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ChemInform Abstract: Dodecylphosphonic Acid (DPA): A Highly Efficient Catalyst for the Synthesis of 2H-Indazolo[2,1-b]phthalazine-triones under Solvent-Free Conditions.

✍ Scribed by Mazaahir Kidwai; Anwar Jahan; Ritika Chauhan; Neeraj Kumar Mishra

Book ID: 112047733
Publisher: John Wiley and Sons
Year: 2012
Weight: 25 KB
Volume: 43
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.201230185

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Dodecylphosphonic acid (DPA): a highly e

Dodecylphosphonic acid (DPA): a highly efficient catalyst for the synthesis of 2H-indazolo[2,1-b]phthalazine-triones under solvent-free conditions

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ChemInform Abstract: Microwave-Assisted,

ChemInform Abstract: Microwave-Assisted, Montmorillonite K-10 Catalyzed Three-Component Synthesis of 2H-Indazolo[2,1-b]phthalazine-triones under Solvent-Free Conditions.

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ChemInform Abstract: One-Pot Synthesis o

ChemInform Abstract: One-Pot Synthesis of Aliphatic and Aromatic 2H-Indazolo[2,1-b]phthalazine-triones Catalyzed by N-Halosulfonamides under Solvent-Free Conditions.

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ChemInform Abstract: Phosphomolybdic Aci

ChemInform Abstract: Phosphomolybdic Acid (PMA)—SiO2 as a Heterogeneous Solid Acid Catalyst for the One-Pot Synthesis of 2H-Indazolo[1,2-b]phthalazine-triones.

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Phosphomolybdic Acid (PMA)–SiO2 as a Het

Phosphomolybdic Acid (PMA)–SiO2 as a Heterogeneous Solid Acid Catalyst for the One-Pot Synthesis of 2H-Indazolo[1,2-b]phthalazine-triones

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## Abstract Phosphomolybdic acid (PMA)–SiO~2~ was found to be an efficient catalyst for the three‐component condensation reaction of phthalhydrazide, 1,3‐diketone, and aldehydes to produce 2__H__‐indazolo[1,2‐__b__]phthalazine‐triones in excellent yields. The catalyst can be recovered and reused wi