Use of allene in 1,3-dipolar addition to a carbonyl ylide: syntheses of 3-hydroxy-cis-nemorensic acid and nemorensic acid
作者:David M. Hodgson、Fr�d�ric Le Strat
DOI:10.1039/b316908a
日期:——
1,3-Dipolar addition of allene to the carbonyl ylide derived from 6-diazoheptane-2,5-dione is the key step in syntheses of 3-hydroxy-cis-nemorensic acid and nemorensic acid.
Concise, Stereoselective Syntheses of <i>cis</i>-Nemorensic Acid and 4-Hydroxy-<i>cis</i>-nemorensic Acid via Tandem Carbonyl Ylide Formation−Cycloaddition
作者:David M. Hodgson、Thomas D. Avery、Andrew C. Donohue
DOI:10.1021/ol025917c
日期:2002.5.1
[reaction: see text] 1,3-Dipolar cycloaddition of propargyl bromide with the carbonylylide derived from 6-diazoheptane-2,5-dione is the key step in concise syntheses of cis-nemorensic acid and 4-hydroxy-cis-nemorensic acid.