Direct asymmetric alkylation of ketones: still unconquered
R Cano, A Zakarian… - Angewandte Chemie …, 2017 - Wiley Online Library
The alkylation of ketones is taught at basic undergraduate level. In many cases this
transformation leads to the formation of a new stereogenic center. However, the apparent …
transformation leads to the formation of a new stereogenic center. However, the apparent …
Late-Stage Isotopic Exchange of Primary Amines
JR Dorsheimer, T Rovis - Journal of the American Chemical …, 2023 - ACS Publications
Stable isotopes such as 2H, 13C, and 15N have important applications in chemistry and
drug discovery. Late-stage incorporation of uncommon isotopes via isotopic exchange …
drug discovery. Late-stage incorporation of uncommon isotopes via isotopic exchange …
Boron Catalysis in the Transformation of Carboxylic Acids and Carboxylic Acid Derivatives
M Sawamura, Y Shimizu - European Journal of Organic …, 2023 - Wiley Online Library
Carboxylic acids, amides, and esters are ubiquitous motifs in functional organic molecules.
However, the reactivities of these high oxidation state carbonyl compounds are far lower …
However, the reactivities of these high oxidation state carbonyl compounds are far lower …
Copper (I)-catalyzed asymmetric alkylation of α-imino-esters
ZC Liu, ZQ Wang, X Zhang, L Yin - Nature Communications, 2023 - nature.com
Asymmetric alkylation of enolates is one of the most direct and important reactions to
prepare α-chiral carbonyl compounds. Except for the classical methods that rely on the use …
prepare α-chiral carbonyl compounds. Except for the classical methods that rely on the use …
Visible-Light-Driven α-Allylation of Carboxylic Acids
K Sun, M Ueno, K Imaeda, K Ueno, M Sawamura… - ACS …, 2021 - ACS Publications
A boron-catalyzed α-allylation of carboxylic acids with allylsulfones under blue LED
irradiation conditions is developed. We propose that photoexcitation of catalytically …
irradiation conditions is developed. We propose that photoexcitation of catalytically …
Chemoselective boron-catalyzed nucleophilic activation of carboxylic acids for Mannich-type reactions
Y Morita, T Yamamoto, H Nagai… - Journal of the …, 2015 - ACS Publications
The carboxyl group (COOH) is an omnipresent functional group in organic molecules, and
its direct catalytic activation represents an attractive synthetic method. Herein, we describe …
its direct catalytic activation represents an attractive synthetic method. Herein, we describe …
Enantioselective total synthesis of hyperforin and pyrohyperforin
Y Ji, B Hong, I Franzoni, M Wang… - Angewandte Chemie …, 2022 - Wiley Online Library
Capitalizing on the late‐stage diversification of an essential 1, 3‐diene intermediate, we
describe herein a 9‐step enantioselective total synthesis of (+)‐hyperforin and (+) …
describe herein a 9‐step enantioselective total synthesis of (+)‐hyperforin and (+) …
Lithium enolates in the enantioselective construction of tetrasubstituted carbon centers with chiral lithium amides as noncovalent stereodirecting auxiliaries
K Yu, P Lu, JJ Jackson, TAD Nguyen… - Journal of the …, 2017 - ACS Publications
Lithium enolates derived from carboxylic acids are ubiquitous intermediates in organic
synthesis. Asymmetric transformations with these intermediates, a central goal of organic …
synthesis. Asymmetric transformations with these intermediates, a central goal of organic …
Biomimetic Synthesis of Meroterpenoids by Dearomatization‐Driven Polycyclization
Z Powers, A Scharf, A Cheng, F Yang… - Angewandte Chemie …, 2019 - Wiley Online Library
A biomimetic route to farnesyl pyrophosphate and dimethyl orsellinic acid (DMOA)‐derived
meroterpenoid scaffolds has yet to be reported despite great interest from the chemistry and …
meroterpenoid scaffolds has yet to be reported despite great interest from the chemistry and …
Synthetic access to thiolane-based therapeutics and biological activity studies
Secondary metabolites isolated from bioactive extracts of natural sources iteratively pioneer
the research in drug discovery. Modern medicine is often inspired by bioactive natural …
the research in drug discovery. Modern medicine is often inspired by bioactive natural …