Research Article

Thioxopyrimidine in Heterocyclic Synthesis III: Synthesis and Properties of Some Novel Heterocyclic Chalcone Derivatives Containing a Thieno[2,3-d]pyrimidine-Based Chromophore

Table 4

CIE of dyes 6an on polyester.

Dye K/S

6a88.400.09 9.52 9.5290.560.1789
6b91.3217.3437.9841.7665.460.9125
6c84.29−3.77 7.45 8.35116.830.3417
6d91.06−6.1221.9022.74105.600.4236
6e85.84 33.35 34.6325.5546.061.3319
6f89.61−0.7915.3815.4092.960.2368
6g73.24 6.04 15.9717.0769.270.7793
6h88.41−3.8024.2224.5298.920.5565
6i89.52−0.1011.2711.2790.500.3050
6j90.60−6.6933.9634.61101.140.8942
6k82.53−2.9412.5112.85103.220.6437
6l85.065.3424.9948.0846.080.4600
6m83.419.2720.9922.9566.180.3820
6n76.3735.2322.9442.0433.070.5334