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Synthesis and Luminescence of 14-Aryl- or Alkyl-14 H -dibenzo[ a,j ]xanthenes Catalyzed by 2-1′-Methylimidazolium-3-yl-1-ethyl Sulfate

✍ Scribed by Wu, Hui; Chen, Xiu-Mei; Wan, Yu; Xin, Hai-Qiang; Xu, Hua-Hong; Yue, Cai-Hui; Pang, Li-Ling; Ma, Rui

Book ID
120897418
Publisher
Taylor and Francis Group
Year
2009
Tongue
English
Weight
320 KB
Volume
39
Category
Article
ISSN
0039-7911

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Perchloric Acid–Silica (HClO4⋅SiO2)-Cata
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✍ Biswanath Das; D. Nandan Kumar; Keetha Laxminarayana; B. Ravikanth 📂 Article 📅 2007 🏛 John Wiley and Sons 🌐 German ⚖ 64 KB

## Abstract The synthesis of 14‐aryl‐ or 14‐alkyl‐14__H__‐dibenzo[__a__,__j__]xanthenes **3** involving the treatment of naphthalen‐2‐ol (**1**) with arenecarboxaldehydes or alkanals **2** in the presence of HClO~4~⋅SiO~2~ as a heterogeneous catalyst was achieved (__Table 1__), and this reaction wa