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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 437782Generated: October 30, 2026

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

https://huagongshe.com/reaction/437782

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 numberUS04032537
Source datasetuspto-grants-1977_06
ORD IDord-8593bea7ff704351b06a602b0c5866d8
Source noteuspto-grants-1977_06