879479-29-5Relevant academic research and scientific papers
A green and clean pathway: One pot, multicomponent, and visible light assisted synthesis of pyrano[2,3-: C] pyrazoles under catalyst-free and solvent-free conditions
Pati Tripathi, Bhartendu,Mishra, Anu,Rai, Pratibha,Kumar Pandey, Yogesh,Srivastava, Madhulika,Yadav, Snehlata,Singh, Jaya,Singh, Jagdamba
, p. 11148 - 11154 (2017)
A mild, eco-efficient and metal-free synthetic protocol for the production of biologically significant scaffold dihydropyrano[2,3-c]pyrazoles via reaction between ethylacetoacetate (1), hydrazine hydrate (2), aromatic aldehydes (3) and malononitrile (4) a
A catalyst-free green protocol for the synthesis of pyranopyrazoles using room temperature ionic liquid choline chloride-urea
Swaroop, Toreshettahally R.,Kumar, Kothanahally S. Sharath,Palanivelu, Mariyappan,Chaitanya, Somu,Rangappa, Kanchugarakoppal S.
, p. 1866 - 1870 (2015/01/09)
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 4H-pyrano[2,3-c]pyrazoles.
Multicomponent synthesis of dihydropyrano[2,3-c]pyrazoles catalyzed by lipase from Aspergillus niger
Bora, Pranjal P.,Bihani, Manisha,Bez, Ghanashyam
, p. 24 - 33 (2013/07/19)
Lipase from Aspergillus niger (ANL) was found to be an extremely effective catalyst for four-component synthesis of dihydropyrano[2,3-c]pyrazoles from a stoichiometric mixture of ethyl acetoacetate, hydrazine hydrate, aldehyde/ketone, and malononitrile in
Eco-friendly synthesis and biological evaluation of substituted pyrano[2,3-c]pyrazoles
Mandha, Santhosh Reddy,Siliveri, Sravanthi,Alla, Manjula,Bommena, Vittal Rao,Bommineni, Madhava Reddy,Balasubramanian, Sridhar
body text, p. 5272 - 5278 (2012/09/07)
An ecofriendly green approach for synthesis of substituted pyrano[2,3-c]pyrazoles has been developed via a multicomponent one pot approach in aqueous ethanol medium under totally non-catalytic conditions. The synthesized compounds were evaluated for their
Rapid four-component reactions in water: synthesis of pyranopyrazoles
Vasuki, Gnanasambandam,Kumaravel, Kandhasamy
, p. 5636 - 5638 (2008/12/22)
An environmentally benign four-component reaction in aqueous medium at room temperature has been developed for the synthesis of 6-amino-5-cyano-3-methyl-4-aryl/heteroaryl-2H,4H-dihydropyrano[2,3-c]pyrazoles.
