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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1003189Generated: November 2, 2026

Benzyl Bromide → HCID 69334435, compound

https://huagongshe.com/reaction/1003189

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzyl BromideHCID 7498—
ReactantPotassium CarbonateHCID 11430—
ReactantAmmonium ChlorideHCID 25517—
Reactant3-Hydroxy-2-nitroestra-1,3,5(10)-trien-17-oneHCID 233496—
SolventDimethylformamideHCID 6228—
ProductHCID 69334435HCID 6933443599.1%

Reaction Steps

To a solution of 3-hydroxy-2-nitroestra-1,3,5(10)-trien-17-one (76b, 1.58 g, 5.0 mmol) in DMF (20 mL) were added potassium carbonate (1.38 g, 10 mmol) and benzyl bromide (0.9 mL, 7.5 mmol) and stirred for 19 h at room temperature. To the reaction mixture was added saturated aqueous NH4Cl at 0° C. and extracted with CHCl3. The combined organic layers were washed with H2O, saturated aqueous NaCl, and then dried (Na2SO4). The desiccant was filtered and the solvent was evaporated at reduced pressure. The residue was washed with Et2O to afford 2.01 g of 79 (99% yield) mp: 234-235° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06046186
Source datasetuspto-grants-2000_04
ORD IDord-6a13a30ca65b420c87bf8d45ddb81421
Source noteuspto-grants-2000_04