Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 461641Generated: October 30, 2026

Propargyl bromide → 5-(Prop-2-yn-1-yl)thiopyrano[3,2-b]indol-4(5H)-one

https://huagongshe.com/reaction/461641

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPropargyl bromideHCID 7842—
ReactantThiopyrano[3,2-b]indol-4(5H)-oneHCID 20326608—
Product5-(Prop-2-yn-1-yl)thiopyrano[3,2-b]indol-4(5H)-oneHCID 20326612—

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 propargyl bromide to give 5.0 g of product, mp 144° C after recrystallization from methylene chloride-ether.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04064123
Source datasetuspto-grants-1977_12
ORD IDord-82e82d5e9106495ca5a52e9ade595308
Source noteuspto-grants-1977_12