Synthesis of 2,7-diazabicyclo[3.3.0]octane and 2,7-diaza bicyclo[3.3.0]oct-4-ene derivatives via cyclization reaction and Julia reaction

Article abstract of DOI:10.1080/00397919608003516

2,7-Diazabicyclo[3.3.0]octan-4-ol(1) and 2,7-diazabicyclo[3.3.0]oct-4-ene (2) are synthesized by the desulfonylation using Mg-HgCl₂(cat.) of β-hydroxy sulfone derivatives which have been prepared via cyclization of sulfone ester derivative.