Boyang Yin

Université de Haute-Alsace

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Guillaume Duret

Rice University

Philippe Bisseret

Université de Haute-Alsace

Rainer E. Martin

Roche (Switzerland)

Markus Neuburger

University of Basel

Nicolas Blanchard

Université de Haute-Alsace

Robert Quinlan

University of Oxford

Vincent Gandon

Université Paris-Saclay

Quinlan Robert

Rui Zhu

Shenyang Aerospace University

Céline Croutxé‐Barghorn

Université de Haute-Alsace

Cooperative Institutions

Université de Strasbourg

Centre National de la Recherche Scientifique

Shenyang Aerospace University

Université de Haute-Alsace

Laboratoire de Chimie Moléculaire

École Nationale Supérieure de Chimie de Montpellier

Northeastern University

Laboratoire de Photochimie et d'Ingénierie Macromoléculaire

Canadian Nautical Research Society

Institute of Macromolecular Chemistry

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Intramolecular Inverse Electron-Demand [4 + 2] Cycloadditions of Ynamides with Pyrimidines: Scope and Density Functional Theory Insights

The Journal of Organic Chemistry (2017)

Guillaume Duret Robert Quinlan Boyang Yin Rainer E. Martin Philippe Bisseret

4-Aminopyridines are valuable scaffolds for the chemical industry in general, from life sciences to catalysis. We report herein a collection of structurally diverse polycyclic fused and spiro-4-aminopyridines that are prepared in only three steps from commercially available pyrimidines. The key step of this short sequence is a [4 + 2]/retro-[4 + 2] cycloaddition between a pyrimidine and an ynamide, which constitutes the first examples of ynamides behaving as electron-rich dienophiles in [4 + 2] cycloaddition reactions. In addition, running the ihDA/rDA reaction in continuous mode in superheated toluene, to overcome the limited scalability of MW reactions, results in a notable production increase compared to batch mode. Finally, density functional theory investigations shed light on the energetic and geometric requirements of the different steps of the ihDA/rDA sequence.

Scope (computer science)

Hydroamination

Sequence (biology)

10.1021/acs.joc.6b02986

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Citations (20)

Intramolecular Inverse Electron-Demand [4+2] Cycloadditions of Ynamides with Pyrimidines: Scope and DFT Insights

Guillaume Duret Robert Quinlan Boyang Yin Rainer E. Martin Philippe Bisseret

Scope (computer science)

Source

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Citations (2)

イナミド類とピリミジン類との逆電子要求性[4+2]分子内環状付加:展望と密度汎関数理論による洞察

The Journal of Organic Chemistry (2017)

Guillaume Duret Quinlan Robert Boyang Yin E Martin Rainer Philippe Bisseret

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CCDC 1509490: Experimental Crystal Structure Determination

The Cambridge Structural Database (2017)

Guillaume Duret Robert Quinlan Boyang Yin Rainer E. Martin Philippe Bisseret

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.

10.5517/ccdc.csd.cc1mnr78

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Personalized Privacy Protection with Spatio-Temporal Features in Social Networks

Xiufeng Xia Boyang Yin Xiangyu Liu Jiajia Li Rui Zhu

After users publish the social data, the privacy information was available to an attacker through node re-identification. In real life, users have different privacy protection requirements. Due to the personalization of users' privacy needs, the protection technology of attacks with the same background knowledge is insufficient to meets users' privacy protection requirements. To solve the problem, this paper proposes spatio-temporal classification levels of social network data background knowledge, and provides corresponding protection methods for different background knowledge intensification of each level. Specifically, three levels of protection requirements are defined on the basis of the gradually increasing background knowledge of the spatio-temporal features of the attacker. The effectiveness of the framework is verified by a large number of experiments.

Privacy Protection

Identification

Privacy software

Publication

Social network (sociolinguistics)

10.1109/iucc/dsci/smartcns.2019.00053

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Citations (1)

A new synthetic pathway based on one-pot sequential aza-Michael addition and photoCuAAC click reactions

RSC Advances (2019)

Boyang Yin Céline Croutxé‐Barghorn Christelle Delaite Xavier Allonas

A solvent-free process is described for the synthesis of tailor-made molecules from a one-pot, two-step approach combining aza-Michael addition and photoinduced copper(i) catalysed azide-alkyne (photo-CuAAC) reactions. After the first reaction between an amine and an acrylate, cycloaddition between an azide and an alkyne is activated by light irradiation in the presence of a copper complex. The kinetics of the aza-Michael addition and photo-CuAAC reaction were investigated by liquid state 1H NMR spectroscopy and real-time Fourier transform infrared spectroscopy. This new process represents a well-defined spatio-temporal pathway to the synthesis of bespoke intermediate molecules for various applications.

Michael reaction

Alkyne

Bespoke

10.1039/c8ra10011j

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Citations (7)