Final two steps in the synthesis of acifluorfen, a commercial  herbicide. Described in Rohm &amp; Hass US patent 3928416 (compound 48)
<a href="//commons.wikimedia.org/wiki/User:Michael_D._Turnbull" title="User:Michael D. Turnbull">Michael D. Turnbull</a>
<span class="int-own-work" lang="en">Own work</span>