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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 6751Generated: October 30, 2026

Acetic Acid → 6-benzyloxy-3-methyl-2,3,4,9-tetrahydro-1H-beta-carboline

https://huagongshe.com/reaction/6751

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
ReactantFormaldehydeHCID 712—
Reactant1-methyl-2-(5-benzyloxy-1H-indol-3-yl)ethyl amineHCID 15137740—
SolventEthanolHCID 702—
Product6-benzyloxy-3-methyl-2,3,4,9-tetrahydro-1H-beta-carbolineHCID 2201851465.1%

Reaction Conditions

Temperature80 °C

Reaction Steps

A mixture of 2-(5-benzyloxy-1H-indol-3-yl)-1-methyl-ethylamine (58 mg, 0.21 mmol), 37% formaldehyde (17 uL, 0.23 mmol) and ethanol (2 ml) was heated in a sealed tube at 80° C. for 2 h. The mixture was cooled to rt and acetic acid (60.6 uL, 1.05 mmol) was added. The mixture was heated again in a sealed tube at 80° C. for 5 h. Evaporation of volatiles yielded 6-benzyloxy-3-methyl-2,3,4,9-tetrahydro-1H-β-carboline (40 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07084154B2
Source datasetuspto-grants-2006_08
ORD IDord-d05eca1dd2af4e6f9d22796c7e4a4373
Source noteuspto-grants-2006_08