A Catalyst‐free Green Protocol for the Synthesis of Pyranopyrazoles Using Room Temperature Ionic Liquid Choline Chloride‐urea | Zendy

Swaroop Toreshettahally R. | Zendy; Sharath Kumar Kothanahally S. | Zendy; Palanivelu Mariyappan | Zendy; Chaitanya Somu | Zendy; Rangappa Kanchugarakoppal S. | Zendy

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A Catalyst‐free Green Protocol for the Synthesis of Pyranopyrazoles Using Room Temperature Ionic Liquid Choline Chloride‐urea

Author(s) -

Swaroop Toreshettahally R.,

Sharath Kumar Kothanahally S.,

Palanivelu Mariyappan,

Chaitanya Somu,

Rangappa Kanchugarakoppal S.

Publication year - 2014

Publication title -

journal of heterocyclic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.321

H-Index - 59

eISSN - 1943-5193

pISSN - 0022-152X

DOI - 10.1002/jhet.1864

Subject(s) - chemistry , ionic liquid , choline chloride , hydrazine (antidepressant) , urea , hydrate , catalysis , chloride , inorganic chemistry , choline , green chemistry , organic chemistry , chromatography , biochemistry

An efficient and rapid four component reaction of aldehydes, malanonitrile, β‐ketoesters and hydrazine hydrate (or phenyl hydrazine) in environmentally benign room temperature ionic liquid choline chloride‐urea has been developed for the synthesis of substituted 4 H ‐pyrano[2,3‐c]pyrazoles.

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