Zobrazeno 1 - 10
of 423
pro vyhledávání: '"Li Tong-Shuang"'
Publikováno v:
E-Journal of Chemistry, Vol 3, Iss 3, Pp 117-121 (2006)
The reaction of aromatic aldehyde and 1,3-cyclohexanedione in aqueous media has been catalyzed by p-dodecylbenezenesulfonic acid (DBSA) or sodium dodecyl sulfate (SDS) and yields two products: 9-aryl-1, 8-dioxooctahydroxanthene derivatives and 2,2´-
Externí odkaz:
https://doaj.org/article/ecad969c58e34355b1732f4bd775d360
Publikováno v:
E-Journal of Chemistry, Vol 2, Iss 4, Pp 228-230 (2005)
An efficient synthesis of 3,4-dihydropyrimidin-2-ones (DHPMs) from the aldehydes, β-ketoesters and urea in ethanol using chlorosulfonic acid as the catalyst is described. Compared with the classical Biginelli reaction conditions, this method has the
Externí odkaz:
https://doaj.org/article/e0fa48bfbf814e74a3d3f9a001034d9f
Publikováno v:
In Ultrasonics - Sonochemistry 2006 13(3):220-224
Publikováno v:
In Ultrasonics - Sonochemistry 2006 13(1):24-27
Publikováno v:
In Ultrasonics - Sonochemistry 2005 12(5):349-352
Publikováno v:
In Ultrasonics - Sonochemistry 2005 12(6):473-476
Publikováno v:
In Ultrasonics - Sonochemistry 2004 11(6):393-397
Publikováno v:
In Ultrasonics - Sonochemistry 2003 10(3):119-122
Publikováno v:
In Ultrasonics - Sonochemistry 2003 10(3):123-126
Publikováno v:
In Ultrasonics - Sonochemistry 2003 10(2):115-118