chromic, i've never heard of a bisulfite test for isosafrole, sure you are not refering to the ketone test?
semtex: anyways take a small arbitrary amount of iso, dissolve it in 10 volumes Et2O, dissolve 5 molar equivalents NaNO2, in the minimum amount of water reqd, add 2.5 molar equivalents of 20-25% H2SO4. you should see a yellowing of the etherial layer followed by precipitate at the H2O/Et2O interface after 2-3 hours, works every time.
N.B. iso-myristicin and iso-apiole behave differently due to a pseudonitrosite that prefers to oil out
, it will work but the work-up is exhauting.
But for isosaf this IS the shit, do it after every isomerization (just to be sure)
hope that helps
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