## Abstract magnified image The __in situ__ prepared three component system [RhCl(COD)]~2~/imidazolidinium salts (**2, 4**) and KOBu^__t__^ catalyses the addition of phenylboronic acid to sterically hindered aldehydes affording the corresponding arylated secondary alcohols in good yields. Four nov
In situ Preparation of Rhodium/N-Heterocyclic Carbene Complexes and Use for Addition of Arylboronic Acids to Aldehydes.
✍ Scribed by Rafet Kilincarslan; Murat Yigit; Ismail Oezdemir; Engir Cetinkaya; Bekir Cetinkaya
- Publisher
- John Wiley and Sons
- Year
- 2007
- Weight
- 19 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0931-7597
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✦ Synopsis
Abstract
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📜 SIMILAR VOLUMES
The in situ prepared three component system Pd(OAc) 2 , 1,3-dialkylbenzimidazolium halides (1a-e) and t-BuOK catalyses quantitatively the Suzuki cross-coupling of deactivated aryl chloride substrates. 1,3-Dialkylbenzimidazolium salts (1a-e) were characterized by conventional spectroscopic methods an
## Abstract The Rh complex **1a** of (__S__,__S__)‐1‐(2‐diphenylphosphanylnaphthalen‐1‐yl)‐3‐(2‐isopropylphenyl)‐4,5‐diphenylimidazolidin‐2‐ylidene was found to promote enantioselective conjugate additions of arylboronic acids to enones and α,β‐unsaturated esters with up to 98% yield and>99% ee. Pr