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Silicon Lewis acids promote the addition of aldehydes to allylstannanes without transmetallation

โœ Scribed by Raymond Marshall; David J Young

Book ID
104224692
Publisher
Elsevier Science
Year
1992
Tongue
French
Weight
169 KB
Volume
33
Category
Article
ISSN
0040-4039

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๐Ÿ“œ SIMILAR VOLUMES

Lewis acid-promoted addition of methylen
Lewis acid-promoted addition of methylenecyclopropanes to aldehydes and ketones
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~