New Conjugated Systems Derived from Piperazine-2,5-dione
The preparation of monoarylidene and both symmetrical and unsymmetrical bisarylidene derivatives of piperazine-2,5-dione is described. The use of 1,4-diacetylpiperazine-2,5-dione make it possible to prepare unsymmetrical bisarylidenes. The introduction of a dicyanomethylene moiety into the para posi...
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| Format: | Article |
| Language: | English |
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MDPI AG
2000-03-01
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| Series: | Molecules |
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| Online Access: | http://www.mdpi.com/1420-3049/5/3/629/ |