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Alkynylquinones. Synthesis of 2-alkynyl-5-methoxy-1,4-benzoquinones

✍ Scribed by West, Kevin F.; Moore, Harold W.


Book ID
121217953
Publisher
American Chemical Society
Year
1982
Tongue
English
Weight
396 KB
Volume
47
Category
Article
ISSN
0022-3263

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The 2,5-bisacrylate-substituted 1,4-benzoquinone bisketal 7a was synthesized by electrochemical oxidation of the corresponding dimethoxybenzene 6. The methyl ester 7a was transesterified to the corresponding ethyl, n-propyl and isopropyl esters 7bΟͺ7d by Ti(OEt) 4 catalysis and to the corresponding n