1044552-12-6Relevant articles and documents
A highly efficient CuI nanoparticles-catalyzed synthesis of tetrahydrochromenediones and dihydropyrano[c]chromenediones under grinding
Abdolmohammadi, Shahrzad,Ghiasi, Reza,Ahmadzadeh-Vatani, Sam
, p. 777 - 782 (2016)
A concise and CuI nanoparticle-catalyzed synthesis of tetrahydrochromenediones and dihydropyrano[c]chromenediones under solvent-free grinding conditions via the three-component condensation reaction of Meldrum's acid, an aromatic aldehyde, and an active m
Ag2Cr2O7 nanoparticles: An eco-friendly and reusable catalyst for synthesis of pyrano[c]chromenediones and [1,3]dioxolo[g]chromeneones in aqueous media at ambient temperature
Ebrahimi, Mitra,Abdolmohammadi, Shahrzad,Kia-Kojoori, Reza
, p. 1895 - 1902 (2020/05/25)
An efficient and green protocol for the synthesis of 4-aryl-3,4-dihydro-2H,5H-pyrano[3,2-c]chromene-2,5-diones and 8-aryl-7,8-dihydro-6H-[1,3]dioxolo[4,5-g]chromene-6-ones through the Ag2Cr2O7 nanoparticles catalyzed cyclo
Synthesis of functionalized chromenes from Meldrum's acid, 4-hydroxycoumarin, and ketones or aldehydes
Sabbaghan, Maryam,Yavari, Issa,Hossaini, Zinatossadat
experimental part, p. 813 - 817 (2011/06/10)
An efficient synthesis of 4-alkyl-4-methyl-3,4-dihydro-2H,5H-pyrano[3,2-c] chromene-2,5-dione or 4-aryl-3,4- dihydro-2H,5H-pyrano[3,2-c]chromene-2,5-diones via reaction 4-hydroxycoumarin with Meldrum's acid and ketones or aldehydes is described.
Proline-promoted efficient synthesis of 4-aryl-3,4-dihydro-2H,5H-pyrano[3, 2-c]chromene-2,5-diones in aqueous media
Yavari, Issa,Sabbaghan, Maryam,Hossaini, Zinatossadat
scheme or table, p. 1153 - 1154 (2009/04/04)
The reaction of 4-hydroxycoumarin with Meldrum's acid and benzaldehydes in aqueous media in the presence of proline (10 mol%) led to 4-aryl-3,4-dihydro-2H, 5H-pyrano[3,2-c]chromene-2,5-diones in good yields. Georg Thieme Verlag Stuttgart.
