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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 651485Generated: October 30, 2026

Sodium borohydride → HCID 21708722, compound

https://huagongshe.com/reaction/651485

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium borohydrideHCID 4311764—
ReactantHCID 14815962HCID 14815962—
SolventMethanolHCID 887—
ProductHCID 21708722HCID 2170872284.4%

Reaction Steps

To a stirred solution of 1-keto-5-indanesulfonamide (6.3 g, 30 mmol), in 120 ml of 50% aqueous methanol at 0° C. was added NaBH4 (1.1 g, 30 mmol) in several portions. The cooling bath was removed and the mixture allowed to stir at room temperature for 30 minutes. After removal of the methanol in vacuo, the residue was extracted with ethyl acetate (4×75 ml) and the combined organic phase dried (Na2SO4). Filtration, followed by evaporation of the solvent, gave 5.4 g (84%) of product as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06281240B1
Source datasetuspto-grants-2001_08
ORD IDord-f4887930eb56426c921cbf81424d9dd8
Source noteuspto-grants-2001_08