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Understanding the π-facial diastereoselectivity in the addition of chiral diaminophosphino(silyl)carbenes to activated olefins

✍ Scribed by Ona Illa; Xavier Bagan; Antoine Baceiredo; Vicenç Branchadell; Rosa M. Ortuño

Book ID
108284398
Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
324 KB
Volume
19
Category
Article
ISSN
0957-4166

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📜 SIMILAR VOLUMES

On the origin of π-facial diastereoselec
On the origin of π-facial diastereoselectivity in nucleophilic additions to chiral carbonyl compounds. 1. Rotational profiles of propionaldehyde 1, chloroacetaldehyde 2, and 2-chloropropionaldehyde 3.
✍ G Frenking; K.F Köhler; M.T Reetz 📂 Article 📅 1991 🏛 Elsevier Science 🌐 French ⚖ 757 KB

## SummarV : The conformational profiles for rotation around the C-C(=O) bond a and the energy minimum conformations are calculated for propionaldehyde 1, chloroacetaldehyde 2, MP2/6-3lG(d)//HF/6\_3lG(d). and 2-chloropropionaldehyde 3 at a function of a for 1, 2, The energy level of the LUMO is ca

On the origin of π-facial diastereoselec
On the origin of π-facial diastereoselectivity in nucleophilic additions to chiral carbonyl compounds. 2. Calculated transition state structures for the addition of nucleophiles to propionaldehyde 1, chloroacetyldehyde 2, and 2-chloropropionaldehyde 3.
✍ G Frenking; K.F Köhler; M.T Reetz 📂 Article 📅 1991 🏛 Elsevier Science 🌐 French ⚖ 773 KB

Summarv : The transition state structures for addition of LiH to 1, 2, and 3 are computed and analyzed at MP2/6-3lG(d)//HF/6\_3lG(d). Three factors are found to be important for the relative energies of the transition state structures: (i) the conformational energy of the aldehyde; (ii) the interac