Zobrazeno 1 - 10
of 89
pro vyhledávání: '"1H-NMR spectra"'
Publikováno v:
BMC Research Notes, Vol 14, Iss 1, Pp 1-7 (2021)
Abstract Objective Papaver decaisnei Hochst. & Steud. Ex Elkan and Papaver glaucum Boiss. & Hausskn. growing wild in Northern Iraq have been historically used for medicinal purposes. In this study, both species were evaluated for their alkaloid conte
Externí odkaz:
https://doaj.org/article/85a268f746544b8b85cb5ea68e569829
Akademický článek
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Akademický článek
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Publikováno v:
Journal of the Serbian Chemical Society, Vol 73, Iss 4, Pp 423-429 (2008)
Two new Schiff bases containing olefinic linkages have been synthesized by condensing aliphatic diamines with dicinnamoylmethane under specified conditions. The existence of these compounds predominantly in the intramolecularly hydrogen bonded keto-e
Externí odkaz:
https://doaj.org/article/262edaa357ff45e1a7b1f163597b9b2d
Publikováno v:
Journal of the Serbian Chemical Society, Vol 72, Iss 12, Pp 1229-1236 (2007)
Substituent effects on the IR stretching frequencies and 1H-NMR chemical shifts of the pyridone NH group in 4- and 6-disubstituted alkyl and aryl 3-cyano-2-pyridones were investigated. The bands most sensitive to substituent effects from the broad an
Externí odkaz:
https://doaj.org/article/4e5bd0353e0f441c9fc26d446ae5e3e9
Publikováno v:
Journal of the Serbian Chemical Society, Vol 72, Iss 11, Pp 1075-1084 (2007)
Phenylazo- and thiazolylazo-2,4-pentanediones on reaction with 2-aminophenol and 2-aminothiophenol yielded a new series of polydentate Schiff’s base ligands. The structure and tautomeric nature of these compounds and their metal complexes were esta
Externí odkaz:
https://doaj.org/article/f54cf897f3bd416aab8d3979f18fcffd
Publikováno v:
Journal of the Serbian Chemical Society, Vol 72, Iss 11, Pp 1075-1084 (2007)
Phenylazo- and thiazolylazo-2,4-pentanediones on reaction with 2-aminophenol and 2-aminothiophenol yielded a new series of polydentate Schiff’s base ligands. The structure and tautomeric nature of these compounds and their metal complexes were esta
Externí odkaz:
https://doaj.org/article/e0f2801c42d4420da1aec86528918b3e
Publikováno v:
Journal of the Serbian Chemical Society, Vol 72, Iss 12, Pp 1229-1236 (2007)
Substituent effects on the IR stretching frequencies and 1H-NMR chemical shifts of the pyridone NH group in 4- and 6-disubstituted alkyl and aryl 3-cyano- 2-pyridones were investigated. The bands most sensitive to substituent effects from the broad a
Externí odkaz:
https://doaj.org/article/254a1c227fb64afc8f482be0eee77d7d
Publikováno v:
BMC Research Notes
BMC Research Notes, Vol 14, Iss 1, Pp 1-7 (2021)
BMC Research Notes, Vol 14, Iss 1, Pp 1-7 (2021)
Objective Papaver decaisnei Hochst. & Steud. Ex Elkan and Papaver glaucum Boiss. & Hausskn. growing wild in Northern Iraq have been historically used for medicinal purposes. In this study, both species were evaluated for their alkaloid content and an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::58a6501b405ca2581022429444619d51
http://europepmc.org/articles/PMC8424945
http://europepmc.org/articles/PMC8424945
Publikováno v:
Chemical Industry and Chemical Engineering Quarterly, Vol 15, Iss 4, Pp 279-281 (2009)
Vanillin is most prominent as the principal flavor and aroma compound in vanilla. Vanillin has been used as a chemical intermediate in the production of pharmaceuticals and other fine chemicals.The two intermediates, assigned as intermediates I and I
Externí odkaz:
https://doaj.org/article/ce11b65307d744a39b88b93f0e429d2a