Assertion: tempo | /r/HasProperty | essential
Facets:
Source sentences:
text: For primary alcohols, TEMPO has to be added as an oxidation catalyst, and for the transformation of secondary alcohols MeOH as an additive is essential to promote chlorination of the intermediary ketones.
text: For primary alcohols, TEMPO has to be added as an oxidation catalyst, and for the transformation of secondary alcohols MeOH as an additive is essential to promote chlorination of the intermediary ketones.