TY JOUR TI Improved method for preparation of 4,5-dichlorophthalonitrile and synthesis of 4-chloro-5-(R-amino)phthalonitriles on its basis KW 4,5-dichlorophthalonitrile KW N-nucleophiles KW amines KW SNAr reaction KW phthalocyanines KW 4-chloro-5-(R-amino)phthalonitriles JO From Chemistry Towards Technology Step-By-Step AU Baklagin, V.L. AU Baklagin, V.V. AU Molchanova, K.V. AU Abramov, I.G. PY 2024 IS 5 PB Yaroslavl State Technical University