Tetrahedron Letters, Volume 35, Issue 38, 19 September 1994, Pages 6981-6984
Cheng-yi Chen, David R. Lieberman, Robert D. Larsen, Robert A. Reamer, Thomas R. Verhoeven, Paul J. Reider, Ian F. Cottrell, Peter G. Houghton
- DOI:
http://dx.doi.org/10.1016/0040-4039(94)88204-5
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http://www.sciencedirect.com/science/article/pii/0040403994882045