P. H. Grayshan

Heterocyclic derivalives of naphthalene‐1,8‐dicar boxylie anhydride. Part III. Benzo[<i>k,l</i>] thioxanthene‐3,4‐dicarboximides

P. H. Grayshan, Abla M. Kadhim, Arnold T. Perters · Journal of Heterocyclic Chemistry · 1974 · 61 citations

Derivative (Chemistry), Diversity Oriented Synthesis, Engineering +14

Heterocyclic derivatives of naphthalene‐1,8‐dicarboxylic anhydride. Part II. Colour and dyeing properties on synthetic fibres of some substituted 7<i>H</i>‐benzimidazo[2,1‐<i>a</i>]benz[<i>de</i>]isoquinolin‐7‐ones

P. H. Grayshan, Arnold T. Peters · Journal of Heterocyclic Chemistry · 1973 · 22 citations

Derivative (Chemistry), Derivatives, Engineering +14

Heterocyclic derivatives of naphthalene‐1,8‐dicarboxylic anhydride. Part I. Nitro‐7<i>H</i>‐benzimidazo[2,1‐<i>a</i>]benz[<i>de</i>]isoquinolin‐7‐ones

P. H. Grayshan, Arnold T. Peters · Journal of Heterocyclic Chemistry · 1973 · 19 citations

Organic Material Chemistry, Derivative (Chemistry), Derivatives +11

New intermediates and dyestuffs for synthetic fibres. Part IV. 2-Nitronaphthalene-1,8-dicarboxylic anhydride

P. H. Grayshan, Arnold T. Peters · Journal of the Chemical Society C Organic · 1971 · 10 citations

Bioorganic Chemistry, Engineering, Organic Chemistry +18

New dyestuffs for synthetic fibres, benzimidazo-thioxantheno-isoquinolin-ones

P. H. Grayshan, K. H. R. Mak, Arnold T. Peters · Journal of Applied Chemistry and Biotechnology · 1974 · 10 citations

Chemical Engineering, Engineering, Organic Chemistry +3