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Synthesis of Enol Lactones of (E)-3-aroyl-2-(5-methyl-2-furylmethylene and 5-methyl-2-thienylmethylene)propionic acids and their con-conversion into the corresponding 4-arylbenzol[b](2-methylfuran and 2-methylthiophene)-s-carboxylic acids

✍ Scribed by Dr. Nadia R. Guirguis; Boshra M. Awad; Hanaa A. Saad

Book ID
105353695
Publisher
John Wiley and Sons
Year
1990
Tongue
English
Weight
303 KB
Volume
332
Category
Article
ISSN
1615-4150

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📜 SIMILAR VOLUMES

Synthesis of Enol Lactones of 3-aroyl-2-
Synthesis of Enol Lactones of 3-aroyl-2-(Thienylmethylene)-propionic Acids and their Conversion into the Corresponding 4-arylbenzo[b]thiophene-6-carboxylic Acids
✍ Guirguis, Nadia R. ;Awad, Boshra M. ;Saad, Hanaa A. 📂 Article 📅 1986 🏛 John Wiley and Sons 🌐 English ⚖ 555 KB

Heterocyclic aldehydes such as 2-thiophenecarbaldehyde (1) condense with 3-aroylpropionic acids 2 or their sodium salts to give the enol lactones 3a-d of 3-aroyl-2-(2-thienylmethy-1ene)propionic acids. Isomerization of 3 ad leads to the corresponding 4-arylbenzo[b]thiophene-6-carboxylic acids 4a-d.

Synthesis and Glycosidase Inhibitory Act
Synthesis and Glycosidase Inhibitory Activities of 5-(1′,4′-Dideoxy-1′,4′-imino-D-erythrosyl)-2-methyl-3-furoic Acid (=5-[(3S,4R)-3,4-Dihydroxypyrrolidin-2-yl]-2-methylfuran-3-carboxylic Acid) Derivatives: New Leads as Selective α-L-Fucosidase and β-Galactosidase Inhibitors
✍ Antonio J. Moreno-Vargas; Inmaculada Robina; Raynald Demange; Pierre Vogel 📂 Article 📅 2003 🏛 John Wiley and Sons 🌐 German ⚖ 217 KB 👁 1 views

## Abstract The __García‐González__ reaction of D‐glucose and ethyl acetoacetate generated ethyl 5‐[(1′__S__)‐D‐erythrosyl]‐2‐methyl‐3‐furoate (**5**), which was converted to ethyl 5‐[(1′__R__)‐1′,4′‐dideoxy‐1′,4′‐imino‐D‐erythrosyl]‐2‐methyl‐3‐furoate (**3c**) and to ethyl 5‐[(1′__S__)‐1′,4′‐dideo