Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 918482Generated: October 30, 2026

Ethyl bromoacetate → Ethyl 4,5-dihydro-4-oxothiopyrano[3,2-b]indole-5-acetate

https://huagongshe.com/reaction/918482

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl bromoacetateHCID 7748—
ReactantThiopyrano[3,2-b]indol-4(5H)-oneHCID 20326608—
ProductEthyl 4,5-dihydro-4-oxothiopyrano[3,2-b]indole-5-acetateHCID 20326604—

Reaction Steps

By the same method as described in Example 7, 4.8 g of thiopyrano-[3,2-b]indol-4(5H)-one is alkylated with ethyl bromoacetate to give 6.0 g of product, mp 163°-165°C, after recrystallization from ethyl acetate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS03971806
Source datasetuspto-grants-1976_07
ORD IDord-d5289068283a405bb6e3c8714f782412
Source noteuspto-grants-1976_07