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A facile synthesis of various butenolides
Date
2000-01-01
Author
Tanyeli, Cihangir
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The synthesis of alpha'-acyloxy-alpha,beta-unsaturated cyclic ketones from the corresponding alpha,beta-unsaturated cyclic ketones by using manganese (III) acetate in combination with 2-chloropropionic acid followed by subsequent Arbuzov and intramolecular Horner-Emmons cyclization reactions provided a convenient synthetic pathway to various butenolides 4a-d.
Subject Keywords
Organic Chemistry
URI
https://hdl.handle.net/11511/39406
Journal
SYNTHETIC COMMUNICATIONS
DOI
https://doi.org/10.1080/00397910008087436
Collections
Department of Chemistry, Article
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Short simple synthesis of alkenoic acid esters and their intramolecular cyclization products, 2H-Pyran-2-ones from enolates of carbonyl compounds and enaminoesters are described.
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Kayalar, Metin; Demir, Ayhan Sıtkı; Department of Chemistry (2005)
A convenient and new method for the synthesis of 1,2,3,5-tetrasubstituted pyrrole derivatives starting from 1,3,-dicarbonyl compounds through acid catalyzed cyclization reaction is described. Alkylation of 1,3-dicarbonyl compound with propargyl bromide followed by one step cyclization with the introduction of primary amines in the presence of catalytic amount of triflouroacetic acid (TFA) affords the corresponding pyrrole derivatives in high yields. The investigations on the studies of developing a new meth...
THE ALPHA'-OXIDATION OF ALPHA-ALKOXY ENONES USING MANGANESE(III) ACETATE IN COMBINATION WITH CARBOXYLIC-ACIDS
Demir, Ayhan Sıtkı; SAATCIOGLU, A (Informa UK Limited, 1993-01-01)
The alpha'-oxidation of cyclic derivatives of alpha-alkoxy-alpha,beta-unsaturated ketones using manganese(III)acetate in the presence of various carboxylic acids provided a convenient synthesis of 5-acyloxy-2-alkoxy-2-cyclopentenones and 6-acyloxy-2-alkoxy-2-cyclohexenones.
OXIDATION OF ARYL ALKYL KETONES TO ALPHA-ACYLOXY, ALPHA-(CAMPHORSULFONYLOXY), OR ALPHA-HYDROXY DERIVATIVES USING MANGANESE(III) ACETATE IN COMBINATION WITH CARBOXYLIC-ACIDS OR (1S)-(+)-10-CAMPHORSULFONIC ACID
DEMIR, AS; CAMKERTEN, N; AKGUN, H; Tanyeli, Cihangir; MAHASNEH, AS; WATT, DS (Informa UK Limited, 1990-01-01)
The α-oxidation of aryl alkyl ketones using manganese(III) acetate in the presence of various carboxylic acids and (1S)-(+)-10-camphorsulfonic acid provided a convenient synthesis of α-acyloxy, α-(10-camphorsulfonyloxy), and α-hydroxy derivatives in good yield.
A new and short synthesis of 7H-benzo[a]cyclohepten-7-one and some derivatives: Oxidation of 7-bromo-5H-benzo[a]cycloheptene
Dastan, A; Yildiz, YK; Balcı, Metin (Informa UK Limited, 2001-01-01)
Oxidation of 7-bromo-5H-benzo[a]cycloheptene with some oxidation reagents has been studied. Several 2,3- and 4,5-benzotropone derivatives has been obtained. The structures of the products were determined by H-1-, (CNMR)-C-13 data and chemical transformation.
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C. Tanyeli, “A facile synthesis of various butenolides,”
SYNTHETIC COMMUNICATIONS
, pp. 2855–2862, 2000, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/39406.