Zobrazeno 1 - 10
of 93
pro vyhledávání: '"Andrey N. Komogortsev"'
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
Publikováno v:
Molbank, Vol 2021, Iss 4, p M1292 (2021)
A simple one-pot approach was developed for the synthesis of furan-2(5H)-one derivative containing indole fragments. This method includes the telescoped multicomponent reaction of indole, 4-methoxyphenylglyoxal, and Meldrum’s acid. The synthetic ut
Externí odkaz:
https://doaj.org/article/6b742e4380df4354ab1b218aa2cbb0fc