- A novel straightforward synthesis of 2,4-disubstituted-1,3,5-triazines via aerobic copper-catalyzed cyclization of amidines with DMF.
A novel straightforward synthesis of 2,4-disubstituted-1,3,5-triazines via aerobic copper-catalyzed cyclization of amidines with DMF.
Organic letters (2014-06-17)
Xiaowen Xu, Min Zhang, Huanfeng Jiang, Jia Zheng, Yiqun Li
PMID24933098
ABSTRACT
A novel straightforward synthesis of both symmetrical and unsymmetrical 2,4-disubstituted-1,3,5-triazines via aerobic copper-catalyzed cyclization of amidines with DMF as a one-carbon synthon has been developed. The presented method allows synthesizing the products that are currently inaccessible or challenging to prepare with the advantages of operational simplicity, broad substrate scope, and no need for prefunctionalized reagents, making it a highly practical approach to access various 2,4-disubstituted-1,3,5-triazines.
MATERIALS
Product Number
Brand
Product Description
Copper - O.F.H.C., tube, 1000mm, outside diameter 10mm, inside diameter 8mm, wall thickness 1.0mm, 99.95+%
Copper, mesh, 150x150mm, nominal aperture 0.14mm, thickness 0.25mm, wire diameter 0.115mm, 100x100 wires/inch, open area 30.3%, plain weave mesh
Copper, tube, 100mm, outside diameter 12.7mm, inside diameter 10.26mm, wall thickness 1.22mm, as drawn, 99.9%
Copper, insulated wire, 50m, conductor diameter 0.125mm, insulation thickness 0.01mm, polyimide insulation, 99.99%
Copper, tube, 1000mm, outside diameter 0.95mm, inside diameter 0.29mm, wall thickness 0.33mm, as drawn, 99.9%
Copper, insulated wire, 50m, conductor diameter 0.45mm, insulation thickness 0.25mm, PTFE (polytetrafluoroethylene) insulation
Copper - O.F.H.C., tube, 200mm, outside diameter 0.38mm, inside diameter 0.22mm, wall thickness 0.08mm, 99.95+%
Copper - O.F.H.C., foil, 0.5m coil, thickness 0.006mm, hard, 99.95+%
Copper - O.F.H.C., wire reel, 20m, diameter 2.0mm, hard, 99.95+%
Copper - O.F.H.C., foil, 300x300mm, thickness 0.25mm, half hard, 99.95+%
Copper, rod, 100mm, diameter 16mm, as drawn, 99.99+%
Copper, mesh, 150x150mm, nominal aperture 0.38mm, wire diameter 0.25mm, 40x40 wires/inch, open area 37%, plain weave mesh
Copper, insulated wire, 5m, conductor diameter 0.1mm, insulation thickness 0.015mm, 10-30 micron polyesterimide insulation, 99.9%
Copper - O.F.H.C., tube, 200mm, outside diameter 6.0mm, inside diameter 4mm, wall thickness 1.0mm, 99.95+%
Copper - O.F.H.C., wire reel, 50m, diameter 1.0mm, as drawn, 99.95+%
Copper, insulated wire, 2m, conductor diameter 1.0mm, insulation thickness 0.25mm, PTFE (polytetrafluoroethylene) insulation
Copper - O.F.H.C., foil, 50x50mm, thickness 0.1mm, hard, 99.95+%
Copper, insulated wire, 200m, conductor diameter 0.5mm, insulation thickness 0.06mm, polyimide insulation
Copper, rod, 100mm, diameter 9.5mm, hard, 99.9%
Copper, microfoil, disks, 10mm, thinness 0.25μm, specific density 219.9μg/cm2, permanent mylar 3.5μm support, 99.99+%
Copper, insulated wire, 5m, conductor diameter 0.5mm, insulation thickness 0.025mm, polyimide insulation, 99.99%
Copper, tube, 100mm, outside diameter 0.75mm, inside diameter 0.23mm, wall thickness 0.26mm, as drawn, 99.9%
Copper, insulated wire, 50m, conductor diameter 0.5mm, insulation thickness 0.06mm, polyimide insulation
Copper, insulated wire, 20m, conductor diameter 0.45mm, insulation thickness 0.25mm, PTFE (polytetrafluoroethylene) insulation
Copper, rod, 50mm, diameter 6.35mm, as drawn, 99.999%
Copper, insulated wire, 10m, conductor diameter 0.5mm, insulation thickness 0.06mm, polyimide insulation
Copper, rod, 200mm, diameter 8.0mm, as drawn, 99.99+%