Table 1: Physical characterization of final indolyl -1, 5- benzothiazepines 4(a-o).

Compounds R Time (min) Yield (%)(Microwave) mp (0C) Molecular formula
4a CH3 3.5 75 80 C18H16N2MS
4b C2H5 3 82 100 C19H18N2S
4c C6H5 5 65 110 C23H18N2S
4d 4-ClC6H4 4 65 90 C23H17N2C1S
4e 4-FC6H4 3.5 74 65 C23H17N2FS
4f 4-NO2C6H4 6 65 125 C23H17O2N3S
4g 4-OHC6H4 5 70 120 C23H18ON2S
4h 4-OCH3C6H4 4 75 90 C24H20ON2S
4i 2-OHC6H4 5 70 130 C23H18ON2S
4j 4-OCH2COOHC6H4 4.5 45 103 C25H20O3N2S
4k 4-NH2C6H4 4 75 80 C23H19N2S
4l 3-OCH3C6H4 4.5 80 110 C24H20N2OS
4m 3-OHC6H4 5 65 125 C23H18N2OS
4n 3,4-OCH3C6H3 4 75 105 C25H22N2O2S
4o 2-NO2C6H4 5 80 135 C23H17N3O2S