33543-91-8Relevant articles and documents
Production process of 2-(tetrazol-5-yl)-4-oxo-4H-benzopyran
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, (2008/06/13)
There is disclosed a process for producing a 2-(tetrazol-5-yl)-4-oxo-4H-benzopyran of general formula (1): STR1 which comprises reacting a hydroxyacetophenone of general formula (2): STR2 with a tetrazole compound of general formula (3): STR3 in the presence of a base in a solvent composed mainly of at least one selected from hydrocarbons, halogenated hydrocarbons and alcohols, and then treating the reaction mixture under acidic conditions.
Benzopyrones. 7. Synthesis and antiallergic activity of some 2-(5-tetrazolyl)chromones.
Ellis,Shaw
, p. 865 - 867 (2007/10/08)
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