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Notes - 2-Pyrones. XXVIII. 4,7,7-Trimethyl-7,8-dihydro-(2H,5H,)-pyrano-[4,3-b]-pyran-2,5-dione

โœ Scribed by Wiley, Richard; Esterle, J.; Hussung, K.; de Silva, C.; Slaymaker, S.


Book ID
126468541
Publisher
American Chemical Society
Year
1957
Tongue
English
Weight
273 KB
Volume
22
Category
Article
ISSN
0022-3263

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## Abstract The reactions of 3โ€acetoacetylโ€7โ€methylโ€2__H__,5__H__โ€pyrano[4,3โ€__b__]pyranโ€2,5โ€dione with aromatic amines afforded 3โ€(arylaminomethylene)โ€6โ€methylpyranโ€2,4โ€dione. Our results allowed the correction of the structures reported in the literature for the products of these reactions.