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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 461636Generated: October 30, 2026

Ethyl Bromide → 5-Ethylthiopyrano[3,2-b]indol-4(5H)-one

https://huagongshe.com/reaction/461636

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl BromideHCID 6332—
ReactantThiopyrano[3,2-b]indol-4(5H)-oneHCID 20326608—
Product5-Ethylthiopyrano[3,2-b]indol-4(5H)-oneHCID 20326620—

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 bromide to give 4.8 g of product, mp 103°-104° C, after recrystallization from methylene chloride-hexane.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04064123
Source datasetuspto-grants-1977_12
ORD IDord-3899425ab79d4025a70131b9246eca3d
Source noteuspto-grants-1977_12