Rearrangement 115 3.4.6 Some Clever Variants of the Claisen Rearrangement 129 3.5 [5,5] Sigmatropic Shift 132 3.5.1 Solved Problems 133 3.6 [2,3] Sigmatropic Rearrangements 136 3.6.1 Solved Problems 137 3.7 Peripatetic Cyclopropane Bridge: Walk Rearrangements 139 3.7.1 Solved Problem 141 3.8 Sig...
A. (2002), New [2,3]-Sigmatropic Rearrangement of Allylsulfinylcarbanions. ChemInform, 33: 28. doi: 10.1002/chin.200247028 Author Information Natl. Tech. Univ., Kiev 254074, Ukraine Publication History Issue published online: 18 MAY 2010 Article first published online: 18 MAY 2010...
Sequential [3,3]Sigmatropic Rearrangement: Regioselective Synthesis of Dimedone‐Annulated Heterocyclesthiopyran derivativesrearrangementsring closure reactionsChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ...
> 待分类 > 硫叶立德【2,3]-σ重排反应迁移基团活性研究 Studies on the Reactivity of Migrating Group in [2,3]-Sigmatropic Rearrangement of Sulfur Ylides 下载文档 收藏 打印 转格式 264阅读文档大小:449.6K5页wangzhidaoc上传于2015-05-03格式:PDF...
ChemInform Abstract: EPIMERIZATION OF BICYCLIC VINYL TERTIARY-ALCOHOLS VIA (2,3) SIGMATROPIC REARRANGEMENTbridged compoundsNo abstract is available for this article.doi:10.1002/chin.198524157W. L. BROWNA. G. FALLISWILEY‐VCH Verlag GmbHChemischer Informationsdienst...
[2,3]-sigmatropic rearrangement of a sulfonium ylide generated from a metal carbene and sulfide (Doyle–Kirmse reaction) has been developed using chiral Rh(II) and Cu(I) catalysts. This transformation features mild reaction conditions and excellent enantioselectivities (up to 98% yield and 98% ...
高等有机化学：9.4 迁移反应(Sigmatropic Reactions)
C,Chattopadhyay B.Regioselective Synthesis of Coumarin-An- nulated Polyheterocycles by [3, 3] Sigmatropic Rearrangement.. Synthetic Communications . 2006K. C. Majumdar,A. Biswas,P. P. Mukhopadhyay.Carbon-carbon bond formationby radical cyclisation: Regioselective synthesis of coumarin-annulated sulfur...
Au(I)-cat tandem [3,3]-sigmatropic rearrangement-cycloisomerization cascade to spirocyclic furansChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF....
Ionic equilibria provide the mechanism for exchange for the more electropositive of these elements, but allylboron,-silicon, -sulfur and -mercury compounds appear to undergo rearrangement byconcerted unimolecular and bimolecular processes, While d-orbital int...