First synthesis of a phosphonothiashikimic acid derivativeElectronic supplementary information (ESI) available: experimental. See http://www.rsc.org/suppdata/cc/b1/b101050f/
Abstract
A new phosphono and thio analogue of shikimic acid ester has been synthesised from a thiopyranic derivative obtained via a [4 + 2] cycloaddition involving a phosphonodithioformate as heterodienophile.