✦ LIBER ✦

Origin of Facial Diastereoselection. Evidence for Negative Role of Antiperiplanar Hyperconjugation Effects in the Transition State of Carbene Insertion

✍ Scribed by Kaneno, Daisuke; Tomoda, Shuji

Book ID: 127179611
Publisher: American Chemical Society
Year: 2003
Tongue: English
Weight: 88 KB
Volume: 5
Category: Article
ISSN: 1523-7060
DOI: 10.1021/ol035073c

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Substituent and solvent effects on the n

Substituent and solvent effects on the n → π* (′U ← ′A) transition in aliphatic carbonyl derivatives: evidence for hyperconjugation in the excited states of molecules

✍ C.N.R. Rao; J. Ramachandran; G.K. Goldman 📂 Article 📅 1960 🏛 Elsevier Science 🌐 French ⚖ 134 KB

Solvent Effects in the Regio- and Diaste

Solvent Effects in the Regio- and Diastereoselective Epoxidations of Acyclic Allylic Alcohols by Dimethyldioxirane: Hydrogen Bonding as Evidence for a Dipolar Transition State

✍ Adam, Waldemar; Smerz, Alexander K. 📂 Article 📅 1996 🏛 American Chemical Society 🌐 English ⚖ 153 KB

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

On the origin of π-facial diastereoselec

On the origin of π-facial diastereoselectivity in nucleophilic additions to chiral carbonyl compounds 4. Calculated transition state structures for the addition of nucleophiles to 2-methoxypropanal and 2-N,N-dimethyl-aminopropanal.

✍ G. Frenking; K.F. Köhler; M.T. Reetz 📂 Article 📅 1993 🏛 Elsevier Science 🌐 French ⚖ 520 KB