Maleic and Fumaric Dialdehydes, Δ - American Chemical Society

A crystalline dialdehyde, believedto be fumaric dialdehyde, has been isolated from the acid hydrolysis of dimethoxydi- hydrofuran, and its infrared an...
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termediate for the preparation of 2-bromo-4-( trifluoromethyl)-anisole, was not depressed. Acetyl and benzol 1 derivatives of both the reaction product a n d the authentic

sample wcre prcparcd and were identical. The acetyl derivative melted a t 105", the benzoyl derivative a t 145'. I,At;AYETTB, I UDIANA

lCoNTRIBUTION FROM THE DEPARTMENT O F CHEMI5l R Y O F I H E GNIVE.RSITY OF I