Nicholas Reactions in the Construction of Cyclohepta[de]naphthalenes and Cyclohepta[de]naphthalenones. The Total Synthesis of Microstegiol

RA Taj, JR Green - The Journal of Organic Chemistry, 2010 - ACS Publications
The application of the Nicholas reaction chemistry of 2, 7-dioxygenated naphthalenes in the
synthesis of cyclohepta [de] napthalenes and in the synthesis of (±)-microstegiol (1) is …

Investigations into the Regioselective C‐Deuteration of Acyclic and Exocyclic Enolates

J Eames, GS Coumbarides, MJ Suggate… - European Journal of …, 2003 - Wiley Online Library
Results are reported on the regioselective C‐deuteration of a series of related acyclic and
exocyclic enolates derived from substituted aryl ketones. We comment on factors, such as …

The Synthesis of Velloziolide via Nicholas Reaction Based γ-Carbonyl Cations

JR Green, AA Tjeng - The Journal of Organic Chemistry, 2009 - ACS Publications
The total synthesis of the 9, 11-seco-rosane diterpene velloziolide (1) has been
accomplished by employing the Nicholas reaction chemistry of 2a as a γ-carbonyl cation …

Iron-mediated allylic substitution reactions with chirality transfer. Stereochemistry of the formation of diastereo-and enantiomerically enriched olefinic and allylic …

D Enders, B Jandeleit, S von Berg, G Raabe… - …, 2001 - ACS Publications
(E)-Configurated allylic ligands (S)-6a− f and (S)-8, bearing a leaving group at C (3)(allylic
position) and an electron acceptor substituent at C (1), were synthesized from enantiopure …

Alkynedicobalt Complexes in γ-Carbonyl Cations and Cycloheptynedicobalt Complexes

JR Green - Synlett, 2012 - thieme-connect.com
This Account describes our work on highly electrophilic γ-carbonyl cations featuring
propargyldicobalt cations, cycloheptynedicobalt complexes, and the interconnection …

[HTML][HTML] Asymmetric, Organocatalytic, 3-Step Synthesis of γ-Hydroxy-(E)-α-β-Unsaturated Sulfones and Esters

KS Petersen, GH Posner - Organic letters, 2008 - ncbi.nlm.nih.gov
Efficient and enantiocontrolled synthesis of γ-hydroxy-α, β-unsaturated sulfones and esters
are reported through the reaction of enantioenriched α-selenyl aldehydes with EWG …

Modified Mukaiyama reaction for the synthesis of quinoline alkaloid analogues: total synthesis of 3, 3-diisopentenyl-N-methylquinoline-2, 4-dione

LC Zikou, O Igglessi-Markopoulou - Synthesis, 2008 - thieme-connect.com
A general synthetic approach, capable of accessing a diverse range of 3, 3-disubstituted
quinoline-2, 4-diones and 1, 8-naphthyridine-2, 4-diones via titanium tetrachloride catalyzed …

Bicatalytic Allylation–Cross-Metathesis Reactions as γ-Carbonyl Cation Equivalents

JR Henkie, S Dhaliwal, JR Green - Synlett, 2012 - thieme-connect.com
The products corresponding to the reactions of arenes and γ-carbonyl cations may be
obtained by a one-pot, bicatalytic process involving InCl 3-catalyzed arene allylation and …

Generation and Reactions of ε-Carbonyl Cations via Group 13 Catalysis

PM Penner, JR Green - Molecules, 2022 - mdpi.com
The generation of ε-carbonyl cations and their reactions with nucleophiles is accomplished
readily without transition metal cation stabilization, using the ε-bromide dienoate or dienone …

Cyclohepta [de] naphthalenes and the rearranged abietane framework of microstegiol via Nicholas reaction chemistry

RA Taj, A Abhayawardhana, JR Green - Synlett, 2009 - thieme-connect.com
Abstract Nicholas reactions on 2, 7-dioxygenated naphthalenes give C-1 monosubstitution
and C-1/C-8 disubstitution in most cases. From γ-carbonyl cation monocondensation …