期刊
ORGANIC & BIOMOLECULAR CHEMISTRY
卷 3, 期 8, 页码 1365-1368出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b500713e
关键词
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The title reagent engaged in the modified Julia olefination with aldehydes under mild reaction conditions (DBU, CH2Cl2, rt or -78 degrees C) to yield alpha,beta-unsaturated esters; aryl aldehydes and aliphatic aldehydes possessing significant chain branching elements gave trans alkene products with high stereoselectivity (E : Z up to >98 : 2), while straight chain aliphatic aldehydes gave cis products preferentially (Z : E up to 92 : 8).
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