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Preparation and Light Induced Reactions of Substituted 1,4-Benzoquinone

✍ Scribed by Khalid A. Abdulla; Azhar L. Abdul-Rahman; Ra'Ad Al-Hamdany; Dr. Zeki Y. Al-Saigh


Publisher
John Wiley and Sons
Year
1982
Tongue
English
Weight
415 KB
Volume
324
Category
Article
ISSN
1615-4150

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## Abstract Trimethyl phosphite (2a) reacts with __N__‐(phenylsulfonyl)‐1,4‐benzoquinone monoimine (1a) to give the respective phosphonate 3c, phosphates 3d, 3e and the alkylated products 3a and 3b. The reaction of triethyl phosphite (2b) with the same quinone imine 1a yields only the phosphate add

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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