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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 918483Generated: November 2, 2026

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

https://huagongshe.com/reaction/918483

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 numberUS03971806
Source datasetuspto-grants-1976_07
ORD IDord-7b657b870f6f49ad89767947a1aa8a8b
Source noteuspto-grants-1976_07