... Journal of the American Chemical Society (1985), 107 (2), 519-21CODEN: JACSAT ; ISSN:0002-7863. ... (4) For a review on Ns chemistry, see: (a) Kan, T.; Fukuyama, T. J. Synth. Org. Chem., Jpn. 2001, 59, 779. (b) Kurosawa, W.; Kan, T.; Fukuyama, T. Org. Synth. ...