SmI2-promoted conjugate reduction of α,β-unsaturated esters and ketones studied in comparison with Mukaiyama-Michael reaction of ketene silyl acetal
✍ Scribed by Yukihiro Fujita; Shunichi Fukuzumi; Junzo Otera
- Publisher
- Elsevier Science
- Year
- 1997
- Tongue
- French
- Weight
- 155 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0040-4039
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✦ Synopsis
SmI2-promoted conjugate reduction of ~-unsaturated esters and ketones txoceeds in a manner quite similar to Mukaiyama-Michael reaction of ketene silyl acetal. The more substituted
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## Abstract For Abstract see ChemInform Abstract in Full Text.
Diverse Cycloaddition Chemistry Leading to Overall Michael Addition in the Reactions of 1,1-Bis(dimethylamino)-2,2-difluoroethene with α,β-Unsaturated Aldehydes, Ketones, Esters, and Nitriles. -The freshly prepared difluoro ketene aminal (I) reacts with α,β-unsaturated aldehydes or ketones via [4 +