Sequential Ring-Opening and Ring-Closing Reactions for Converting para-Substituted Pyridines into meta-Substituted Anilines

T Morofuji, K Inagawa, N Kano - Organic Letters, 2021 - ACS Publications
Herein we report a method for converting para-substituted pyridine rings into meta-
dialkylamino-substituted benzene rings through sequential ring-opening and ring-closing …

Unraveling the mechanism of cascade reactions of zincke aldehydes

RS Paton, SE Steinhardt, CD Vanderwal… - Journal of the …, 2011 - ACS Publications
The thermal pericyclic cascade rearrangement of Zincke aldehydes (5-(dialkylamino)-2, 4-
pentadienals) to afford Z-α, β, γ, δ-unsaturated amides discovered by the Vanderwal group …

How to promote sluggish electrocyclization of 1, 3, 5-hexatrienes by captodative substitution

TQ Yu, Y Fu, L Liu, QX Guo - The Journal of Organic Chemistry, 2006 - ACS Publications
Hexatriene electrocyclization, if not disfavored by its harsh reaction conditions, can be highly
useful for the synthesis of complex organic molecules. Herein we developed a two-layer …

Connecting a carbonyl and a π-conjugated group through ap-phenylene linker by (5+ 1) benzene ring formation

T Morofuji, H Kinoshita, N Kano - Chemical Communications, 2019 - pubs.rsc.org
A benzene ring was formed to connect a carbonyl group of various methyl ketones with a π-
conjugated group through a p-phenylene linker. Methyl ketones and streptocyanines were …

The evolution of drug design at Merck Research Laboratories

FK Brown, EC Sherer, SA Johnson… - Journal of computer …, 2017 - Springer
Abstract On October 5, 1981, Fortune magazine published a cover article entitled the “Next
Industrial Revolution: Designing Drugs by Computer at Merck”. With a 40+ year investment …

Reactions of Aldehydes and Ketones and their Derivatives

BA Murray - Organic Reaction Mechanisms 2011: An annual …, 2014 - Wiley Online Library
Carbohydrate‐based benzylidene acetals undergo reductive ring opening. 1‐β‐O‐Acyl
glucoside conjugates of phenylacetic acids have been synthesized, and their acyl migration …

Computational Studies on the Electrocyclizations of 1-Amino-1, 3, 5-hexatrienes

VA Guner, KN Houk, IW Davies - The Journal of Organic …, 2004 - ACS Publications
Electrocyclizations of 1, 3, 5-hexatrienes containing up to four electron-donating and/or
electron withdrawing substituents have been studied computationally using the hybrid …

Heterocycle-guided synthesis of m-hetarylanilines via three-component benzannulation

AR Galeev, MV Dmitriev, AS Novikov… - Beilstein Journal of …, 2024 - beilstein-journals.org
A one-pot three-component synthesis of substituted meta-hetarylanilines from heterocycle-
substituted 1, 3-diketones has been developed. The electron-withdrawing power of the …

De novo synthesis of multisubstituted aryl amines using alkene cross metathesis

MR Tatton, I Simpson, TJ Donohoe - Organic letters, 2014 - ACS Publications
The olefin cross-metathesis reaction allows rapid access to 1, 5-dicarbonyl intermediates
which, upon treatment with a primary or secondary amine, allow the synthesis of a range of …

Amine‐Triggered 6π‐Electrocyclization–Aromatization Cascade of Ynedienamines

X Li, H Yu, Y Huang - Advanced Synthesis & Catalysis, 2017 - Wiley Online Library
An unprecedented 6π‐electrocyclization–aromatization cascade reaction of ynedienamines
is described. The electron‐rich ynedienamine is converted by γ‐protonation to an …