FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W2009268432> ?p ?o ?g. }

• W2009268432 endingPage "3345" @default.
• W2009268432 startingPage "3336" @default.
• W2009268432 abstract "Die in situ durch Einwirkung von Acetanhydrid oder Dicyclohexylcarbodiimid auf die Phenyl(thiocarbonyloxy)essigsäuren 2a–e bereiteten mesoionischen 1,3-Oxathiolone 6 nehmen als cyclische Carbonyl-ylide in 2,5-Stellung Acetylendicarbonsäure-dimethylester unter Bildung nichtisolierbarer Primäraddukte vom Typ 7 auf. Letztere fragmentieren rasch unter Kohlenoxisulfid-Abspaltung in die Furancarbonester 8a–e (37–87%). Die entsprechenden in situ-Cycloadditionen von 6 an Propiolsäure-methylester, Phenylpropiolsäure-methylester, Acetylphenylacetylen bzw. Dibenzoylacetylen liefern die Furan-Abkömmlinge 8f–p (Tab. 1). Weiterhin bildet 2d in Ether mit Acetanhydrid und Perchlorsäure das neue isolierbare 1,3-Oxathiolyliumperchlorat 3, aus dem der mesoionische Aromat 6 mit Triethylamin in situ generiert wird; dieser reagiert in Gegenwart von Acetylendicarbonester zum bereits aus 2d erhaltenen Furan-Derivat 8d. Die Furan-Konstitutionen sind mit spektroskopischen Daten in Einklang. A New Furan Synthesis by Way of Thermal in situ Cycloaddition Reactions of New Mesoionic 1,3-Oxathiolones to Alkynes As cyclic carbonyl ylids the 1,3-oxathiolones 6, prepared in situ by treatment of the phenyl(thiocarbonyloxy)acetic acids 2a–e with acetic anhydride or dicyclohexylcarbodiimide, combine with dimethyl acetylenedicarboxylate across the 2,5-position with formation of non-isolable primary adducts of type 7. The latter quickly release carbon oxisulfide yielding the furandicarboxylic esters 8a–e (37–87%). The analogous in situ cycloaddition reactions of 6 with methyl propiolate, methyl phenylpropiolate, acetylphenylacetylene or dibenzoylacetylene yield the furan derivatives 8f–p, respectively (table 1). Furthermore, 2d forms in ether with acetic anhydride and perchloric acid the new isolable 1,3-oxathiolyliumperchlorate 3, from which the mesoionic arene 6 is generated in situ by treatment with triethylamine. In the presence of dimethyl acetylenedicarboxylate, 6 reacts with formation of the same furan derivative 8d previously obtained from 2d. The constitutions of the furan derivatives are in agreement with spectroscopic data." @default.
• W2009268432 created "2016-06-24" @default.
• W2009268432 creator A5000471645 @default.
• W2009268432 creator A5003659640 @default.
• W2009268432 creator A5079349870 @default.
• W2009268432 date "1978-10-01" @default.
• W2009268432 modified "2023-09-24" @default.
• W2009268432 title "Eine neue Furan‐Synthese durch thermische in situ‐Cycloadditionen neuer mesoionischer 1,3‐Oxathiolone an Alkin" @default.
• W2009268432 cites W1975750521 @default.
• W2009268432 cites W1998579888 @default.
• W2009268432 cites W2042020616 @default.
• W2009268432 cites W2050630017 @default.
• W2009268432 cites W2091737721 @default.
• W2009268432 cites W2091957387 @default.
• W2009268432 cites W2117947110 @default.
• W2009268432 cites W2145680889 @default.
• W2009268432 cites W981446611 @default.
• W2009268432 doi "https://doi.org/10.1002/cber.19781111007" @default.
• W2009268432 hasPublicationYear "1978" @default.
• W2009268432 type Work @default.
• W2009268432 sameAs 2009268432 @default.
• W2009268432 citedByCount "19" @default.
• W2009268432 countsByYear W20092684322019 @default.
• W2009268432 countsByYear W20092684322022 @default.
• W2009268432 crossrefType "journal-article" @default.
• W2009268432 hasAuthorship W2009268432A5000471645 @default.
• W2009268432 hasAuthorship W2009268432A5003659640 @default.
• W2009268432 hasAuthorship W2009268432A5079349870 @default.
• W2009268432 hasConcept C155647269 @default.
• W2009268432 hasConcept C161790260 @default.
• W2009268432 hasConcept C178790620 @default.
• W2009268432 hasConcept C185592680 @default.
• W2009268432 hasConcept C188027245 @default.
• W2009268432 hasConcept C2776673659 @default.
• W2009268432 hasConcept C2778659115 @default.
• W2009268432 hasConcept C2779664164 @default.
• W2009268432 hasConcept C2779854550 @default.
• W2009268432 hasConceptScore W2009268432C155647269 @default.
• W2009268432 hasConceptScore W2009268432C161790260 @default.
• W2009268432 hasConceptScore W2009268432C178790620 @default.
• W2009268432 hasConceptScore W2009268432C185592680 @default.
• W2009268432 hasConceptScore W2009268432C188027245 @default.
• W2009268432 hasConceptScore W2009268432C2776673659 @default.
• W2009268432 hasConceptScore W2009268432C2778659115 @default.
• W2009268432 hasConceptScore W2009268432C2779664164 @default.
• W2009268432 hasConceptScore W2009268432C2779854550 @default.
• W2009268432 hasIssue "10" @default.
• W2009268432 hasLocation W20092684321 @default.
• W2009268432 hasOpenAccess W2009268432 @default.
• W2009268432 hasPrimaryLocation W20092684321 @default.
• W2009268432 hasRelatedWork W1972189081 @default.
• W2009268432 hasRelatedWork W2027978541 @default.
• W2009268432 hasRelatedWork W2047643429 @default.
• W2009268432 hasRelatedWork W2048941221 @default.
• W2009268432 hasRelatedWork W2065742108 @default.
• W2009268432 hasRelatedWork W2066882010 @default.
• W2009268432 hasRelatedWork W2343958989 @default.
• W2009268432 hasRelatedWork W2404797827 @default.
• W2009268432 hasRelatedWork W2952527397 @default.
• W2009268432 hasRelatedWork W2952729759 @default.
• W2009268432 hasVolume "111" @default.
• W2009268432 isParatext "false" @default.
• W2009268432 isRetracted "false" @default.
• W2009268432 magId "2009268432" @default.
• W2009268432 workType "article" @default.