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Article
Water Mediated Crystallization and Polymorphism of Zinc Phthalocyanine
The crystallization of zinc phthalocyanine (ZnPc) by slow diffusion of water into the solution in 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone (DMPU) resulted in a formation of a series of crystals. The fir...
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Article
Chiral 2-Oxo-1,4,2-oxazaphosphorinanes: Synthesis, Structure, and Applications (A Review)
The review summarizes the literature data on methods for the preparation of both racemic and enantiopure 2-oxo-1,4,2-oxazaphosphorinanes – phosphorus-containing heterocyclic compounds, which are N-substituted der...
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Article
Non-Covalent Interactions in Weak Donor–Acceptor Systems Based on Toluene and Tetracyanoquinodimethane Derivatives
A series of 1 : 1 cocrystals of weak donor–acceptor complexes between toluene and fluorinated derivatives of tetracyanoquinodimethane with alternating donor and acceptor components has been obtained. Mutual or...
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Article
Synthesis of Chiral 1,4,2-Oxazaphosphorinanes Bearing Pyridyl Substituents
A series of 1,4,2-oxazaphosphorinanes was synthesized by the three-component reaction of chiral pyridylcontaining imines with trialkyl phosphites and monochloroacetic acid, followed by dealkylation of the P(O)...
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Article
Chiral recognition of N-thiophosphorylated thioureas via nickel(ii) coordination assisted by 4-dimethylaminopyridine
Nickel(ii) complexes were synthesized using chiral N-thiophosphorylated thioureas as the starting compounds and 4-dimethylaminopyridine as a co-ligand. The reaction with racemic thiourea afforded homochiral compl...
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Article
New chiral 1,4,2-oxazaphosphorinanes bearing a free hydroxy group
New chiral 3-aryl-2-hydroxy-2-oxo-5-R-1,4,2-oxazaphosphorinanes were obtained by a three-step one-pot synthesis, which included the preparation of imines from enantiopure (2R)-2-aminoalkan-1-ols, their phosphonyl...
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Article
Condensation products of Betti base and pyridinecarboxaldehydes
Previously unknown condensation products were obtained by the reaction of the racemic Betti base with 2-, 3- and 4-pyridinecarboxaldehydes. It was established that they have a naphthoxazine structure in solid ...
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Article
Phosphorylation of Betti Base with Bis(diethylamino)phosphoryl Chloride
The reaction of bis(diethylamino)phosphoryl chloride with N-Boc-protected 1-(α-aminobenzyl)-2- naphthol (Betti base) proceeded via O-phosphorylation of the phenolic OH group to form the target product as trifluor...
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Article
Ni(II) complex of bisthiophosphorylated thiourea prepared from the Betti base
The interaction between bisthiophosphorylated thiourea with nickel(II) nitrate in the presence of potassium tert-butylate has afforded NiL2 complex with square-planar configuration of the nickel(II) ion and the 1...
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Article
Betti base in the synthesis of chiral bisphosphorylated thioureas
Phosphorylation of a naphthol hydroxy group of thiophosphorylated thiourea obtained by reaction of diethyl thiophosphoryl isothiocyanate with 1-(α-aminobenzyl)-2-naphthol (Betti base) afforded a number of chir...
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Article
First coordination polymer based on diterpenoids. Synthesis, structure, and magnetic properties
One-dimensional coordination polymer was obtained by cation exchange reaction of triethylammonium salt of methyl ent-16α-H-phosphonyloxybeyeran-19-oate with CuCl2. Its structure was determined by single crystal X...
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Article
Study of the reactivity of organonickel sigma-complexes towards nitriles
The reactivity of organonickel sigma-complexes of type [NiBr(Ar)(bpy)], where Ar = 2,6-dimethylphenyl (Xyl), 2,4,6-trimethylphenyl (Mes), 2,4,6-triisopropylphenyl (Tipp), 2,4,6-tricyclohexylphenyl (Tchp), bpy ...
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Article
Phosphorylation of betti base with diethyl chlorophosphate
Phosphoric acid derivatives containing chiral Betti base fragment were synthesized by reacting racemic and enantiopure N-Boc-protected 1-(α-aminobenzyl)-2-naphthols with diethyl chlorophosphate followed by deprot...
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Article
Phosphorylation of Betti bases
Reaction of N-substituted 1-(α-aminobenzyl)-2-naphthols (Betti bases) with phosphorus(III) compounds followed by sulfurization afforded new cyclic phosphorylated and thiophosphorylated diastereomeric derivatives ...
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Article
Diastereoselective synthesis of α-aminoalkylphosphonic acid derivatives of Betti base
A reaction of triethyl phosphite with 3-alkyl-1-phenylnaphthoxazines in the presence of halotrimethylsilanes with subsequent removal of the trimethylsilyl group by hydrolysis furnished diastereomeric α-aminoal...
