Previous Article Next Article Table of Contents Journal of the American Chemical Society, Vol.128, No.1, 44-45, 2006 DOI10.1021/ja054619i Export Citation Challenge to detect 1,4-zwitterions spectroscopically in a ketene-alkene reaction Machiguchi T, Okamoto J, Morita Y, Hasegawa T, Yamabe S, Minato T Please enable JavaScript to view the comments powered by Disqus.