[BOOK][B] Heterocyclic chemistry

JA Joule - 2020 - taylorfrancis.com
Covering the fundamentals of heterocyclic reactivity and synthesis, this book teaches the
subject in a way that is understandable to graduate students. Recognizing the level at which …

Inverse‐Electron‐Demand Diels–Alder Reactions of 2‐Pyrones: Bridged Lactones and Beyond

G Huang, C Kouklovsky… - Chemistry–A European …, 2021 - Wiley Online Library
Abstract Inverse‐electron‐demand Diels–Alder (IEDDA) reactions of electron‐poor 2‐
pyrones as electrophilic dienes have been extensively studied in the past fifty years. These …

The [4+ 2] Cycloaddition of 2‐Pyrone in Total Synthesis.

Q Cai - Chinese Journal of Chemistry, 2019 - search.ebscohost.com
Diels‐Alder reaction is one of the most important reactions in organic synthesis and has
witnessed great achievements in total syntheses of complex natural products. In this review …

Diels-Alder cycloadditions of 2-pyrones and 2-pyridones

K Afarinkia, V Vinader, TD Nelson, GH Posner - Tetrahedron, 1992 - Elsevier
Diels-Alder cycloadditions of 2-pyrones and 2-pyridones - ScienceDirect Skip to main
contentSkip to article Elsevier logo Journals & Books Search RegisterSign in View PDF …

Asymmetric pyrone Diels–Alder reactions enabled by dienamine catalysis

CJF Cole, L Fuentes, SA Snyder - Chemical science, 2020 - pubs.rsc.org
Despite the proven value in utilizing pyrone dienes to create molecular complexity via Diels–
Alder reactions with varied dienophiles, few examples of effective catalytic, asymmetric …

The synthesis of cardenolide and bufadienolide aglycones, and related steroids bearing a heterocyclic subunit

M Michalak, K Michalak, J Wicha - Natural product reports, 2017 - pubs.rsc.org
Covering: early studies through to March 2016 Cardenolides and bufadienolides constitute
an attractive class of biologically active steroid derivatives which have been used for the …

Selective synthesis of natural and unnatural 5, 6-disubstituted 2 (2H)-pyranones via iodolactonization of 5-substituted (Z)-2-en-4-ynoic acids

F Bellina, M Biagetti, A Carpita, R Rossi - Tetrahedron, 2001 - Elsevier
Reaction of 5-substituted (Z)-2-en-4-ynoic acids with iodine and NaHCO3 in CH3CN or with
ICl in CH2Cl2 affords mixtures of (E)-5-(1-iodoylidene)-2 (5H)-furanones and 6-substituted 5 …

Mild, asymmetric Diels-Alder cycloadditions of electronically matched 2-pyrones and vinyl ethers

GH Posner, JC Carry, JK Lee, DS Bull, H Dai - Tetrahedron letters, 1994 - Elsevier
004043!)(94=-1 MILD, A SYMMETRIC DIELS-ALDEB CYCLOADDITIONS OF
ELECTRONICALLY MATCHED 24’YRONES AND VINYL ETHERS Gary H. Posne Page 1 …

Exploring the Reactivity of Rigid 1-Azadienes Derived from Methylene γ-Lactams. Applications to the Stereoselective Synthesis of Spiro-γ-Lactams

A López-Francés, Z Serna-Burgos… - The Journal of …, 2024 - ACS Publications
A study on the reactivity of rigid 1-azadienes derived from methylene γ-lactams is reported.
Through the functionalization of 1-amino α, β-unsaturated γ-lactam derivatives, easily …

Base-Catalyzed Diels−Alder Reactions of 2H-Pyran-2,5-diones: A Mild Approach to Basiliolide B

X Zhou, W Wu, X Liu, CS Lee - Organic Letters, 2008 - ACS Publications
A new class of base-catalyzed Diels− Alder reactions of 2 H-pyran-2, 5-diones has been
developed using catalytic amount of dicyclohexylmethylamine in tert-butyl alcohol. This …