Process for the synthesis of a known tetrazol derivative

A Process is disclosed for preparing a compound of the Formula (I)which comprises the steps of:(a) detritylating a compound of the Formula (III)with 0.1 to 1 equivalent of potassium hydroxide in a C1 to C4 straight chain alcohol solvent to obtain a reaction mixture containing the compound of the For...

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Main Authors PAPP EVA WERKNE, FISCHER JANOS, FARKAS JENOEME, BAGDY JUDIT NAGYNE, PETENYI ENDRENE, BALLO ILDIKO, KREIDL JANOS, HEGEDUES ISTVAN, CZIBULA LASZLO, NEMES ANDRAS, JUHASZ IDA DEUTSCHNE
Format Patent
LanguageEnglish
Published 23.03.2004
Edition7
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Summary:A Process is disclosed for preparing a compound of the Formula (I)which comprises the steps of:(a) detritylating a compound of the Formula (III)with 0.1 to 1 equivalent of potassium hydroxide in a C1 to C4 straight chain alcohol solvent to obtain a reaction mixture containing the compound of the Formula (I),(b) changing the C1 to C4 straight chain alcohol solvent in the reaction mixture to an aprotic solvent or a weakly protic solvent, and(c) following step (b) crystallizing out the compound of the Formula (I) from the reaction mixture.
Bibliography:Application Number: US20020182109