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149. Tropolones. Part II. The synthesis of α-, β-, and γ-thujaplicins

✍ Scribed by Cook, J. W. ;Raphael, R. A. ;Scott, A. I.


Book ID
120334563
Publisher
The Royal Society of Chemistry
Year
1951
Weight
409 KB
Volume
0
Category
Article
ISSN
0368-1769

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## Abstract A substitute for the __Darzens__ glycidic ester synthesis for converting unsaturated ketones or aldehydes into the homologated β,γ‐ or α,β‐unsaturated aldehydes employing sulfur ylides is described. The carbonyl group is converted into the unsaturated oxirane which is then rearranged to