Zobrazeno 1 - 10
of 1 509
pro vyhledávání: '"S. Kalogirou"'
Publikováno v:
Molbank, Vol 2024, Iss 2, p M1813 (2024)
The reaction of sodium 2,2-dicyanoethene-1,1-bis(thiolate) with bromine (2 equiv.) in CCl4 gave 3,5-dibromoisothiazole-3-carbonitrile and 5,5′-thiobis(3-bromoisothiazole-4-carbonitrile) in 7% and 18% yields, respectively. The latter novel compound
Externí odkaz:
https://doaj.org/article/dc318e590cd947e2a512e854df7c6e2a
Autor:
Emmanouil Broumidis, Samuel B. H. Patterson, Georgina M. Rosair, Panayiotis A. Koutentis, Andreas S. Kalogirou
Publikováno v:
Molbank, Vol 2024, Iss 1, p M1774 (2024)
3,5-Diphenyl-4H-1,2,6-thiadiazin-4-one treated with meta-chloroperoxybenzoic acid undergoes an oxidative ring contraction to give 2-benzoyl-4-phenyl-1,2,5-thiadiazol-3(2H)-one 1,1-dioxide in a 29% yield, the structure of which is supported by single-
Externí odkaz:
https://doaj.org/article/18c061e47e6f4e6aba24d4e5caf5745e
Publikováno v:
Molbank, Vol 2024, Iss 1, p M1761 (2024)
Stille coupling between 5,5′-dibromo-4,4′-diphenyl-2,2′-bithiazole and 9-(2-ethylhexyl)-3-(tributylstannyl)-9H-carbazole in the presence of Pd(Ph3P)2Cl2 in toluene, heated at reflux for 2 h, gave 5,5′-bis[9-(2-ethylhexyl)-9H-carbazol-3-yl]-4,
Externí odkaz:
https://doaj.org/article/58e6341af0184569abf7cfc2c48a047e
Publikováno v:
Molbank, Vol 2023, Iss 1, p M1557 (2023)
Reactions of 3-bromo-4-phenylisothiazole-5-carboxamide and 3-bromoisothiazole-5-carboxamide with NaNO2 (4 equiv.), in TFA, at ca. 0 °C gave the carboxylic acid products in 99% and 95% yields, respectively. The two compounds were fully characterized.
Externí odkaz:
https://doaj.org/article/9cb6ba0ede6d48e6aa56f477db156aac
Publikováno v:
Molbank, Vol 2023, Iss 1, p M1553 (2023)
A reaction of 3-chloroisothiazole-5-carbonitrile with 1-iodo-4-methylbenzene (2 equiv.) produced 3-chloro-4-(p-tolyl)isothiazole-5-carbonitrile in a 60% yield. The compound was fully characterized.
Externí odkaz:
https://doaj.org/article/f0a4d834db1c4cda9e9bb44a02efe342
Publikováno v:
Molbank, Vol 2023, Iss 1, p M1560 (2023)
Reaction of methyl 3-bromo-5-cyanoisothiazole-4-carboxylate with conc. H2SO4 gave methyl 3-bromo-5-carbamoylisothiazole-4-carboxylate in 93% yield. The compound was fully characterized.
Externí odkaz:
https://doaj.org/article/e502fc0adad545c4a0dae63a1660d0a3
Publikováno v:
Molecules, Vol 28, Iss 7, p 3193 (2023)
The 1,2,3-dithiazole is an underappreciated scaffold in medicinal chemistry despite possessing a wide variety of nascent pharmacological activities. The scaffold has a potential wealth of opportunities within these activities and further afield. The
Externí odkaz:
https://doaj.org/article/542305ebd16148138b1ef60cfdd98a37
Publikováno v:
Molbank, Vol 2022, Iss 2, p M1377 (2022)
Reaction of 3,4,4,5-tetrachloro-4H-1,2,6-thiadiazine with 2-mercaptoethan-1-ol (1 equiv.) gave 6,10-dichloro-1-oxa-4,8-dithia-7,9-diazaspiro[4.5]deca-6,9-diene in 12% yield. The compound was fully characterized.
Externí odkaz:
https://doaj.org/article/df289f19b2ae4a18a004485cd834fd91
Publikováno v:
Molbank, Vol 2022, Iss 1, p M1354 (2022)
Reaction of 4,5-dichloro-1,2,3-dithiazolium chloride with 2-[amino(methylthio)methylene])malononitrile (1 equiv) in the presence of pyridine (2 equiv) gave (Z)-2-{[(4-chloro-5H-1,2,3-dithiazol-5-ylidene)amino](methylthio)methylene}malononitrile in 20
Externí odkaz:
https://doaj.org/article/f1d41b17444148ada8185bd586f84b0d
Publikováno v:
Molbank, Vol 2022, Iss 1, p M1322 (2022)
The reaction of 4,5-dichloro-1,2,3-dithiazolium chloride with 2-(phenylsulfonyl)acetonitrile (1 equiv) in the presence of pyridine (2 equiv) gave S-(3-chloro-5-cyanoisothiazol-4-yl)benzenesulfonothioate and (Z)-2-(4-chloro-5H-1,2,3-dithiazol-5-yliden
Externí odkaz:
https://doaj.org/article/16c00c3a611b44cbb9cebfac42b0a568