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The structure of the so called red “methyl ether” of diospyrin

✍ Scribed by G.S. Sidhu; M. Pardhasaradhi

Publisher
Elsevier Science
Year
1967
Tongue
French
Weight
280 KB
Volume
8
Category
Article
ISSN
0040-4039

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✦ Synopsis

Vbo l tmutare of diompyrim (I) barn roemtly boom l mt~limhed by u (1). lfo mhowd duiy tbo oomrm of thim mrk that dioapyrin di=etk+tber (II) is l yolla ampoud (I.). tS@) aad that the red oompomnd (apI a*) reported by Upil adDbar (2) andby t3erindaahui aad Gmngmli (a) to bo the dimethylotber of dioapyrim ha8 l mleoalar m*iCbt of 416. Henso it mmt be a trimethyletker of l rearresuement pro&at fe;(rd b the adion of alkali en dioqyrin.

To get a~ imight ink ita &motare it ns neoemy to (a) uei@ tke ohaisal ahifte (5.71 and 4.04)s betma the two metberyl q-pm of diospyrir diuwlother (II), ud (b) k

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The action of diazonium salts on N-arylhydroxylamines gives rise to compounds which have been assumed to have the structure of 3-hydroxytriazene (I) (1). These compounds have also been formed in good yields by the action of peroxybensoic acid on diazoeminobensenes in ether (2); it therefore seems ev