<?xml version="1.0" ?>
<beilsteinTutorial creator="kosatab@vscht.cz">
<key>selectivity</key><key>atom-atom mapping</key>
<description>Is it possible to reduce sulphochloride group in presence of nitro group?</description>

<query>
<comment></comment>

<subquery hits="268" pict="ex41a">Reduction of sulphochloride. We don't use atom-atom mapping because we don't want to miss anything.</subquery>

<subquery hits="261893" pict="ex41b">Retention of nitro group. This could be rather long search, so make yourself a cup of coffee and wait. We don't use atom-atom mapping here, because this search ensures some nitro group remains in the molecule.</subquery>

<subquery text=".Q1 or .Q2" hits="6">Finally, we put them together</subquery>
<hit brn="2211239" class="hit"></hit>
<hit brn="3021256" class="extra">This is the result of not using atom-atom mapping</hit>
<hit brn="3021263" class="hit"></hit>
<hit brn="3773463" class="hit"></hit>

</query>
</beilsteinTutorial>