ChemInform Abstract: Catalytic Asymmetric Allylation of Aliphatic Aldehydes by Chiral Bipyridine N,N′-Dioxides.
✍ Scribed by Radim Hrdina; Thomas Boyd; Irena Valterova; Jana Hodacova; Martin Kotora
- Publisher
- John Wiley and Sons
- Year
- 2009
- Weight
- 27 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0931-7597
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
📜 SIMILAR VOLUMES
## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v
## Abstract Asymmetric allylation of aromatic (I) and α,β‐unsaturated aldehydes (IV) with allyltrichlorosilane (II) proceeds smoothly in THF in the presence of (S~ax~)‐bis(tetrahydroisoquinoline N‐oxide) to give the products (III) and (V) in good yields and moderate to high enantioselectivity.
## Abstract magnified image Unsymmetrically 3,3′‐substituted axially chiral bis(tetrahydroisoquinoline) __N,N′‐__dioxides can be prepared in just three steps. They exhibit unique catalytic activity (turnover frequency, enantioselectivity, substrate scope) in the asymmetric allylation of aromatic a
## Abstract Palladium‐catalyzed cross‐coupling of bipyridine __N,N′__‐dioxide 6,6′‐dichloride (__R__~__nap__~__,R__~__pyr__~)‐**1** with the aryl Grignard reagents opened a new approach to axially chiral bipyridine __N,N′‐__dioxides (__R__)‐**2** bearing a variety of aryl groups at the 6 and 6′ pos