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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1782214Generated: October 30, 2026

Tosylmethyl isocyanide → Methyl 4-methyl-1H-pyrrole-3-carboxylate

https://huagongshe.com/reaction/1782214

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTosylmethyl isocyanideHCID 161915—
ReactantMethyl CrotonateHCID 638132—
ReactantPotassium tert-butoxideHCID 23665647—
ProductMethyl 4-methyl-1H-pyrrole-3-carboxylateHCID 15274278—

Reaction Steps

By a similar operation as in Reference Example 19 and using p-toluenesulfonylmethyl isocyanide (94.6 g), methyl crotonate (48.5 g) and potassium tert-butoxide (76.7 g), the title compound was obtained as a pale-yellow solid (yield 16.8 g, 25%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07498337B2
Source datasetuspto-grants-2009_03
ORD IDord-65f0efdf9d5c4c9099481cd387e4cbe3
Source noteuspto-grants-2009_03