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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 377449Generated: October 27, 2026

Isovanillin → Methyl 1,2,3,4-tetrahydro-1-(3-hydroxy4-methoxyphenyl)-9H-pyrido[3,4-b]indole-3-carboxylate

https://huagongshe.com/reaction/377449

Reaction equation

Participants

RoleNameHCIDCharge
ReactantIsovanillinHCID 12127—
ReactantL-Tryptophan, methyl esterHCID 77980—
ProductMethyl 1,2,3,4-tetrahydro-1-(3-hydroxy4-methoxyphenyl)-9H-pyrido[3,4-b]indole-3-carboxylateHCID 22677823—

Reaction Steps

The same method but starting from racemic tryptophan methyl ester and 3-hydroxy4-methoxybenzaldehyde gave the title compound as a yellow solid m.p.: 140-148° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06025494
Source datasetuspto-grants-2000_02
ORD IDord-6d246eb1b23d43ac9a9b3d8b8a00184a
Source noteuspto-grants-2000_02