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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 601211Generated: October 29, 2026

Hydrochloric Acid → HCID 136048770, compound

https://huagongshe.com/reaction/601211

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantMethanolHCID 887—
ReactantLithium borohydrideHCID 4148881—
ReactantHCID 136358399HCID 136358399—
SolventWaterHCID 962—
SolventTetrahydrofuranHCID 8028—
ProductHCID 136048770HCID 136048770—

Reaction Conditions

Temperature25 °C

Reaction Steps

The product of Example 265A (0.068 g, 0.129 mmol) in tetrahydrofuran (3.0 mL) and methanol (0.011 mL, 0.258 mmol) at 0° C. was treated with dropwise addition of a 2.0M solution of lithium borohydride in tetrahydrofuran (0.184 mL, 0.368 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 (8.0 mL), and the resulting precipitate was collected by filtration and dried. The crude product was triturated with dichloromethane/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 4.11 (brs, 2 H) 6.24 (t, J=6.80 Hz, 1 H) 7.06 (t, J=7.54 Hz, 1 H) 7.28 (m, 3 H) 7.56 (m, 3 H) 7.67 (m, 4 H) 8.08 (dd, J=7.91, 1.29 Hz, 1 H) 16.27 (s, 1 H). (ESI−) m/z 524 (M−H)−.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07902203B2
Source datasetuspto-grants-2011_03
ORD IDord-5f27c96271eb4a959f66efed3b2392f3
Source noteuspto-grants-2011_03