Reactivities of methoxycarbonylphenylcarbenes generated by flash vacuum pyrolysis
Abstract
Whilst flash vacuum pyrolysis of p-, m-, and o-methoxycarbonylphenyldiazomethanes gave 3-methylphthalide and 2-methoxybenzocyclobutenone, neither product could be detected in the pyrolysis of methyl α-diazophenylacetate.
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