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New Anellation Reactions of Pyranose Derivatives

โœ Scribed by Methling, Karen; Aldinger, Stephan; Peseke, Klaus; Michalik, Manfred


Book ID
120577102
Publisher
Taylor and Francis Group
Year
1999
Tongue
English
Weight
464 KB
Volume
18
Category
Article
ISSN
0732-8303

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Anellation Reactions of Pyranose Derivat
โœ Peseke, Klaus ;Thiele, Gabriela ;Michalik, Manfred ;Powell, Douglas R. ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 399 KB

## Abstract The โ€œpushโ€pullโ€โ€activated pyranosidulose 1 reacts with acetylacetone and ethyl acetoacetate to give the methyl pyranoโ€[2โ€ฒ,3โ€ฒ:7,8]pyrano[3,2โ€D][1,3]dioxinโ€9โ€yl ketone 2a and the pyrano[2โ€ฒ,3โ€ฒ:7,8]pyrano[3,2โ€D][1,3]dioxineโ€9โ€carboxylate 2b. Treatment of 1 with 1,3โ€cyclohexanediones leads t