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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 840576Generated: October 30, 2026

5-Methyl-2-thiophenecarboxaldehyde → Methyl 1,2,3,4-tetrahydro-1-(5-methyl-2-thienyl)-9h-pyrido [3,4-b]indole-3-carboxylate

https://huagongshe.com/reaction/840576

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Methyl-2-thiophenecarboxaldehydeHCID 61663—
ReactantL-Tryptophan, methyl esterHCID 77980—
ProductMethyl 1,2,3,4-tetrahydro-1-(5-methyl-2-thienyl)-9h-pyrido [3,4-b]indole-3-carboxylateHCID 3879449—

Reaction Steps

The same method but starting from racemic tryptophan methyl ester and 5-methyl-2-thiophenecarboxaldehyde gave the cis and trans isomers of the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06369059B1
Source datasetuspto-grants-2002_04
ORD IDord-3b22efda8a8a4ffaa4648109303e08bb
Source noteuspto-grants-2002_04