Diazirine derivatives of aromatic heterocyclic compounds
申请人:SHELL INTERNATIONALE RESEARCH
MAATSCHAPPIJ B.V.
公开号:EP0432817A1
公开(公告)日:1991-06-19
Compounds of the formula
in which Het represents an optionally substituted aromatic heterocycle having a sulphur or oxygen hetero atom and attached via a ring carbon atom, and X is halogen, alkyl, alkaryl, cyano, alkoxy, mono- or di-alkylamino, acyloxy or aryl,are useful intermediates to a range of cyclopropane derivatives. Processes for their preparation and their use in further synthetic processes are also described.