Chemistry of Heterocyclic Compounds p. 364 - 368 (1983)
Update date:2022-08-05
Topics:
Ukhin, L. Yu.
Dolgopolova, N. A.
Morkovnik, Z. S.
Kuz'mina, L. G.
Struchkov, Yu. T.
The reaction of 3,5-di-tert-butyl-o-benzoquinone and 2,6-di-tert-butyl-p-benzoquinone with solutions of 70percent HClO4 in acetic and propionic anhydrides and with boron trifluoride etherate in acetic anhydride leads to the formation of pyrylium salts in high yields.
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