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On the reaction of maleic and citraconic anhydrides with acetylacetone and with ethyl acetoacetate

✍ Scribed by E. Berner; P. Kolsaker

Publisher
Elsevier Science
Year
1968
Tongue
French
Weight
262 KB
Volume
24
Category
Article
ISSN
0040-4020

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📜 SIMILAR VOLUMES

Condensation of chiral imines and chiral
Condensation of chiral imines and chiral β-enaminoesters with maleic and citraconic anhydrides
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Almr~t : Condenmlions of chiral imines I and 4, and chiral ennminoesters 10 and 13. ~ ma/e~ and citracoaic anhydrides were reported. These experimen:al om~com~ can be ratio \_l~\_\_~ed by invaking the compact, eado-aplaroaches of the two reactants 18.

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## Abstract Isocyanides, dialkyl acetylenedicarboxylates (=dialkyl but‐2‐ynedioates), and anhydrides such as maleic anhydride (=furan‐2,3‐dione) or citraconic anhydride (=3‐methylfuran‐2,3‐dione) react in one pot to afford novel iminospiro‐__γ__‐lactones in fairly good yields at room temperature (_