ORIENTATION IN THE SULFONATION OF BIPHENYL IN SULFURIC ACID SYSTEMS
Previously obtained calculated data on the orientation during the monosulfonation of biphenyl with 100percent sulfuric acid in the presence of O.2 mole/kg of nitrobenzene were confirmed by a flow technique.With dilution of the system to 7.5 mole/kg with nitrobenzene the ortho/para and meta/para ratios decrease by 500 and 40 times respectively.The probable reasons for this phenomenon are discussed.
Zaraiskii, A. P.,Kachurin, O. I.
p. 1940 - 1943
(2007/10/02)
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