Zobrazeno 1 - 10
of 96
pro vyhledávání: '"A. N. Komogortsev"'
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 20, Iss 1, Pp 2585-2591 (2024)
For the first time, recyclization of allomaltol derivatives with an amide fragment in the side chain were investigated. It was shown that the studied process leads to substituted tetronic acids bearing a pyrrolidinone moiety. The application of 1,1
Externí odkaz:
https://doaj.org/article/99a09fb5793d4c5eaea9db575ea13983
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 20, Iss 1, Pp 1334-1340 (2024)
For the first time, the interaction of aroyl containing pyrano[2,3-d]isoxazolone derivatives with various hydrazines was studied. It was shown that the considered process includes formation of corresponding hydrazones followed by Boulton–Katritzky
Externí odkaz:
https://doaj.org/article/bb067bb385704cb99fe29a48ce9fcc70
Autor:
Constantine V. Milyutin, Andrey N. Komogortsev, Boris V. Lichitsky, Mikhail E. Minyaev, Valeriya G. Melekhina
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 19, Iss 1, Pp 778-788 (2023)
For the first time, we elaborated a method for the synthesis of pyrimidines containing an allomaltol unit. The suggested approach is based on the reaction of 2-(1-(dimethylamino)-3-oxo-3-arylprop-1-en-2-yl)-3-hydroxy-6-methyl-4H-pyran-4-ones with cya
Externí odkaz:
https://doaj.org/article/2945d1c5e247404ea4c42e6913894a99
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 18, Iss 1, Pp 588-596 (2022)
The photochemical properties behavior of 3-hydroxy-4-pyranone containing terarylenes with a pyrazole bridge fragment were studied. It was shown that UV-induced 6π-electrocyclization of the 1,3,5-hexatriene system was not observed for the considered
Externí odkaz:
https://doaj.org/article/f7eaa1f89e844102a6e24fb19dfeb4c2
Publikováno v:
Molbank, Vol 2023, Iss 1, p M1590 (2023)
A novel synthesis approach for griseofulvin derivatives was developed. The presented method is based on a two-stage process that includes preliminary acetylation of griseofulvic acid followed by condensation with ammonium acetate. The advantages of t
Externí odkaz:
https://doaj.org/article/f1f273ea100a437ead6333a36e1c639c
Publikováno v:
Molbank, Vol 2022, Iss 4, p M1516 (2022)
An efficient telescoped method for synthesis of 3-phenyl-10-(2,3,4-trimethoxyphenyl)-9,10-dihydro-4H,8H-pyrano[2,3-f]chromene-4,8-dione was elaborated. The presented protocol includes the one-pot multicomponent reaction of 7-hydroxy-3-phenyl-4H-chrom
Externí odkaz:
https://doaj.org/article/682efdfd249545cfa19e1e91a6a760e3
Publikováno v:
Molbank, Vol 2022, Iss 4, p M1481 (2022)
An environment-friendly photochemical approach to the synthesis of 4a,7a-dihydroxy-1-(2-hydroxyethyl)-5-methyl-2′,3′,4a,5′,6′,7a-hexahydrospiro[cyclopenta[b]pyridine-4,4′-pyran]-2,7(1H,3H)-dione from 2-(4-(3-hydroxy-6-methyl-4-oxo-4H-pyran-
Externí odkaz:
https://doaj.org/article/514f2cb72a9e40f9a8339ff3a2e0bfb2
Publikováno v:
Molbank, Vol 2022, Iss 2, p M1357 (2022)
We elaborated a convenient one-step approach for the synthesis of previously unknown 2-(5-acetyl-7-methoxy-2-(4-methoxyphenyl)benzofuran-3-yl)acetic acid. The suggested protocol includes the multicomponent reaction of acetovanillone, 4-methoxyphenylg
Externí odkaz:
https://doaj.org/article/ec67576f4b18445bb1400c3054049ad2
Publikováno v:
Molbank, Vol 2022, Iss 1, p M1315 (2022)
A simple and efficient protocol for the synthesis of the previously unknown 2-(2-(4-methoxyphenyl)furo[3,2-h]quinolin-3-yl)acetic acid was elaborated. The suggested method is based on the telescoped multicomponent reaction of 8-hydroxyquinoline, 4-me
Externí odkaz:
https://doaj.org/article/e49b707e0df44ab0a88f23c18894180e
Publikováno v:
Molbank, Vol 2021, Iss 4, p M1304 (2021)
For the first time, we describe a new approach towards the synthesis of previously unknown 2-(2-(4-methoxyphenyl)-4,9-dimethyl-7-oxo-7H-furo[2,3-f]chromen-3-yl)acetic acid. The presented method is based on the multicomponent condensation of 5-hydroxy
Externí odkaz:
https://doaj.org/article/aa811a29574a474d8d808e3802e56f8d