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A kinetic study has been made of the coupling of diazotised sulphanilic acid with glyoxaline. It is suggested that the rate-determining step is the reaction between the diazonium ion and the glyoxaline anion, the latter being formed from glyoxaline by ionisation of the N-H bond.

The nitration of 1‐methyl‐4‐(2,4,6‐trinitrophenyl)naphthalene (1) and of mono‐ and dinitro‐derivatives of (1) has been studied with a view to obtaining precursors of high energy compounds possessing thermal stability. A number of nitro‐, dinitro‐ and trinitro‐derivatives of (1) have been synthesized. Some of these derivatives have also been synthesized from 4‐bromo‐1‐methylnaphthalene by a combination of nitration and Ullmann reactions.

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