Organic Chemistry

Total Synthesis of Complex Natural Products featured image

Total Synthesis of Complex Natural Products

Total synthesis stands as one of the most intellectually demanding and logistically challenging disciplines within organic chemistry. Unlike highly applied branches such as process …

Molecular editing of bilobalide: Regioselective C-ring lactam formation featured image

Molecular editing of bilobalide: Regioselective C-ring lactam formation

Late-stage diversification of complex natural products enables rapid access to analogues for structure-activity relationship studies. Herein, we report a regioselective …

wenjing-wang
Antiviral profiling and cellular activation of carbobicyclic nucleoside analogues featured image

Antiviral profiling and cellular activation of carbobicyclic nucleoside analogues

Nucleoside analogues are important antiviral and anticancer agents. In this study, we investigated a new class of nucleoside analogues built on a synthetically accessible …

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Stephan Scheeff
Deracemisation lead to enriched alpha Amino Aldehydes featured image

Deracemisation lead to enriched alpha Amino Aldehydes

Luo and coworkes from Tsinghua University report a novel method for deracemisation in JACS

Practical access to trisubstituted Morita‐Baylis‐Hillman‐type products through copper‐catalyzed reductive aldol reactions of alkynones

AbstractWe report a convenient and diastereoselective copper‐catalyzed reductive alkynone aldol addition to aldehydes, with pinacolborane as stoichiometric reductant, that results …

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Stephan Scheeff

Lactone-to-lactam editing alters the pharmacology of bilobalide

Precise transformations of natural products (NPs) can fine-tune their physicochemical properties while preserving inherently complex and evolutionarily optimized parent scaffolds. …

xiaoding-jiang
Diastereo- and enantioselective construction of stereochemical arrays exploiting non-classical hydrogen bonding in enolborates featured image

Diastereo- and enantioselective construction of stereochemical arrays exploiting non-classical hydrogen bonding in enolborates

We report a copper-catalyzed reductive aldol addition to aldehydes and ketones, with pinacolborane as stoichiometric reductant, that results in the generation of stereodefined …

matthew-li
Breaking the aromaticity of thiophene using a [4+3] cycloaddition featured image

Breaking the aromaticity of thiophene using a [4+3] cycloaddition

A novel dearomative, intramolecular [4+3]-cycloaddition of thiophenes at low temperatures yielding complex tricyclic ring systems.

Design and synthesis of bicyclo[4.3.0]nonene nucleoside analogues featured image

Design and synthesis of bicyclo[4.3.0]nonene nucleoside analogues

Nucleoside analogues are effective antiviral agents, and the continuous emergence of pathogenic viruses demands the development of novel and structurally diverse analogues. Here, …

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Stephan Scheeff

Copper-catalyzed reductive Ireland-Claisen rearrangements of propargylic acrylates and allylic allenoates

The copper-catalyzed reductive Ireland-Claisen rearrangement of propargylic acrylates led to 3,4-allenoic acids. The use of silanes or pinacolborane as stoichiometric reducing …

siyuan-guo