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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 874331Generated: October 28, 2026

Hydrochloric Acid → HCID 51353585, compound

https://huagongshe.com/reaction/874331

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantHCID 86671998HCID 86671998—
SolventDichloromethaneHCID 6344—
Solvent1,4-DioxaneHCID 31275—
ProductHCID 51353585HCID 51353585—

Reaction Steps

(±)-(E)-3-[1′-(1-Methyl-1H-indol-3-ylmethyl)-4-oxo-spiro(chromane-2,4′-azepane)-6-yl]-N-(tetrahydro-pyran-2-yloxy)-acrylamide (280 mg, 0.51 mmol) in DCM (5 ml) was treated with 4 M HCl in dioxane (1 ml) as described in Example 30, Step C, giving after purification by preparative HPLC (±)-(E)-3-[1-(1-methyl-1H-indol-3-ylmethyl)-4-oxo-spiro(chromane-2,4′-azepane)-6-yl]-N-hydroxy-acrylamide (80 mg, trifluoroacetate salt) as a light brown solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08980877B2
Source datasetuspto-grants-2015_03
ORD IDord-58efe4a1054c4409947c00a924da26db
Source noteuspto-grants-2015_03