Catalytic Asymmetric [2,3]-Sigmatropic Rearrangement of Sulfur Ylides Generated from Copper(I) Carbenoids and Allyl Sulfides
โ Scribed by Zhang, Xiaomei; Qu, Zhaohui; Ma, Zhihua; Shi, Weifeng; Jin, Xianglin; Wang, Jianbo
- Book ID
- 126223246
- Publisher
- American Chemical Society
- Year
- 2002
- Tongue
- English
- Weight
- 79 KB
- Volume
- 67
- Category
- Article
- ISSN
- 0022-3263
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๐ SIMILAR VOLUMES
Catalytic asymmetric [2,3] sigmatropic rearrangement of sulfur ylides generated from aryldiazoacetates and propargyl sulfides with a number of chiral Rh(II) and Cu(I) catalysts have been investigated and moderately high enantioselectivities (up to 81% ee) have been achieved.
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
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