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Efficient preparation of allylic grignard reagents using slurries of precondensed magnesium

✍ Scribed by Wolfgang Oppolzer; Ernest Peter Kündig; Paul M. Bishop; Celia Perret


Publisher
Elsevier Science
Year
1982
Tongue
French
Weight
219 KB
Volume
23
Category
Article
ISSN
0040-4039

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✦ Synopsis


Using a simple apparatus addltlon of 2-alkenyl halldes to precondensed active Mg In THF gave clean solutions of 2-alkenylmagneslum halldes which on carbonation furnished 8,y-unsaturated carboxyllc acids In high yields.


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Preparation of Highly Functionalized Gri
✍ Laure Boymond; Mario Rottländer; Gérard Cahiez; Paul Knochel 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 107 KB 👁 2 views

At -40°C aryl iodides that contain other functional groups can be selectively converted into Grignard reagents, which react with electrophiles such as benzaldehyde in the usual manner [Eq. (a)]. Aryl bromides and iodides that are immobilized as esters on a Wang resin behave analogously.