Ru(salen)-catalyzed asymmetric sulfimidation and subsequent [2,3]sigmatropic rearrangement
โ Scribed by Masakazu Murakami; Tatsuya Uchida; Bunnai Saito; Tsutomu Katsuki
- Publisher
- John Wiley and Sons
- Year
- 2003
- Tongue
- English
- Weight
- 135 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0899-0042
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๐ SIMILAR VOLUMES
Asymmetric C N bond formation was achieved in a highly enantioselective manner by using (OC)Ru(salen)-catalyzed sulfimidation and the subsequent [2,3]sigmatropic rearrangement: treatment of allyl aryl sulfides with p-toluenesulfonyl azide in the presence of a catalytic amount of (OC)Ru(salen) follow
Reaction of allyl aryl sulfides and a-diazoacetic acid esters in the presence of optically active Co(HD-salen complex (8-Br) provided 3-substituted 2-arylthio-4-pentenoic acid esters stereo~l~vely by way of enantioselcctive S-ylide formation and subse~luent diastereoselective [2,3]sismalropic rearra