6-O-Carbamate-11,12-lacto-ketolide antimicrobials of the formula:
1
wherein R
1
, R
2
, R
3
R
7
, and R
8
are as described herein and in which the substituents have the meaning indicated in the description. These compounds are useful as antibacterial agents.
6-O-Acyl ketolide antibacterials of the formula:
1
wherein R
1
, R
2
, R
3
, R
4
, W, X, X′, Y, and Y′ are as described herein and in which the substituents have the meaning indicated in the description. These compounds are useful as antibacterial agents.
6-O-Carbamoyl ketolide antibacterials of the formula:
1
wherein R
1
, R
2
, R
3
, R
4
, R
5
, R
6
, X, X′, Y, and Y′ are as described herein and in which the substituents have the meaning indicated in the description. These compounds are useful as antibacterial agents.
ANTICANCER 1,3-DIOXANE-4,6-DIONE DERIVATIVES AND METHOD OF COMBINATORIAL SYNTHESIS THEREOF
申请人:National Guard Health Affairs
公开号:US20200290975A1
公开(公告)日:2020-09-17
Compounds, methods of synthesis, and methods of cancer treatment by arylidene-1,3-dioxane-4,6-diones. A Meldrum's acid-based chemistry and hybrid solid-liquid method. The method includes protection of ketone and aldehyde components and simultaneous immobilization on the solid phase, introduction of substituents, grafts and derivatives compatible with the protection, detachment and restoration of active carbonyl reactivity, reaction of ketone library with malonate, reacting of the products with the aldehyde library in liquid phase and separation of the products by preparative HPLC.
A heterogeneous tetrakis(ammine)palladium-NaY zeolite [Pd(NH3)4]/NaY} catalyst was applied successfully to the Heckarylation of acroleindiethylacetal using a large variety of aryl and heteroaryl bromides. Depending on the reaction conditions (Heck versus Cacchi) good to high selectivities toward the 3-arylpropionicesters or to the cinnamaldehydes were achieved, respectively. Under classical Heck