The thermodynamic properties of 4,5,9,10-tetrahydropyrene and of 1,2,3,6,7,8-hexahydropyrene
โ Scribed by R.D. Chirico; S.E. Knipmeyer; A. Nguyen; N.K. Smith; W.V. Steele
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 974 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0021-9614
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๐ SIMILAR VOLUMES
Fifteen title compounds, e.g. (I)-(III), are prepared essentially as described previously. Evaluation of their absorption, emission and laser properties shows that N-allyl substituted derivatives (Ia) and (IIa) have high fluorescence quantum yields and laser efficiencies of 137 and 140%, respectivel
## Abstract A series of novel 10โaminoโ9โarylโ2,3,4,5,6,7,9,10โoctahydroacridineโ1,8โdione derivatives **4** were synthesized by hydrazine or phenylhydrazine and 9โarylโ1,8โdioxoโ2,3,4,5,6,7,9โheptahydroxanthene derivatives **3**, which were prepared by 5โsubstitutedโ1,3โcyclohexanedione **1** and