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TfOH-Catalyzed [4 + 1] Annulation of p-Quinone Methides with α-Aryl Diazoacetates: Straightforward Access to Highly Functionalized 2,3-Dihydrobenzofurans.
TLDR
This metal-free protocol furnishes an operationally simple and swift process for the free assembly of diverse highly functionalized 2,3-dihydrobenzofurans and also features broad substrate scope, excellent functional group compatibility, and environmental friendliness.
Collective Total Synthesis of the Prostaglandin Family via Stereocontrolled Organocatalytic Baeyer-Villiger Oxidation.
TLDR
A new protocol for the synthesis of prostaglandins using a stereocontrolled organocatalytic Baeyer-Villiger (B-V) oxidation enabled an early-stage construction of a bicyclic lactone skeleton in high enantiomeric excess and represented one of the most efficient routes to chiral lactones.
Organocatalytic Asymmetric Domino oxa-Michael-Mannich-[1,3]-Amino Rearrangement Reaction of N-Tosylsalicylimines to α,β-Unsaturated Aldehydes by Diarylprolinol Silyl Ethers.
An organocatalytic asymmetric enantioselective domino oxa-Michael-Mannich-[1,3]-amino rearrangement reaction of N-tosylsalicylimines with a wide range of α,β-unsaturated aldehydes utilizing
TfOH-Catalyzed N-H Insertion of α-Substituted-α-Diazoesters with Anilines Provides Access to Unnatural α-Amino Esters.
A time-economical TfOH-catalyzed N-H insertion between anilines and α-alkyl and α-aryl-α-diazoacetates provides a straightforward approach to access unnatural α-amino esters, which readily undergo
TfOH-Catalyzed Cascade C-H Activation/Lactonization of Phenols with alpha-Aryl-alpha-Diazoesters: Rapid Access to alpha-Aryl Benzofuranones.
TLDR
This metal-free protocol provides an operationally simple and rapid method for one-pot the assembly of diverse alpha-aryl benzofuranones in high yields with broad substrate scope, readily starting material, good chemo-regioselectivity, and excellent functional group compatibility.
Time‐Economical Synthesis of Diarylacetates Enabled by TfOH‐Catalyzed Arylation of α‐Aryl‐α‐Diazoesters with Arenes
TLDR
A time‐economical synthesis of diarylacetates by TfOH‐catalyzed arylation of α‐aryl‐α‐diazoesters with arenes with good yields, broad substrate scope, excellent functional group compatibility, and mild reaction conditions is described.
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