Boron–nitrogen-doped π-conjugated systems have been regarded as a class of organic
materials with exceptional electronic and optical properties, which makes them promising in …

Publisher Summary SNH methodology finds significant use in organic synthesis. A major
advantage of this methodology is that it eliminates the necessity of first introducing a good …

The article discusses the characterization and synthesis of various derivatives of the BN
which contain dibenzo-[a, o] picene (BN-DBP) and isoelectronic analogues of an isomer of …

The possibility of using a wide range of synthetic methods and the diverse properties
resulted in an increased interest in azahelicenes and similar nitrogen bearing helical …

A series of arylhydrazones 1a-c were prepared and reacted with α, β-unsaturated nitriles 2a-
e to yield 1, 4-dihydropyridazines and fused pyridazinoquinazoline. The prepared …

Abstract The review surveys the data on amination of electron-deficient aromatic
heterocycles by using the methodology of nucleophilic substitution of hydrogen (S NH). The …

Several new 3-arylpyrimido [4, 5-c] pyridazine-5, 7 (6H, 8H)-diones and 3-aryl-5-oxo-7-
thioxo-7, 8-dihydropyrimido [4, 5-c] pyridazin-5 (6H)-ones have been synthesized by a three …

The tautomerism of the synthesized 3‐arylpyrimido [4, 5‐c] pyridazine‐5, 7 (6H, 8H)‐diones
(1a–d) and 3‐aryl‐7‐thioxo‐7, 8‐dihydro‐6H‐pyrimido [4, 5‐c] pyridazine‐5‐ones (2a–d) …

Reactions of 3-alkylamino-6, 8-dimethylpyrimido [4, 5-c] pyridazine-5, 7 (6H, 8H)-diones with
cyclohexyl-and cycloheptylamines in the presence of AgPy2MnO4 produce novel …

The data on nucleophilic substitution reactions of hydrogen in 6, 8‐dimethylpyrimido [4, 5‐c]
pyridazine‐5, 7 (6H, 8H)‐dione, its 3‐chloride, N2‐oxide and some other derivatives are …