Hydrochloric Acid → HCID 136048795, compound

HRID 601201Notes

Reaction equation

[O:1]=[S:2]1(=[O:31])[C:7]2[CH:8]=[CH:9][CH:10]=[CH:11][C:6]=2[NH:5][C:4]([C:12]2[C:13](=[O:30])[N:14]([N:23]=[CH:24][C:25]3[CH:29]=[CH:28][O:27][CH:26]=3)[C:15]3[C:20]([C:21]=2[OH:22])=[CH:19][CH:18]=[CH:17][CH:16]=3)=[N:3]1.CO.[BH4-].[Li+].Cl>O1CCCC1.O>[O:31]=[S:2]1(=[O:1])[C:7]2[CH:8]=[CH:9][CH:10]=[CH:11][C:6]=2[NH:5][C:4]([C:12]2[C:13](=[O:30])[N:14]([NH:23][CH2:24][C:25]3[CH:29]=[CH:28][O:27][CH:26]=3)[C:15]3[C:20]([C:21]=2[OH:22])=[CH:19][CH:18]=[CH:17][CH:16]=3)=[N:3]1

Participants

Conditions

Temperature: 25 °C

Procedure

The product of Example 251A (0.028 g, 0.064 mmol) in tetrahydrofuran (1.3 mL) and methanol (0.005 mL, 0.128 mmol) at 0° C. was treated with dropwise addition of a 2.0M solution of lithium borohydride in tetrahydrofuran (0.050 mL, 0.100 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 (6.0 mL), and the resulting precipitate was collected by filtration and dried. The crude product was triturated with 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 3.79 (m, 2 H) 6.03 (t, J=6.80 Hz, 1 H) 6.65 (s, 1 H) 7.08 (t, J=7.35 Hz, 1 H) 7.27 (m, 3 H) 7.54 (m, 2 H) 7.68 (m, 3 H) 8.08 (d, J=7.72 Hz, 1 H) 16.26 (s, 1 H). MS (ESI−) m/z 435 (M−H)−.

Workup

filtrationthe resulting precipitate was collected by filtration
customdried
customThe crude product was triturated with diethyl ether
filtrationfiltered

Sources & evidence

ORD record: ord-6009f315c11c4a93b490f1712015f34c
Source dataset: uspto-grants-2011_03
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07902203B2

Reaction notes

Loading…