Semidine

two doublets of doublets due to two nonequivalent PPh3 groups; 6p(CH2C12-CD2C12) 50.6 and 47.7; lJ(RhP) 183.2 and 181.9 Hz… (More)

A previously unknown (in the indole series) rearrangement of the semidine type leading leading to the formation of 1-methyl-2… (More)

Acid treatment of 3,3′,5,5′-tetrabromohydrazobenzene resulted in rearrangement (78%) accompanied by disproportionation to azo… (More)

Ultraviolet irradiation of N-1-naphthyl-N′-phenylhydrazine (I), 1,1′-hydrazonaphthalene (II), 4-nitrohydrazobenzene (III), or 4… (More)

Reaction of diphenyl disulphide with trialkyloxonium fluoroborates gives products which closely resemble the products of semidine… (More)

4-Acetamidohydrazobenzene is converted by 0·007–0·1N-perchloric acid in ‘60%’ aqueous dioxan to give 30% of rearrangement and 70… (More)

These rearrangements are both of first-order in hydrazo-compound and of first-order in hydrogen ions over the measured 500- or… (More)

In ‘60 %’ aqueous dioxan containing perchloric acid, the rearrangement of 2-methoxyhydrazobenzene to 3-methoxybenzidine shows… (More)

When the 1-nitronaphthalene-2-diazonium ion is reduced with protium-free D/sub 3/PO/sub 2/ in the presence of D/sub2/S0/sub 4/ in… (More)

IN my presidential address1 to the Chemical Society in 1941 I discussed the circumstances of the transformation of hydrazobenzene… (More)