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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 226409Generated: October 29, 2026

Sodium Bicarbonate → ethyl (2E)-3-(6-{[(3R)-1-phenyl-3-pyrrolidinyl]amino}-3-pyridinyl)acrylate

https://huagongshe.com/reaction/226409

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium BicarbonateHCID 516892—
ReactantPhosphinic AcidHCID 4124402—
ReactantSodium NitriteHCID 23668193—
Reactantethyl (2E)-3-(6-{[(3R)-1-(4-aminophenyl)-3-pyrrolidinyl]amino}-3-pyridinyl)acrylateHCID 86603717—
SolventWaterHCID 962—
Productethyl (2E)-3-(6-{[(3R)-1-phenyl-3-pyrrolidinyl]amino}-3-pyridinyl)acrylateHCID 8660371628.8%

Reaction Conditions

Temperature4 °C

Reaction Steps

To a mixture of ethyl (2E)-3-(6-{[(3R)-1-(4-aminophenyl)-3-pyrrolidinyl]amino}-3-pyridinyl)acrylate (178 mg) and 50% phosphinic acid (5 mL) was added sodium nitrite (62.7 mg) in H2O at 4° C. The reaction mixture was stirred for 2 hours at 4° C. The resulting mixture was neutralized with saturated NaHCO3 and extracted with chloroform. The organic layer was dried over MgSO4, filtered, and evaporated in vacuo. The residue was purified by column chromatography on silica gel to give ethyl (2E)-3-(6-{[(3R)-1-phenyl-3-pyrrolidinyl]amino}-3-pyridinyl)acrylate (49.0 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07557127B2
Source datasetuspto-grants-2009_07
ORD IDord-16cef425330043eb8f404228976ac7ea
Source noteuspto-grants-2009_07