... 5, p 401. (b) Boger, DL; Weinreb, S. M. Hetero Diels-Alder Methodology in Organic Synthesis; Academic ... In Organofluorine Chemistry: Principles and commercial Applications; Banks, RE, Tatlow, JC, Eds.; Plenum Press: New York, 1994; pp 501-541. ... a Isolated yield. 5010 J. Org. ...