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Synthesis of isomeric isothiazolo[4',3':4,5]- and isothiazolo[4',5':4,5]thieno[3,2-b]pyrano[2,3-d]pyridines by combination of domino reactions. 2013

Anatoliy M Shestopalov, and Natalia A Larionova, and Alexander E Fedorov, and Lyudmila A Rodinovskaya, and Valery Yu Mortikov, and Andrey A Zubarev, and Ivan S Bushmarinov
N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences , 119991 Moscow, Russian Federation.

Isothiazolothienopyridines have been prepared by a domino reaction (the SN2 reaction → the Thorpe-Ziegler reaction → the Thorpe-Guareschi reaction type) from disodium 4-cyanoisothiazole-3,5-dithiolate. By changing the order of addition of the alkylation reagents in the reaction with disodium 4-cyanoisothiazole-3,5-dithiolate both possible isomers of the isothiazolothienopyridines are synthesized. These isomers were further used in three-component domino reaction (the Knoevenagel reaction → the Michael reaction → the hetero-Thorpe-Ziegler reaction type) to obtain wide range of isomeric isothiazolothienopyranopyridines.

UI MeSH Term Description Entries
D008958 Models, Molecular Models used experimentally or theoretically to study molecular shape, electronic properties, or interactions; includes analogous molecules, computer-generated graphics, and mechanical structures. Molecular Models,Model, Molecular,Molecular Model
D011714 Pyrans Pyran
D011725 Pyridines Compounds with a six membered aromatic ring containing NITROGEN. The saturated version is PIPERIDINES.
D013237 Stereoisomerism The phenomenon whereby compounds whose molecules have the same number and kind of atoms and the same atomic arrangement, but differ in their spatial relationships. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed) Molecular Stereochemistry,Stereoisomers,Stereochemistry, Molecular,Stereoisomer
D013438 Sulfhydryl Compounds Compounds containing the -SH radical. Mercaptan,Mercapto Compounds,Sulfhydryl Compound,Thiol,Thiols,Mercaptans,Compound, Sulfhydryl,Compounds, Mercapto,Compounds, Sulfhydryl
D013844 Thiazoles Heterocyclic compounds where the ring system is composed of three CARBON atoms, a SULFUR and NITROGEN atoms. Thiazole
D013876 Thiophenes A monocyclic heteroarene furan in which the oxygen atom is replaced by a sulfur. Thiophene
D015394 Molecular Structure The location of the atoms, groups or ions relative to one another in a molecule, as well as the number, type and location of covalent bonds. Structure, Molecular,Molecular Structures,Structures, Molecular
D020650 Combinatorial Chemistry Techniques A technology, in which sets of reactions for solution or solid-phase synthesis, is used to create molecular libraries for analysis of compounds on a large scale. Chemistry Techniques, Combinatorial,Techniques, Combinatorial Chemistry,Chemistry Technic, Combinatorial,Chemistry Technics, Combinatorial,Chemistry Technique, Combinatorial,Combinatorial Chemistry Technic,Combinatorial Chemistry Technics,Combinatorial Chemistry Technique,Technic, Combinatorial Chemistry,Technics, Combinatorial Chemistry,Technique, Combinatorial Chemistry

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