Formal [4+2] Cycloaddition of di-tert-Butyl 2-Ethoxycyclobutane-1,1-dicarboxylate with Ketones or Aldehydes and Tandem Lactonization

Cyclobutanes in Catalysis

(2011) Tobias Seiser et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

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

Formal [4 + 2] Cycloaddition of Alkoxy-Substituted Donor−Acceptor Cyclobutanes and Aldehydes Catalyzed by Yb(OTf)3

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

Intramolecular annulations of donor–acceptor cyclopropanes

(2010) Terry P. Lebold et al.   PURE AND APPLIED CHEMISTRY

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

Lewis Acid-Catalyzed Intermolecular [4 + 2] Cycloaddition of 3-Alkoxycyclobutanones to Aldehydes and Ketones

(2008) Jun-ichi Matsuo et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY