Tetrahedron Letters, Volume 28, Issue 47, 1987, Pages 5883-5886
Kimihiko Hori, Masatomo Ando, Naotake Takaishi, Yoshiaki Inamoto
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http://www.sciencedirect.com/science/article/pii/S0040403901810807- DOI:
http://dx.doi.org/10.1016/S0040-4039(01)81080-7