2000
DOI: 10.1002/(sici)1521-3897(200003)342:3<297::aid-prac297>3.0.co;2-x
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Eine neue, breit anwendbare Synthese für aromatische Aldehyde

Abstract: 297Aromatische Aldehyde spielen in der chemischen und pharmazeutischen Industrie eine wichtige Rolle als Zwischenprodukte mit besonders hohem Wertschöpfungspotential.Die unter C,C-Knüpfung verlaufende Synthese der verwandten aromatischen Ketone ist bekanntlich sehr einfach durch die bereits 1877 entdeckte Friedel-Crafts-Reaktion möglich. Die aufbauende Synthese aromatischer Aldehyde ist wesentlich problematischer, weil nur wenige stabile Ameisensäurederivate bekannt sind, die eine mit Carbonsäurechloriden verg… Show more

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Cited by 10 publications
(5 citation statements)
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“…In the presence of aluminium chloride, diformamide ( 6 ) reacts at 60−70 °C with aromatic compounds such as toluene, anisole, m ‐xylene, and veratrole to give N ‐(diarylmethyl)formamides 14 in good yields. Unfortunately, aromatic aldehydes are formed only as by‐products, and in low yields (up to 4%) 26 …”
Section: Formylation Reactions With Adducts Of Diformamide and Lewmentioning
confidence: 99%
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“…In the presence of aluminium chloride, diformamide ( 6 ) reacts at 60−70 °C with aromatic compounds such as toluene, anisole, m ‐xylene, and veratrole to give N ‐(diarylmethyl)formamides 14 in good yields. Unfortunately, aromatic aldehydes are formed only as by‐products, and in low yields (up to 4%) 26 …”
Section: Formylation Reactions With Adducts Of Diformamide and Lewmentioning
confidence: 99%
“…Chlorobenzene or carbon disulfide can also serve as solvents. Attempts to improve the yields of the aldehydes by changing the molar ratio of the reacting compounds or by using other Lewis acids [Yb(CF 3 SO 3 ) 3 , FeCl 3 , BF 3 , TiCl 4 , ZnCl 2 , SiCl 4 , SnCl 4 , POCl 3 ] or other solvents such as nitromethane, dichloromethane, diethyl ether, and cyclohexane were unsuccessful 26…”
Section: Formylation Reactions With Adducts Of Diformamide and Lewmentioning
confidence: 99%
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