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Synthesis and Photoisomerization of 3-Cyano-6,6-dimethyl-4-(4-nitrophenylvinyl)-5,6-dihydropyran-2-one

✍ Scribed by D. Jansone; M. Fleisher; G. Andreeva; L. Leite; J. Popelis; E. Lukevics


Book ID
111577734
Publisher
Springer US
Year
2003
Tongue
English
Weight
435 KB
Volume
39
Category
Article
ISSN
0009-3122

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## Abstract Rapid synthesis of 3‐cyano‐4,6‐dimethyl‐2‐pyridone **3**, using piprazine as a catalyst was reported. X‐ray data of the 4,6‐dimethyl‐2‐oxo‐1,2‐dihydropyridine‐3‐carbonitrile exhibited its oxo form. Synthesis of isoquinolinecarbonitrile and pyridylpyridazine using compound **3** was inve