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Individual
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Individual
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Priority to JP2957180ApriorityCriticalpatent/JPS56125390A/en
Publication of JPS56125390ApublicationCriticalpatent/JPS56125390A/en
USE: Usable as an agricultural chemical, a medicine, etc. and useful as various synthetic raw materials utilizing the reactivity thereof.
PROCESS: An N2-substituted-5-phenyltetrazole of formula II (R1 is H or lower alkyl) is irradiated with light in a solvent, e.g. a hydrocarbon such as benzene, to give the compound of formula I. The concentration of the compound of formula II in the solvent and other irradiation conditions may be suitably selected and determined.