New developments of the principle of vinylogy as applied to π-extended enolate-type donor systems
The principle of vinylogy states that the electronic effects of a functional group in a molecule
are possibly transmitted to a distal position through interposed conjugated multiple bonds …
are possibly transmitted to a distal position through interposed conjugated multiple bonds …
Advances in Organocatalytic 1, 6‐Addition Reactions: Enantioselective Construction of Remote Stereogenic Centers
P Chauhan, U Kaya, D Enders - Advanced Synthesis & …, 2017 - Wiley Online Library
Abstract Due to the competing 1, 4‐addition reactions and the distance from the chirality
information, the construction of a remote stereogenic center via 1, 6‐addition reactions is …
information, the construction of a remote stereogenic center via 1, 6‐addition reactions is …
Old tricks, new dogs: organocatalytic dienamine activation of α, β-unsaturated aldehydes
Chiral secondary amines are some of the most commonly used kinds of catalysts. They have
become a reliable tool for the α-and β-activation of carbonyl compounds, via HOMO, SOMO …
become a reliable tool for the α-and β-activation of carbonyl compounds, via HOMO, SOMO …
Recent progress in organocatalytic asymmetric domino transformations
Sustainability in chemical synthesis is a major aspect of the current synthetic endeavors and,
therefore, mimicking the biological process in the laboratory nowadays has the highest …
therefore, mimicking the biological process in the laboratory nowadays has the highest …
Sterically Hindered and Deconjugative α‐Regioselective Asymmetric Mannich Reaction of Meinwald Rearrangement‐Intermediate
J Xu, Y Song, J Yang, B Yang, Z Su… - Angewandte Chemie …, 2023 - Wiley Online Library
Compared to γ‐addition, the α‐addition of α‐branched β, γ‐unsaturated aldehydes faces
larger steric hindrance and disrupts the π–π conjugation, which might be why very few …
larger steric hindrance and disrupts the π–π conjugation, which might be why very few …
Enantioselective photochemical organocascade catalysis
Reported herein is a photochemical cascade process that combines the excited‐state and
ground‐state reactivity of chiral organocatalytic intermediates. This strategy directly converts …
ground‐state reactivity of chiral organocatalytic intermediates. This strategy directly converts …
Novel methodologies for chemical activation in organic synthesis under solvent-free reaction conditions
CG Avila-Ortiz, E Juaristi - Molecules, 2020 - mdpi.com
One central challenge for XXI century chemists is the development of sustainable processes
that do not represent a risk either to humanity or to the environment. In this regard, the …
that do not represent a risk either to humanity or to the environment. In this regard, the …
Recent development in asymmetric organocatalytic domino reactions involving 1, 6-addition as a key step
Due to their unique activation modes, small organic molecule catalysts (organocatalysts)
have proved their potential in facilitating the remote functionalizations of unsaturated …
have proved their potential in facilitating the remote functionalizations of unsaturated …
Profiling the privileges of pyrrolidine-based catalysts in asymmetric synthesis: From polar to light-driven radical chemistry
A Vega-Penaloza, S Paria, M Bonchio… - ACS …, 2019 - ACS Publications
Asymmetric catalysis is a rapidly evolving field in synthetic chemistry. This is due to the
growing needs of stereoselective synthetic routes to access enantiopure natural products …
growing needs of stereoselective synthetic routes to access enantiopure natural products …
Breaking aromaticity with aminocatalysis: a convenient strategy for asymmetric synthesis
A Przydacz, A Skrzyńska… - Angewandte Chemie …, 2019 - Wiley Online Library
Since the turn of the millennium, catalytic reactions promoted by primary or secondary
amines have emerged as a highly useful method for organic chemistry. Very recently, the …
amines have emerged as a highly useful method for organic chemistry. Very recently, the …