Abstract Oxidation of tertiary alcohol of the type 3-hydroxy-3-phenacyloxindoles using the combination of phenyliodine diacetate and molecular iodine in methanol results in oxidative cleavage of C2-C3 bond to form isocyanate… Click to show full abstract
Abstract Oxidation of tertiary alcohol of the type 3-hydroxy-3-phenacyloxindoles using the combination of phenyliodine diacetate and molecular iodine in methanol results in oxidative cleavage of C2-C3 bond to form isocyanate as an intermediate with its subsequent trapping by methanol to form ortho-carbamates of 1,3-diaryl carbonyl compounds which further undergoes concurrent cyclization to furnish 2-hydroxy-2-aryl/alkyl-2,3-dihydroquinolin-4(1H)-ones derivatives in good yields.
               
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