30963-82-7Relevant academic research and scientific papers
Stereoselective synthesis of the bicyclo[5.3.0]decane portion of the diterpene antibiotic guanacastepene using a pyrylium-ylide [5+2] cycloaddition reaction
Magnus, Philip,Waring, Michael J.,Ollivier, Cyril,Lynch, Vince
, p. 4947 - 4950 (2001)
Treatment of 14 with Ac2O/Et3N resulted in [5+2] cyclization to give 2, which was further elaborated into 20, thus establishing the required stereochemistry in the top-half of guanacastepene 1.
