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Lewis acid-promoted addition of allyl(cyclopentadienyl)iron(II) dicarbonyl to unactivated ketones

โœ Scribed by Songchun Jiang; Edward Turos


Book ID
108381914
Publisher
Elsevier Science
Year
1991
Tongue
French
Weight
239 KB
Volume
32
Category
Article
ISSN
0040-4039

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Lewis acid-promoted addition of methylen
โœ Katsukiyo Miura; Mizuki Takasumi; Takeshi Hondo; Hiroshi Saito; Akira Hosomi ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 242 KB

In the presence of TiCi4, me~ylenecyclopropane (la) easily reacted with Jdln~u~tlc aldehydes to give the p-(chiorome~yl)allylate~ products 2 in good yields along with a small amount of the methylenetetrahydrofurans 3. The reacti~ with chiral a-and ~-alkoxy aldehydes lwoceeded with high levels of cl~