Asymmetric Synthesis of Bicyclo[4.3.1]decadienes and Bicyclo[3.3.2]decadienes via [6 + 3] Trimethylenemethane Cycloaddition with Tropones

Efficient synthesis of arylaminotetrazoles as via [2+3] cycloaddition of nitriles and sodium azide via solid acid catalysis

The [3+2] cycloaddition between various nitriles and sodium azide proceeds smoothly in the presence of zeolite and sulfated Zircona as effective catalyst and in the water and DMF/MeOH, to give the corresponding arylaminotetrazoles in good to high yields. The reaction most probably precedes through the in situ formation of a catalyst azide species, followed by a successive [3+2] cycloaddition wi...

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An efficient synthesis of arylaminotetrazoles as via [2+3] cycloaddition of nitriles and sodium azide via solid acid catalysis

The [3+2] cycloaddition between various nitriles and sodium azide proceeds smoothly in the presence of zeolite and sulfated Zircona as effective catalyst and in the water and DMF/MeOH, to give the corresponding arylaminotetrazoles in good to high yields. The reaction most probably precedes through the in situ formation of a catalyst azide species, followed by a successive [3+2] cycloaddition wi...

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Catalytic asymmetric exo-selective [6+3] cycloaddition of iminoesters with fulvenes.

A novel exo-selective [6+3] cycloaddition approach for the highly enantioselective synthesis of polysubstituted piperidines was developed. The developed methodology was applied in a one-pot [6+3]-[4+2] dicycloaddition, allowing the construction of structurally and stereochemically rich polycyclic compounds from simple building blocks.

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arylaminotetrazoles : via [2+3] cycloaddition of nitriles and sodium azide via solid acid catalysis

The [3+2] cycloaddition between various nitriles and sodium azide proceeds smoothly in the presence of zeolite and sulfated Zircona as effective catalyst and in the water and DMF/MeOH, to give the corresponding arylaminotetrazoles in good to high yields. The reaction most probably precedes through the in situ formation of a catalyst azide species, followed by a successive [3+2] cycloaddition wi...

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Asymmetric [3+ 2] cycloaddition of donor–acceptor aziridines with aldehydes via carbon–carbon bond cleavage

An enantioselective [3 + 2] annulation of donor–acceptor aziridines with aldehydes has been realized using a Nd(OTf)3/N,N0-dioxide/LiNTf2 catalyst system, providing various chiral cis-1,3-oxazolidines inmoderate to good yields with high levels of stereocontrol. A relay catalytic process is proposed where LiNTf2 promotes the formation of azomethine ylide intermediates, and a chiral Nd(III)–N,N0-...

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Asymmetric Synthesis of Bicyclo[4.3.1]decadienes and Bicyclo[3.3.2]decadienes via [6 + 3] Trimethylenemethane Cycloaddition with Tropones

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Efficient synthesis of arylaminotetrazoles as via [2+3] cycloaddition of nitriles and sodium azide via solid acid catalysis

An efficient synthesis of arylaminotetrazoles as via [2+3] cycloaddition of nitriles and sodium azide via solid acid catalysis

Catalytic asymmetric exo-selective [6+3] cycloaddition of iminoesters with fulvenes.

arylaminotetrazoles : via [2+3] cycloaddition of nitriles and sodium azide via solid acid catalysis

Asymmetric [3+ 2] cycloaddition of donor–acceptor aziridines with aldehydes via carbon–carbon bond cleavage

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