1960
DOI: 10.1002/ange.19600721602
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Neuere präparative Methoden der organischen Chemie III. Synthesen unter Verwendung von Diazoketonen

Abstract: Diese Zusarnrnenfassung, bei der auch eigene, bisher unpublizierte Arbeiten berucksichtigt werden, fuhrt von den Aliphaten uber die Kohlenhydrate und Peptide zu isocyclischen und heterocyclischen Verbindungen. Die Vielfalt der behandelten Stoffe zeigt die groOe Anwendungsbreite der Diazoketone als Hilfsmittel fur Synthesen. Die auBerordentliche Reaktionsfreudigkeit der a-Diazo-carbonyl-Verbindungen l a O t noch viele Bereicherungen der praparativen, wie auch der theoretischen organischen Chernie erwarten. A. E… Show more

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Cited by 73 publications
(5 citation statements)
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“…We tried to react the sulfonium or arsonium ylide with phenyl aldehyde in refluxing toluene for Under the same reaction conditions, treatment of triphenylphosphine with 1 did not isolate the expected phosphonium ylide, but another product hydrazone 4 was formed almost in quantitative ylide (Scheme 4). The product hydrazone 4 should come from the intermediary phosphazine [7,8]. Its 1 H NMR spectrum shows two different chemical shifts at 11.47 and 8.46 ppm for the two NH protons.…”
Section: Resultsmentioning
confidence: 98%
“…We tried to react the sulfonium or arsonium ylide with phenyl aldehyde in refluxing toluene for Under the same reaction conditions, treatment of triphenylphosphine with 1 did not isolate the expected phosphonium ylide, but another product hydrazone 4 was formed almost in quantitative ylide (Scheme 4). The product hydrazone 4 should come from the intermediary phosphazine [7,8]. Its 1 H NMR spectrum shows two different chemical shifts at 11.47 and 8.46 ppm for the two NH protons.…”
Section: Resultsmentioning
confidence: 98%
“…C15H,,N02 (245,33) Calcd. : C 73, 4 H 7,82 N 5,7 Found: C 73,2 H 7,68 N 5,6. (-)2c: 38 g enriched (-)2c and 61,l g brucine were dissolved in 40 mi boiling absol. MeOH and 20 ml absol.…”
Section: Methyl 4-butyl-4-cyano-4-phenyl-butyrate and Acid 2cmentioning
confidence: 99%
“…C15H,9N0, (245,33) Calcd. : c 73,4 H 7,82 N 5,7 Found: C 73,7 H 7,94 N 5,6. = +15,2" (c = 1,103; MeOH).…”
Section: Methyl 4-butyl-4-cyano-4-phenyl-butyrate and Acid 2cunclassified
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