A novel ring expansion observed during the intramolecular cyclisation with N-methoxy-N-acylnitrenium ions generated from N-methoxyamides: an expedient synthesis of 1,5-benzodiazonine derivatives
A novel ring expansion observed during the intramolecular cyclisation with N-methoxy-N-acylnitrenium ions generated from N-methoxyamides: an expedient synthesis of 1,5-benzodiazonine derivatives