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On the synthesis of 4-alkoxy-2(5H)-furanones

✍ Scribed by Zimmer, Hans; Amer, Adel; Pham Chiem Van, ; Schmidt, Diane Grob

Book ID
126925191
Publisher
American Chemical Society
Year
1988
Tongue
English
Weight
419 KB
Volume
53
Category
Article
ISSN
0022-3263

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Convenient synthesis of 5-alkylidene-2(5
Convenient synthesis of 5-alkylidene-2(5H)-furanones,2(5H)-furanones and 2-ethoxyfurans
✍ R.W. Saalfrank; W. Hafner; J. Markmann; H.-J. Bestmann πŸ“‚ Article πŸ“… 1988 πŸ› Elsevier Science 🌐 French βš– 341 KB

Starting fro enolizing 1.2~diketones 1 and (2,2dlathoxyvinylidene)triphenylphosphorane (1) or from 2 and (2.2-dlethoxyvlnyl)triphewlphosphonlu tetrafluorohorate (a) the orthoesters 2 are prepared. 9 can be hydrolyzed under acldlc conditions to glve 5-alkylldene-2(SH)-furan%es lo. Reaction of 1,2-hyd