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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1993496Generated: October 29, 2026

Water → HCID 68424324, compound

https://huagongshe.com/reaction/1993496

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantHCID 68424495HCID 68424495—
SolventDimethylformamideHCID 6228—
SolventHydrazine hydrate (1:1)HCID 24654—
ProductHCID 68424324HCID 6842432465%

Reaction Conditions

Temperature100 °C

Reaction Steps

To a solution of 6-Benzyl-2,2-dimethyl-2H-pyrano[2,3-f]indole-7,8-dione (500 mg, 1.57 mmol) in DMF (5 mL), hydrazine monohydrate (2.5 mL) was added, and the resulting mixture was stirred at 100° C. for 1.5 hour. Water was added thereto, and the resulting solution was extracted with ethyl acetate. The resulting organic phase was washed with saturated aqueous ammonium chloride solution and then with saturated sodium chloride solution, dried over anhydrous sodium sulfate, concentrated and purified by silica gel column (hexane/ethyl acetate=3/1) to obtain the aimed product (yield: 65%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07652008B2
Source datasetuspto-grants-2010_01
ORD IDord-7c97f663298841c0b2f32d46cb59d942
Source noteuspto-grants-2010_01