Allenes in catalytic asymmetric synthesis and natural product syntheses

S Yu, S Ma - Angewandte Chemie International Edition, 2012 - Wiley Online Library
Allenes are the simplest class of cumulenes, with two contiguous C C bonds, and show
unique physical and chemical properties. These features make allenes particularly attractive …

Diastereoselective allylation of carbonyl compounds and imines: application to the synthesis of natural products

M Yus, JC Gonzalez-Gomez, F Foubelo - Chemical Reviews, 2013 - ACS Publications
The addition of an allylic organometallic compound to a carbonyl compound or an imine is of
great synthetic interest because in this reaction together with a new functionality (hydroxyl or …

Boron science

NS Hosmane - New technologies and applications, 2011 - api.taylorfrancis.com
What is boron? The question itself may not seem very significant to many people. Their
introduction to the word “boron” could come as the butt of a joke. Conan O'Brien made jokes …

Chiral Brønsted acid-catalyzed allylboration of aldehydes

P Jain, JC Antilla - Journal of the American Chemical Society, 2010 - ACS Publications
The catalytic enantioselective allylation of aldehydes is a long-standing problem of
considerable interest to the chemical community. We disclose a new high-yielding and …

Allene in katalytischer asymmetrischer Synthese und Naturstoffsynthese

S Yu, S Ma - Angewandte Chemie, 2012 - Wiley Online Library
Allene–Verbindungen mit zwei benachbarten C C‐Bindungen–bilden die einfachste
Klasse unter den Cumulenen. Sie verfügen über außergewöhnliche physikalische und …

Asymmetric dihydroboration of allenes enabled by ligand relay catalysis

Y Lei, Y Kong, ZQ Rong, W Zhao - Nature Communications, 2024 - nature.com
Catalytic asymmetric hydroboration of unsaturated bonds has been recognized as the most
straightforward method for the construction of chiral organoboron compounds. Although …

Application of the lithiation− borylation reaction to the preparation of enantioenriched allylic boron reagents and subsequent in situ conversion into 1, 2, 4-trisubstituted …

M Althaus, A Mahmood, JR Suárez… - Journal of the …, 2010 - ACS Publications
The reactions of Hoppe's lithiated carbamates with vinylboranes and boronic esters give
allylic boranes/boronic esters, and subsequent addition of aldehydes provides a new route …

Brønsted acid catalyzed asymmetric propargylation of aldehydes

P Jain, H Wang, KN Houk… - … Chemie (International ed …, 2011 - pmc.ncbi.nlm.nih.gov
Enantiomerically pure homopropargylic alcohols are highly useful intermediates, with broad
synthetic utility. The terminal alkyne functionality serves as a synthetic handle for …

Enantioselective Ruthenium-BINAP-Catalyzed Carbonyl Reductive Coupling of Alkoxyallenes: Convergent Construction of syn-sec,tert-Diols via (Z)-σ-Allylmetal …

M Xiang, DE Pfaffinger, E Ortiz, GA Brito… - Journal of the …, 2021 - ACS Publications
The first catalytic enantioselective ruthenium-catalyzed carbonyl reductive couplings of
allene pronucleophiles is described. Using an iodide-modified ruthenium-BINAP-catalyst …

Highly diastereo-and enantioselective allylboration of aldehydes using α-substituted allyl/crotyl pinacol boronic esters via in situ generated borinic esters

JLY Chen, HK Scott, MJ Hesse, CL Willis… - Journal of the …, 2013 - ACS Publications
Readily available, α-substituted allyl/crotyl pinacol boronic esters often give low E/Z
selectivity (with Z favored) in reactions with aldehydes. We found that addition of n BuLi to …