Interrupted Morita–Baylis–Hillman-type reaction of α-substituted activated olefins

J Gu, BX Xiao, YR Chen, QZ Li, Q Ouyang, W Du… - Organic …, 2018 - ACS Publications
It was demonstrated that 3-olefinic oxindoles could generate zwitterionic enolate species
with tertiary phosphines and undergo C–C bond formation with various electrophiles in an …

Metal-free synthesis of γ-ketosulfones through Brønsted acid-promoted conjugate addition of sulfinamides

N Gigant, S Kayal, E Drège, D Joseph - RSC advances, 2024 - pubs.rsc.org
A straightforward and general metal-free method has been developed to add sufinamide-
derived sulfone units on Michael acceptors under mild conditions. This reaction enables the …

Acryl activation by intramolecular hydrogen bond: Morita Baylis Hillman reaction of acrylamide with broad substrate scope

KC Bharadwaj - ChemistrySelect, 2017 - Wiley Online Library
Use of acrylamide as an activated alkene in largely recognized Morita Baylis Hillman (MBH)
reaction has been least explored owing to less reactivity of acrylamide as Michael acceptor …

Asymmetric synthesis of Rauhut–Currier-type esters via Mukaiyama–Michael reaction to acylphosphonates under bifunctional catalysis

V Laina-Martín, R del Rio-Rodriguez… - Chemical …, 2018 - pubs.rsc.org
A highly enantioselective organocatalytic Mukaiyama–Michael reaction of silyloxy dienes
and α, β-unsaturated acyl phosphonates under bifunctional organocatalysis is presented …

Proline-Mediated Baylis–Hillman reaction of methyl vinyl ketone without a co-catalyst under solvent-free conditions

H Inani, AK Jha, S Easwar - Synlett, 2017 - thieme-connect.com
A proline-mediated Baylis–Hillman reaction of methyl vinyl ketone with aromatic aldehydes
has been carried out without using any co-catalyst, under solvent-free conditions. The …

An expedient E-stereoselective synthesis of multi-substituted functionalized allylic boronates from Morita–Baylis–Hillman alcohols

Q Xuan, Y Wei, J Chen, Q Song - Organic Chemistry Frontiers, 2017 - pubs.rsc.org
An expedient and stereoselective synthesis of functionalized trisubstituted allylic boronates
via direct borylation of Morita–Baylis–Hillman alcohols is disclosed. The reaction proceeds …

Cascade SN2′–SNAr, Elimination, and 1,5‐Hydride Shift Reactions by Acetylacetone/Acetoacetic Esters: Synthesis of 9,10‐Dihydroacridines

T Gupta, KC Bharadwaj… - European Journal of …, 2016 - Wiley Online Library
A reaction involving the use of acetylacetone/methyl acetoacetate and Morita–Baylis–
Hillman acetates for the efficient, one‐pot, metal‐free synthesis of 9, 10‐dihydroacridines at …

Phosphine-catalysed α-umpolung addition of nucleophiles to δ-acetoxy allenoates: stereoselective synthesis of 2, 4-dienoates

Y Hou, Y Zhang, X Tong - Organic & Biomolecular Chemistry, 2018 - pubs.rsc.org
The first example of phosphine-catalyzed α-umpolung addition of nucleophiles to allenoates
is described, which features the use of δ-acetoxy allenoate to generate a 3-phosphonium-2 …

Elucidating Latent Mechanistic Complexity in Competing Acid-Catalyzed Reactions of Salicylaldehyde-Derived Baylis–Hillman Adducts

TO Olomola, R Klein, MR Caira… - The Journal of Organic …, 2016 - ACS Publications
1H NMR-based kinetic studies have revealed the latent mechanistic complexity of
deceptively simple hydrochloric acid-catalyzed reactions of salicylaldehyde-derived Baylis …

[引用][C] Novel asymmetric transformations under covalent organocatalysis

E Díaz Soto - 2018