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Facile isomerization of 2-(dicyanomethylene)-1,3-indandione to 2,3-dicyano-1,4-naphthoquinone

✍ Scribed by Ashwell, Geoffrey J.; Bryce, Martin R.; Davies, Stephen R.; Hasan, Masihul


Book ID
127014577
Publisher
American Chemical Society
Year
1988
Tongue
English
Weight
432 KB
Volume
53
Category
Article
ISSN
0022-3263

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## Abstract 2,3‐Dicyano‐1,4‐naphthoquinone (DCNQ), the easily obtainable isomer of 2‐(dicyanomethylene)indane‐1,3‐dione (CNIND), reacts with arylazo‐, pyridylazo‐ and arylaminopyrazoles 1–3 via charge‐transfer (CT) complexation to yield pyrazolo[2,3‐α]quinazolinediones 10a–f and pyrazolo[2,3‐α]‐qui