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Erratum to “New preparation of stereodefined α,β-unsaturated ketones by carbomagnesiation of α-allenyl ketones”: [Tetrahedron Lett. 43 (2002) 6009]

✍ Scribed by Nicka Chinkov; Natalia Morlender-Vais; Ilan Marek

Book ID
104252799
Publisher
Elsevier Science
Year
2003
Tongue
French
Weight
36 KB
Volume
44
Category
Article
ISSN
0040-4039

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New preparation of stereodefined α,α-uns
New preparation of stereodefined α,α-unsaturated ketones by carbomagnesiation of α-allenyl ketones
✍ Nicka Chinkov; Natalia Morlender-Vais; Ilan Marek 📂 Article 📅 2002 🏛 Elsevier Science 🌐 French ⚖ 57 KB

The addition of several alkylmagnesium halides to an a-allenyl ketone leads to the corresponding a,b-unsaturated ketones as single geometrical isomers. A p-chelation between the metal and the unsaturation is proposed to explain the steric outcome of this reaction.