Sulfonation of Benzocrown Ethers by Potassium Sulfate in Polyphosphoric Acid

Author： Grebenyuk A.D.   Zotova L.V.   Tashmukhamedova A.K.  

Publisher： Springer Publishing Company

ISSN： 0009-3122

Source： Chemistry of Heterocyclic Compounds, Vol.37, Iss.7, 2001-07, pp. : 822-826

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