Mixed sulfonic-carboxylic anhydrides. I. Synthesis and thermal stability. New syntheses of sulfonic anhydrides
Y Mazur, MH Karger
Index: Karger,M.H.; Mazur,Y. Journal of Organic Chemistry, 1971 , vol. 36, p. 528 - 531
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Citation Number: 53
Abstract
Two new high-yield syntheses of mixed sulfonic-carboxylic anhydrides are described. Two modes of thermal decomposition of the products, disproportionation to simple anhydrides, and ketene extrusion take place, relative rates being dependent upon the temperature of reaction. The disproportionation reaction is used to effect a general synthesis of sulfonic anhydrides, whose behavior toward heat is also studied.
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