Synthesis of the two epimeric 6-carbomethoxy-1,5-dimethyl-endo-tricyclo[5.2.1.02,6]dec-8-en-3-ones. Unequivocal structural assignment of the 5.alpha.- and 5.beta.-isomers via two dimensional NMR spectroscopy
Reaction of 1,5-exo-dimethyl-3-oxo-6-exo-carbomethoxytricyclo[5.2.1.02,6]dec-8-ene with ethanedithiol in the presence of boron trifluoride etherate. A novel fragmentation process
作者:Alan P. Marchand、V. Vidyasagar、Suresh Chander Suri、Ruthanne D. Thomas、Donald H. Ellington