Silica supported perchloric acid (HClO4-SiO2): A mild, reusable and highly efficient heterogeneous catalyst for the synthesis of 14-aryl or alkyl-14-H-dibenzo[a,j]xanthenes

ChemInform Abstract: Silica-Supported Am

ChemInform Abstract: Silica-Supported Ammonium Dihydrogen Phosphate (NH4H2PO4/SiO2): A Mild, Reusable and Highly Efficient Heterogeneous Catalyst for the Synthesis of 14-Aryl-14-H-dibenzo[a,j]xanthenes.

✍ Shahnaz Rostamizadeh; Ali Mohammad Amani; Gholam Hossein Mahdavinia; Nasrin Shad 📂 Article 📅 2009 🏛 John Wiley and Sons ⚖ 29 KB

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v

Perchloric Acid–Silica (HClO4⋅SiO2)-Cata

Perchloric Acid–Silica (HClO4⋅SiO2)-Catalyzed Synthesis of 14-Alkyl- or 14-Aryl-14H-dibenzo[a,j]xanthenes and N-[(2-Hydroxynaphthalen-1-yl)methyl]amides

✍ 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

ChemInform Abstract: Silica Supported Pe

ChemInform Abstract: Silica Supported Perchloric Acid (HClO4—SiO2): A Mild, Reusable and Highly Efficient Heterogeneous Catalyst for the Synthesis of Amidoalkyl Naphthols.

✍ Gholam Hossein Mahdavinia; Mohammad A. Bigdeli; Majid M. Heravi 📂 Article 📅 2009 🏛 John Wiley and Sons ⚖ 28 KB 👁 1 views

Silica Gel-Supported Polyphosphoric Acid

Silica Gel-Supported Polyphosphoric Acid (PPA/SiO2): An Efficient and Reusable Heterogeneous Catalyst for Facile Synthesis of 14-Aryl-14H-dibenzo[a,j]xanthenes under Solvent-free Conditions

✍ Amir Khojastehnezhad; Abolghasem Davoodnia; Mehdi Bakavoli; Niloofar Tavakoli-Ho 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 English ⚖ 199 KB 👁 2 views

ChemInform Abstract: Fe(HSO4)3: An Effic

ChemInform Abstract: Fe(HSO4)3: An Efficient, Heterogeneous and Reusable Catalyst for the Synthesis of 14-Aryl- or Alkyl-14H-dibenzo[a,j]xanthenes.

✍ Hossein Eshghi; Mehdi Bakavoli; Hassanali Moradi 📂 Article 📅 2009 🏛 John Wiley and Sons ⚖ 25 KB 👁 2 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v

Novel Synthetic Methodologies. Part 143.

Novel Synthetic Methodologies. Part 143. Perchloric Acid—Silica (HClO4×SiO2) Catalyzed Synthesis of 14-Alkyl- or 14-Aryl-14H-dibenzo[a,j]xanthenes and N-[(2-Hydroxynaphthalen-1-yl)methyl]amides.

✍ Biswanath Das; D. Nandan Kumar; Keetha Laxminarayana; B. Ravikanth 📂 Article 📅 2007 🏛 John Wiley and Sons ⚖ 33 KB 👁 1 views