Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Vitaly A. Shcherbinin"'
Publikováno v:
Proceedings, Vol 9, Iss 1, p 21 (2019)
An efficient method is proposed for N-adamantylation of primary carboxamides and sulfonamides, ethyl carbamate, and 4-nitroaniline using the stoichiometric amount of 1-adamantanol in the presence of 5 mol% aluminum triflate in nitromethane. Similarit
Externí odkaz:
https://doaj.org/article/5b6914a7fbfe4a80a263d86e7a38e280
Autor:
Vitaly A. Shcherbinin, V. V. Konshin
Publikováno v:
Tetrahedron. 75:3570-3578
An efficient method for the synthesis of O-substituted mandelic acids containing alkenyl, alkynyl, methoxycarbonyl, or phenacyl fragments via the Lewis acid-catalyzed reaction of 1,3-dioxolan-4-ones with different C-nucleophiles is proposed.
Autor:
Vitaly A. Shcherbinin, V. V. Konshin
Publikováno v:
Tetrahedron Letters. 59:3005-3009
The reactions of 1,3-dioxolan-4-ones, readily available from α-hydroxy acids and aldehydes, with C-nucleophiles are described. Two possible reaction pathways resulting in O-substituted acids and tri-(hetero)arylmethanes are shown.
Publikováno v:
Proceedings, Vol 9, Iss 1, p 21 (2019)
An efficient method is proposed for N-adamantylation of primary carboxamides and sulfonamides, ethyl carbamate, and 4-nitroaniline using the stoichiometric amount of 1-adamantanol in the presence of 5 mol% aluminum triflate in nitromethane. Similarit
Publikováno v:
22nd International Electronic Conference on Synthetic Organic Chemistry.
There are several methods for the synthesis of 2-(1-adamantyl)furans, including those based on 1-adamantoyl chloride and malonic ester; 5-nitrofuran-2-carboxylic acid and 1-adamantanecarboxylic acid; 1-adamantylcarbaldehyde and propargylmagnesium bro
Publikováno v:
Chemistry of Heterocyclic Compounds. 50:1768-1771
Publikováno v:
Tetrahedron Letters. 57:1483-1485
A new tandem transformation of 3-furylphthalides into 3-(3-oxoalkyl)isocoumarins mediated by a red phosphorus/iodine reagent system has been developed. This allows the straightforward preparation of functionalized isocoumarins in good yields using re
Publikováno v:
Tetrahedron Letters. 57:1473-1475
A CuBr 2 catalyzed synthesis of 3-furylphthalides was accomplished by a dehydrative coupling reaction between phthalaldehydic acids and furans. The devised synthetic procedure has a broad substrate scope and mild reaction conditions and employs a rea
Publikováno v:
Chemistry of Heterocyclic Compounds. 50:619-633
A systematic summary is presented for methods for the synthesis of naphtho[2,3-b]furans developed over the past twenty years. Natural occurrence of these compounds as well as their biological activity and transformations are reviewed.
Publikováno v:
ChemInform. 47
A CuBr 2 catalyzed synthesis of 3-furylphthalides was accomplished by a dehydrative coupling reaction between phthalaldehydic acids and furans. The devised synthetic procedure has a broad substrate scope and mild reaction conditions and employs a rea