Abstract
AbstractIn an attempt to synthesise acyclic tetrazoles the reaction of hydrazoic acid with long chain keto fatty acids was investigated. Reaction of methyl 10‐oxoundecanoate with HN3 for 24 hrs gave amide (IIb) and urea derivatives (III) while the same reaction for prolong period (four days) gave both amides (IIa and IIb). Similarly methyl 12‐oxooctadecanoate (IV) gave an isomeric mixture of amide derivatives (Va and Vb). Other attempt to prepare tetrazole using sodium azide and catalytic amount of H2SO4 again gave the amide derivatives. Reaction in presence of large amount of methanol also gave amide derivative.
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