Biosynthesis of polyketides by trans-AT polyketide synthases

EJN Helfrich, J Piel - Natural product reports, 2016 - pubs.rsc.org
Covering 2000 to June 2015 This review discusses the biosynthesis of natural products that
are generated by trans-AT polyketide synthases, a family of catalytically versatile enzymes …

The emergence of quinone methides in asymmetric organocatalysis

L Caruana, M Fochi, L Bernardi - Molecules, 2015 - mdpi.com
Quinone methides (QMs) are highly reactive compounds that have been defined as “elusive”
intermediates, or even as a “synthetic enigma” in organic chemistry. Indeed, there were just …

para‐Quinone Methides as Acceptors in 1,6‐Nucleophilic Conjugate Addition Reactions for the Synthesis of Structurally Diverse Molecules

CGS Lima, FP Pauli, DCS Costa… - European Journal of …, 2020 - Wiley Online Library
para‐Quinone methides (p‐QMs) are naturally occurring molecules that have been finding
increasing synthetic applications in the last few years. The presence of two electronically …

Copper‐Catalyzed Enantioselective 1,6‐Boration of para‐Quinone Methides and Efficient Transformation of gem‐Diarylmethine Boronates to Triarylmethanes

Y Lou, P Cao, T Jia, Y Zhang, M Wang… - Angewandte …, 2015 - Wiley Online Library
Presented is the first enantioselective copper‐catalyzed 1, 6‐conjugate addition of bis
(pinacolato) diboron to para‐quinone methides. The reaction proceeds with excellent yields …

Asymmetric catalytic 1, 6-conjugate addition/aromatization of para-quinone methides: enantioselective introduction of functionalized diarylmethine stereogenic centers …

WD Chu, LF Zhang, X Bao, XH Zhao… - Angewandte …, 2013 - search.ebscohost.com
Wen-Dao Chu, Le-Fen Zhang, Xu Bao, Xian-He Zhao, Chao Zeng, Ji-Yuan Du, Guo-Biao
Zhang, Fang-Xin Wang, Xiao-Yan Ma, and Chun-An Fan* para-Quinone methides [p-QMs; …

Catalytic Asymmetric 1,6‐Conjugate Addition of para‐Quinone Methides: Formation of All‐Carbon Quaternary Stereocenters

Z Wang, YF Wong, J Sun - Angewandte Chemie, 2015 - Wiley Online Library
Described herein is a general and mild catalytic asymmetric 1, 6‐conjugate addition of para‐
quinone methides (p‐QMs), a class of challenging reactions with previous limited success …

Construction of Oxygen‐ and Nitrogen‐based Heterocycles from p‐Quinone Methides

G Singh, R Pandey, YA Pankhade, S Fatma… - The Chemical …, 2021 - Wiley Online Library
In the last few years, there has been an explosive growth in the area of para‐quinone
methide (p‐QM) chemistry. This boom is actually due to the unique reactivity pattern of p …

A new organocatalytic concept for asymmetric α-alkylation of aldehydes

L Caruana, F Kniep, TK Johansen… - Journal of the …, 2014 - ACS Publications
The organocatalytic asymmetric α-alkylation of aldehydes by 1, 6-conjugated addition of
enamines to p-quinone methides is described. Employing a newly developed class of chiral …

para-Quinone Methide: a New Player in Asymmetric Catalysis.

A Parra, M Tortosa - ChemCatChem, 2015 - search.ebscohost.com
A new sheriff in town: para‐Quinone methides (p‐QMs) have been successfully used in
asymmetric organocatalysis. Particularly, the asymmetric 1, 6‐addition of phenyl malonate …

Phosphoric Acid Catalyzed Asymmetric 1,6‐Conjugate Addition of Thioacetic Acid to para‐Quinone Methides

N Dong, ZP Zhang, XS Xue, X Li… - Angewandte Chemie …, 2016 - Wiley Online Library
Abstract An asymmetric 1, 6‐conjugate addition of thioacetic acid with para‐quinone
methides has been developed by using chiral phosphoric acid catalysis in the presence of …