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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1596466Generated: October 31, 2026

Ethyl cyanoacetate → Ethyl 2-cyano-2-cyclopentylideneacetate

https://huagongshe.com/reaction/1596466

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl cyanoacetateHCID 7764—
ReactantCyclopentanoneHCID 8452—
ProductEthyl 2-cyano-2-cyclopentylideneacetateHCID 22325769%

Reaction Steps

The sub-title compound was prepared in a 69% yield analogously to the method described in Organic Synthesis, 39, 25 (1959) from cyclopentanone and ethyl cyanoacetate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06291475B1
Source datasetuspto-grants-2001_09
ORD IDord-823d59eae23d41a1a8053ee2af64bf52
Source noteuspto-grants-2001_09