews, 2018 - pubs.rsc.org
It is textbook knowledge that carboxamides benefit from increased stabilisation of the
electrophilic carbonyl carbon when compared to other carbonyl and carboxyl derivatives …

Increasing the reactivity of amides towards organometallic reagents: an overview

V Pace, W Holzer, B Olofsson - Advanced Synthesis & Catalysis, 2014 - Wiley Online Library
The nucleophilic addition of carbon nucleophiles to amides has traditionally been a difficult
task, both due to reactivity and selectivity problems. When successful, these processes …

Pyrrolizidine alkaloids

J Robertson, K Stevens - Natural product reports, 2014 - pubs.rsc.org
Covering: July 2001 to December 2012 This review covers pyrrolizidine alkaloids isolated
from natural sources. Topics include: aspects of structure, isolation, and biological …

A direct and general method for the reductive alkylation of tertiary lactams/amides: application to the step economical synthesis of alkaloid (−)-morusimic acid D

KJ Xiao, Y Wang, YH Huang, XG Wang… - The Journal of Organic …, 2013 - ACS Publications
Full details of the direct and general method for the reductive alkylation of tertiary lactams
and amides to give tertiary sec-alkylamines are presented. This one-pot method consists of …

Wacker Oxidation, The

BW Michel, LD Steffens, MS Sigman - Organic Reactions, 2004 - Wiley Online Library
Terminal alkene substrates can be converted to methyl ketone products via a palladium‐
catalyzed process known as the Wacker oxidation. This process has found widespread …

A formal enantioselective total synthesis of FR901483

HH Huo, HK Zhang, XE Xia, PQ Huang - Organic letters, 2012 - ACS Publications
A formal enantioselective total synthesis of the potent immunosuppressant FR901483 (1)
has been accomplished. Our approach features the use of chiron 6 as the starting material …

Synthetic Strategies towards the Azabicyclo [3.3. 0]-Octane Core of Natural Pyrrolizidine Alkaloids. An Overview

ST Martinez, C Belouezzane, AC Pinto… - Organic Preparations …, 2016 - Taylor & Francis
Pyrrolizidine or azabicyclo [3.3. 0]-octane (Figure 1) and its derivatives are a very common
azabicycle motif within natural products (pyrrolizidine alkaloids, PAs) possessing a bridge …

DDQ-Promoted Benzylic/Allylic sp3 C–H Activation for the Stereoselective Intramolecular C–N Bond Formation: Applications to the Total Synthesis of (−) …

M Lingamurthy, Y Jagadeesh… - The Journal of …, 2016 - ACS Publications
This is the first report on an intramolecular C–N bond formation of an amide-tethered
benzylic/allylic system using DDQ under neutral conditions which has been successfully …

General direct transformation of secondary amides to ketones via amide activation

K Xiao, Y Huang, P Huang - Acta Chimica Sinica, 2012 - sioc-journal.cn
Carbon-carbon bond formation and functional group transformation are two cornerstones of
organic synthesis. Generally, most of the established methods involve the transformation of …

Recent advances in the total synthesis of polyhydroxylated alkaloids via chiral oxazines

S Park, IS Myeong, WH Ham - Organic & Biomolecular Chemistry, 2024 - pubs.rsc.org
This review summarizes recently established methodologies developed for the
enantioselective and diastereoselective synthesis of chiral 1, 3-oxazines. These compounds …