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Co(III)-salen catalyzed carbenoid reaction: Stereoselective [2,3]sigmatropic rearrangement of S-ylides derived from allyl aryl sulfides

โœ Scribed by Tsutomu Fukuda; Tsutomu Katsuki


Publisher
Elsevier Science
Year
1997
Tongue
French
Weight
224 KB
Volume
38
Category
Article
ISSN
0040-4039

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โœฆ Synopsis


Allyi aryl sulfides and diazoacetic acid esters react in the presence of optically active Co(lll)salen complex (4) with good enantioselectivity, to give the [2,31sigmatropic rearrangement products, 2arylthio-3-aryl-4-pentenoic acid esters, via the corresponding S-ylides.


๐Ÿ“œ SIMILAR VOLUMES


Catalytic and asymmetric [2,3]sigmatropi
โœ Tsutomu Fukuda; Ryo Irie; Tsutomu Katsuki ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 998 KB

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