Cellulose sulphuric acid as a biodegradable and reusable catalyst for the Knoevenagel condensation

• Authors: Kiran Shelke , Suryakant Sapkal , Kirti Niralwad , Bapurao Shingate , Murlidhar Shingare
• Languages of publication: EN

Abstracts

EN

A green, mild and efficient method for Knoevenagel condensation of 3-formylchromone/2-chlroquinoline-3-carbaldehyde with active methylene compounds such as Meldrum’s acid/ethyl cyanoacetate using biosupported cellulose sulphuric acid (CSA) in the solid-state by grinding under solvent-free condition has been developed. This method provides several advantages including environmental friendliness, shor t reaction times, high yields and a simple work-up procedure. Moreover, the CSA was successfully reused for four cycles without significant loss of activity. [...]

Keywords

EN

Knoevenagel reaction; Cellulose sulphuric acid; Grinding; 3-formylchromone; Meldrum’s acid

• Publisher: De Gruyter Open
• Journal: Open Chemistry
• Year: 2010
• Volume: 8
• Issue: 1
• Pages: 12-18

Dates

published

1 - 2 - 2010

online

16 - 2 - 2010

Contributors

author

Kiran Shelke

• Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, 431 004, India

author

Suryakant Sapkal

• Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, 431 004, India

author

Kirti Niralwad

• Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, 431 004, India

author

Bapurao Shingate

• Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, 431 004, India

author

Murlidhar Shingare

• Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, 431 004, India

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Identifiers

DOI

10.2478/s11532-009-0111-2