Phenyl Isothiocyanate → HCID 88851620, compound

The amine trifluoroacetate salt from Example 5 (0.064 g, 0.135 mmol) was dissolved in THF (0.5 mL). Et3N (0.037 mL, 0.27 mmol) was added, followed by phenyl isothiocyanate (0.020 mL, 0.15 mmol). The resulting dark yellow solution was heated to 80° C. and stirred for 4 h. The solution was cooled to 25° C., loaded directly onto a silica gel column and purified (gradient elution with 15% to 40% to 80% EtOAc in hexanes) to afford the product (0.0222 g, 33%) as a yellow oil: IR νmax 3380, 3218 (br), 1617, 1598, 1518, 1497, 1448, 1356, 1326, 1264, 1221, 1168, 1111, 1065, 986, 910, 851, 756, 732, 694 cm−1; 1H NMR (300 MHz, CDCl3) δ 8.56 (s, 1H), 8.11 (d, J=8.3 Hz, 2H), 7.90 (br s, 1H), 7.78 (d, J=9.0 Hz, 2H), 7.46-7.32 (m, 5H), 7.31-7.21 (m, 5H), 3.10 (br s, 1H), 2.25 (br s, 1H), 1.51-1.30 (m, 2H); HRMS-ESI (m/z) [M]+ calcd for C25H20F3N5OS, 495.134. found, 495.1341.

1. temperatureThe solution was cooled to 25° C.
2. custompurified
3. wash(gradient elution with 15% to 40% to 80% EtOAc in hexanes)

ORD record

ord-33a3cabee3fa47b5b8228f29998f6350

Source dataset

uspto-grants-2014_06

DOI

10.6084/m9.figshare.5104873.v1

Patent number

US08748340B2