647833-70-3Relevant articles and documents
Formal Asymmetric 1,3-Dipolar Cycloaddition of Azomethine Ylides to (S)-2-p-Tolylsulfinyl-2-cyclopentenone
Garcia Ruano, Jose Luis,Tito, Amelia,Peromingo, M. Teresa
, p. 10013 - 10019 (2003)
Azomethine ylides, derived from iminoesters 1 and DBU in the presence of silver salts, react with (S)-2-p-tolylsulfinyl-2-cyclopentenone 2 in a completely regio- and endoselective manner but with a low facial selectivity, affording a mixture of two cycloa