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Chemoselective synthesis of homoallylic fluorides from cyclopropylmethanols by ring opening

✍ Scribed by Shigekazu Kanemoto; Makoto Shimizu; Hirosuke Yoshioka


Book ID
104227440
Publisher
Elsevier Science
Year
1987
Tongue
French
Weight
225 KB
Volume
28
Category
Article
ISSN
0040-4039

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✦ Synopsis


Treatment of cyclopropylmethanols with pyridinium poly(hydrogen fluoride) in chlorobenzene-diisopropylamine in the presence of KHF2 gave selectively homoallylic fluorides. Certain synthons containing a fluorine atom at the homoallylic position are of great interest in the light of recent molecule designs,' since there have been a number of bioactive natural products that involve ethylvinyl structure unit(s),


πŸ“œ SIMILAR VOLUMES


Novel synthesis of monofluorocyclobutane
✍ Shigekazu Kanemoto; Makoto Shimizu; Hirosuke Yoshioka πŸ“‚ Article πŸ“… 1987 πŸ› Elsevier Science 🌐 French βš– 301 KB

Various new I-fluoro-1-alkyl(or aryl)-Z-substituted cyclobutanes were synthesized stereoselectively from I-alkyl(or aryl)cyclopropyl carbine& by the ring expansionfluorination using ('Pr)z-KHFZ-(HP), Py, and 2hydroxymethyl-l-fluorocyclobutanes