Sherman, David H.; Houk, K. N.; Montgomery, John; Podust, Larissa M.; Li, Zhe; Furan, Lawrence R.; Yun-Fang Yang; Ramabhadran, ... Furan, Lawrence R.; Li, Zhe; Podust, Larissa M. (2015). "Enzymatic hydroxylation of an unactivated methylene C-H bond guided by ...
Furan, Amy (2006). "Dream Jobs: Zamboni Driver". Archived from the original on July 5, 2006. Retrieved April 3, 2007 - via ...
2-METHYL-FURAN". Archived from the original on 2016-11-18. Retrieved 2008-08-26. "2-methyl furan". The Good Scents Company. ...
... is a natural terpenoid that consists of a furan ring with a six-carbon side chain containing a ketone functional ... Perilla: Botany, Uses and Genetic Resources Matsuura, Teruo (1957). "Natural furan derivatives. I. The synthesis of perilla ...
These noxious fumes include dioxins and furans. Bonfire refuse can be disposed of quickly into drainage ditches or waterways ... dioxins and furans into the environment. Researchers such as Brett Robinson, a professor of soil and physical sciences at ... dioxin and furans. Workers in formal industry are also exposed to more brominated flame-retardants than reference groups. For ...
... s are intermediates in the Feist-Benary synthesis of furans from α-halogen ketones and β-dicarbonyl compounds. ... Wilson, Christopher L. (December 1947). "Reactions of Furan Compounds. VII. Thermal Interconversion of 2,3-Dihydrofuran and ...
Wilson, C. L.; Borchert, A. E. (1947). "Reactions of Furan Compounds. VII. Thermal Interconversionof 2,3-Dihydrofuran and ...
Ramonczai, J.; L. Vargha (June 1950). "Studies of furan compounds. III. A new synthesis of furyl ketones". Journal of the ...
Furan, an oxygen analog. Thiophene, a sulfur analog. Simple aromatic rings Varsol, a petroleum distillate with a boiling range ...
... dioxins and furans; the strengthening of technical capacities of personnel and equipment in the inspection and surveillance ...
"Palladium-catalyzed asymmetric hydrogenation of furan carboxylic acids". Journal of Catalysis. 219 (1): 52-58. doi:10.1016/ ... "Enantioselective homogeneous hydrogenation of monosubstituted pyridines and furans". Monatshefte für Chemie. 131 (12): 1335- ...
It lies on the right bank of the river Loire, at its confluence with the river Furan, 13 km north of the city of Saint-Étienne ... "Fiche cours d'eau - Furan (K0614000)". Population en historique depuis 1968, INSEE Wikimedia Commons has media related to ...
Fu, Ran (10 February 2016). "2018 U.S. Utility-Scale PhotovoltaicsPlus-Energy Storage System Costs Benchmark" (PDF). NREL. ...
Furan /yahil Sisiak 03. Korong / Opi 04. Kamba / Kuris 05. Siar / Wadan 06. Riwo / Nagada 07. Amron / Baitabag 08. Budad Haven ...
These are the furan ring, the ketone group and the alcohol group. The furan ring is aromatic according to Hückel's rule, so the ... It consists of a furan ring, which is substituted at the third carbon of the furan ring with a pentanone containing a hydroxyl ... Furan is heterocyclic, which means that it is cyclic, but one or more of the ring atoms is not a carbon atom. In the case of ... A furan ring is a five-membered aromatic ring consisting of one oxygen atom and four carbon atoms; a pentanone is a ketone ...
Hofmann, K. Furan and Tetrahydrofuran Derivatives. VI The Total Synthesis of dl-Oxybiotin J. Am. Chem. Soc. 67 1459-1462 1945. ... Hofmann, K., Chen, C., Bridgwater, A. and Axelrod, A. E. Furan and Tetrahydrofuran Derivatives VII. The Synthesis and ...
A. F. Shepard; Winslow, N. R.; Johnson, John R. (1930). "The simple halogen derivatives of furan". J. Am. Chem. Soc. 52 (9): ... 3-Bromofuran is a useful starting material for 3-substituted furans, a structural motif widespread in chemotherapy agents, HIV ... doi:10.1016/s0040-4020(96)00069-5. Guenter Fechtel, "Preparation of furan and cyclopentadiene derivatives as biocides and drug ... Olfactory properties and convenient synthesis of furans and thiophenes related to rosefuran and perillene and their isomers". ...
Substituted furans are reduced to tetrahydrofuran derivatives in high yield. A synthesis of (+)-estrone relies on selective ...
Dehydration of the hemiacetal gives the resultant furan. The mechanism of the Paal-Knorr furan synthesis was elucidated in 1995 ... reported a synthesis of a macrocycle containing fused furan rings using a Paal-Knorr furan synthesis. Refluxing para-toluene ... Campaigne and Foye showed that treatment of isolated furans from the Paal-Knorr furan synthesis with phosphorus pentasulfide ... 4-diketones to their respective furans to achieve the challenging macrocyclic fused furans. Hantzsch pyrrole synthesis Knorr ...
1,4-Diketones are also precursor to furans and thiophenes. The condensation of 1,4-diketones (and related substrates) with ... Succinaldehyde hydrates readily to give 2,5-dihydroxy-tetrahydro-furan. The aromatic phthalaldehyde also forms hydrated. ...
Franz Feist (1902). "Studien in der Furan- und Pyrrol-Gruppe". Chemische Berichte. 35 (2): 1537-1544. doi:10.1002/cber. ... Feist-Benary synthesis is an organic reaction between α-halo ketones and β-dicarbonyl compounds to produce substituted furan ...
Included are pyridine, thiophene, pyrrole, and furan. Another large class of organic heterocycles refers to those fused to ... For example, the fused benzene derivatives of pyridine, thiophene, pyrrole, and furan are quinoline, benzothiophene, indole, ... Some noteworthy developments: 1818: Brugnatelli makes alloxan from uric acid 1832: Dobereiner produces furfural (a furan) by ...
... as well as cyclic furan tetramers (tetraoxaquterenes). If the number of furan moieties in the oligomer is denoted as n, the ... Furan and ketones react under the action of acidic catalysts yielding difuryl condensation products, higher oligomers, ... 2,2-Di-2-furylpropane is a condensation product of furan and acetone. It is a relatively high boiling liquid (boiling point: 85 ... However, the amount of oligomer is effected by reaction conditions, including the furan to acetone ratio and the amount of ...
... s are flavonoids possessing a furan group. An example of such a compound is karanjin, a furanoflavonol. Yadav, P ...
It is a minor constituent of the aroma of the rose (Rosa damascene). Rosefuran is a 2,3-disubstituted furan (3-methyl-2-(3- ... The intermediate ketoaldehyde is cyclized to a furan derivative which is converted to rosefuran in 33% overall yield via ... Olfactory properties and convenient synthesis of furans and thiophenes related to rosefuran and perillene and their isomers". ... Alternatively, rosefuran has been prepared from other furan derivatives. Thus, Wittig reaction of 3-methyl-2-furanacetaldehyde ...
It is formally a derivative of furan. It is a white or colorless solid that is soluble in water and organic solvents. Although ... 5-Dimethyl-4-hydroxy-2H-furan-3-one and its derivatives: analysis, synthesis and biosynthesis - a review". Food Chemistry. 65: ...
They consist of coumarin annulated with furan. It can also be injected and used topically. In 1947, methoxsalen was isolated ( ...
Furan, an analog without the nitrogen atom. Oxazoline, which has one double bond reduced. Oxazolidine, which has both double ...
It is also used in the Feist-Benary synthesis of furans. Reaction of phenoxide with chloroacetone gives phenoxyacetone, which ...
... dioxins and furans. These chemicals originated through a small stream retrieving water from a landfill. In 1970 concerned ...