1) Convert into a diazo compound 2) To cause diazotization 3) To undergo diazotization 
(di-az´o-tīz) to introduce the diazo group into a compound.
Di·az'o·tize transitive verb (Chemistry) To subject to such reactions or processes that diazo compounds, or their derivatives, shall be produced by chemical exchange or substitution. 
Type: Term Pronunciation: dī-az′ō-tīz Definitions: 1. To introduce the diazo group into a chemical compound, usually through the treatment of an amine with nitrous acid.
verb convert (an amine) into a diazo compound
to cause diazotization.