Kleine Ringe erweitern: Auf die Spannung kommt es an

The Formal [4+3] Cycloaddition between Donor−Acceptor Cyclobutanes and Nitrones

(2011) Andrew C. Stevens et al.   ORGANIC LETTERS

Ytterbium Triflate Catalyzed Synthesis of Alkoxy-Substituted Donor−Acceptor Cyclobutanes and Their Formal [4 + 2] Cycloaddition with Imines: Stereoselective Synthesis of Piperidines

(2010) Mahmoud M. Abd Rabo Moustafa et al.   ORGANIC LETTERS

Tandem Cyclopropane Ring-Opening/Conia-ene Reactions of 2-Alkynyl Indoles: A [3 + 3] Annulative Route to Tetrahydrocarbazoles

(2010) Huck K. Grover et al.   ORGANIC LETTERS

Heterocycles from cyclopropanes: applications in natural product synthesis

(2009) Cheryl A. Carson et al.   CHEMICAL SOCIETY REVIEWS

Formal [4 + 2] Cycloaddition of Donor−Acceptor Cyclobutanes and Aldehydes: Stereoselective Access to Substituted Tetrahydropyrans

(2009) Andrew T. Parsons et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Catalytic Enantioselective Synthesis of Tetrahydrofurans: A Dynamic Kinetic Asymmetric [3 + 2] Cycloaddition of Racemic Cyclopropanes and Aldehydes

(2009) Andrew T. Parsons et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY