Synthesis of a protonated C2-symmetric N,N-chiral “proton sponge”
✍ Scribed by Jonathan P.H. Charmant; Guy C. Lloyd-Jones; Torren M. Peakman; Robert L. Woodward
- Book ID
- 108386840
- Publisher
- Elsevier Science
- Year
- 1998
- Tongue
- French
- Weight
- 256 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
1,8-Bis(N-benzyl-N-methylamino)naphthalene ( 2) and its hy-the free base 2 is 0.6 (± 0.07) kcal•mol -1 less stable than the dl form (∆H°= -0.64 (±0.03) kcal•mol -1 ; ∆S°= -0.18 (±0.13) drogen iodide salt [2H] + [I] -were synthesised from 1,8-diaminonaphthalene. The thermodynamic diastereomer ratios
An enantioselective synthesis of C 2 -symmetric bis-homoallylic aromatic and heteroaromatic diamines in 54-89% yields, in 73-94% de and P98% ee has been achieved via the allylboration of the corresponding N,N 0 -bis(trimethylsilyl)dialdimines and N,N 0 -bis(diisobutylalumino)dialdimines with B-allyl