Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 554186Generated: October 25, 2026

Tosylmethyl isocyanide → Ethyl 4-methyl-1h-pyrrole-3-carboxylate

https://huagongshe.com/reaction/554186

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTosylmethyl isocyanideHCID 161915—
ReactantEthyl trans-crotonateHCID 429065—
ReactantPotassium tert-butoxideHCID 23665647—
ProductEthyl 4-methyl-1h-pyrrole-3-carboxylateHCID 23504471.1%

Reaction Steps

Using p-toluenesulfonylmethyl isocyanide (8.55 g), ethyl crotonate (5.0 g) and potassium tert-butoxide (5.90 g), a procedure as in Reference Example 39 was performed to give the title compound as a pale-yellow solid (yield 4.77 g, 71%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08048909B2
Source datasetuspto-grants-2011_11
ORD IDord-c31a5c841b6e47ee8805ad48720a6c35
Source noteuspto-grants-2011_11