Zobrazeno 1 - 10
of 115
pro vyhledávání: '"Duff Reaction"'
Autor:
Erik Ortiz-Blanco, Maritza Mendoza-de la Cruz, Ricardo Tovar-Miranda, Gabriela Alejandra Sosa-Ortiz, Tomás Guerrero
Publikováno v:
Results in Chemistry, Vol 5, Iss , Pp 100932- (2023)
The formylation of aromatic substrates is an important reaction in organic chemistry. Indeed, several protocols have been published to afford aromatic aldehydes, which are important precursors in materials and medicinal chemistry. One useful, neverth
Externí odkaz:
https://doaj.org/article/a913b37b63b24292862cc64466ab5c0c
Publikováno v:
Molecules, Vol 26, Iss 24, p 7482 (2021)
More efficient and preferably more convenient and greener synthetic solutions in coumarin scaffold functionalization are in steady demand. The Duff ortho-formylation of unsubstituted umbelliferone was revised in this study. The reaction conditions we
Externí odkaz:
https://doaj.org/article/0b47a2eb722e41e6b7835a30443189a0
Akademický článek
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Publikováno v:
Journal of the Turkish Chemical Society, Section A: Chemistry, Vol 7, Iss 1, Pp 87-96 (2020)
Volume: 7, Issue: 1 87-96
Journal of the Turkish Chemical Society Section A: Chemistry
Volume: 7, Issue: 1 87-96
Journal of the Turkish Chemical Society Section A: Chemistry
In this study, numerous coumarin compounds were synthesized by Pechmann and Knoevenagel methods, and the substitution of the formyl group was provided by the Duff reaction. The FTIR spectra and melting points of the synthesized compounds were compare
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::97f83f2227de61c04839b2bac5ea4b02
https://dergipark.org.tr/en/pub/jotcsa/issue/49279/624265
https://dergipark.org.tr/en/pub/jotcsa/issue/49279/624265
Publikováno v:
Organic Process Research & Development. 25:1022-1027
We reported herein an efficient and practical method to access 1,7′-dimethyl-2′-propyl-2,5′-bi(1H-benzimidazole) 1, a key intermediate for the synthesis of telmisartan. The synthetic route was base...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::95de8bf808d7e97ea1660cc145036a40
https://doi.org/10.1021/acs.oprd.1c00025
https://doi.org/10.1021/acs.oprd.1c00025
Akademický článek
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Akademický článek
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Publikováno v:
Chemistry of Natural Compounds. 56:420-422
7-Hydroxy-8-methyl-4'-methoxy-6-formylisoflavone was synthesized from the 6-aminomethyl derivative of 7-hydroxychromone under modified Duff reaction conditions and underwent heterocyclization to form linear furo- and pyranochromones.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dce29336e88d8fa9b720744910261e18
https://doi.org/10.1007/s10600-020-03052-9
https://doi.org/10.1007/s10600-020-03052-9
Publikováno v:
Chemistry of Natural Compounds. 54:1064-1067
Furo[2,3-h]chromone and pyrano[2′,3′:5,6]chromeno[4,3-b]pyridine derivatives were synthesized from 7-hydroxy-8-formylisoflavones, which were prepared from natural isoflavones using a Duff reaction, via reactions with bromoacetophenones and ethyl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1ce14a6e04b0a7fd28a17587932d28a4
https://doi.org/10.1007/s10600-018-2556-z
https://doi.org/10.1007/s10600-018-2556-z
Publikováno v:
Natural Product Research. 33:1897-1902
The first direct synthesis of 3-N-methyl-9-formylcytisine via electrophylic formylation is described. It is established, that Vilsmeier-Haack and Gatterman variants of this reaction are unsuccessfu...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::06351fc15f93809a4aa31d78ea7615ff
https://doi.org/10.1080/14786419.2018.1478832
https://doi.org/10.1080/14786419.2018.1478832