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Directing Effect of a Neighboring Aromatic Group in the Cyclopropanation of Allylic Alcohols

โœ Scribed by Cossy, Janine; Blanchard, Nicolas; Meyer, Christophe

Book ID
126402286
Publisher
American Chemical Society
Year
1998
Tongue
English
Weight
38 KB
Volume
63
Category
Article
ISSN
0022-3263

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๐Ÿ“œ SIMILAR VOLUMES

ChemInform Abstract: Directing Effect of
ChemInform Abstract: Directing Effect of a Neighboring Aromatic Group in the Cyclopropanation of Allylic Alcohols.
โœ J. COSSY; N. BLANCHARD; C. MEYER ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› John Wiley and Sons โš– 33 KB ๐Ÿ‘ 2 views

Directing Effect of a Neighboring Aromatic Group in the Cyclopropanation of Allylic Alcohols. -Various racemic allylic alcohols are stereoselectively transformed to cyclopropanes with I-CH 2 -Cl in the presence of either zinc or samarium reagent. Alcohols bearing an aryl group at the stereocenter a

Cyclopropane as a neighboring group in t
Cyclopropane as a neighboring group in trifluoroethanolysis of 2-cyclopropylethyl tosylate
โœ I.M. Takakis; Yorke E. Rhodes ๐Ÿ“‚ Article ๐Ÿ“… 1978 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 268 KB

The propensity of cyclopropane to stabilize remote incipient carbocationic centers has been dmmstrated in the solvolyses of gecmetrically constrained substrates'. In contrast, cyclopropane-cation interaction (kAcc H 3 5) is weak cmpared to nucleophilic solvent assistance