Hydrochloric Acid → HCID 136347241, compound

Participants

Reaction Conditions

Reaction Steps

The product of Example 260A (0.045 g, 0.095 mmol) in tetrahydrofuran (2.0 mL) and methanol (0.008 mL, 0.19 mmol) at 0° C. was treated with dropwise addition of a 2.0M solution of lithium borohydride in tetrahydrofuran (0.074 mL, 0.148 mmol). The reaction was stirred at 25° C. for 1 hour, acidified with 1M hydrochloric acid to a pH of approximately 2-4, diluted with water (5.0 mL), and the resulting precipitate was collected by filtration and dried. The crude product was triturated with methanol/diethyl ether and filtered to give the title compound. The sodium salt of the title compound was prepared according to the procedure of Example 1D. 1H NMR (300 MHz, DMSO-d6) δ ppm 3.77 (s, 3 H) 3.82 (s, 2 H) 5.98 (s, 1 H) 6.95 (d, J=8.46 Hz, 2 H) 7.10 (t, J=7.54 Hz, 1 H) 7.30 (m, 2 H) 7.45 (d, J=8.46 Hz, 2 H) 7.56 (s, 2 H) 7.70 (t, J=9.38 Hz, 2 H) 8.10 (d, J=7.72 Hz, 1 H) 16.29 (m, 1 H). MS (ESI−) m/z 475 (M−H)−.

Provenance & Evidence