@article{weko_14995_1,
   author	 = "Okado,Ryohei and Nowaki,Aya and Matsuo,Jun-ichi and Ishibashi,Hiroyuki",
   title	 = "Formal [4+2] Cycloaddition of di-tert-Butyl 2-Ethoxycyclobutane-1,1-dicarboxylate with Ketones or Aldehydes and Tandem Lactonization",
   journal	 = "Chemical and Pharmaceutical Bulletin",
   year 	 = "2012",
   volume	 = "60",
   number	 = "1",
   pages	 = "21--22",
   month	 = "jan"
}