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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 428487Generated: October 27, 2026

Indole-5-carbonitrile → 3-(1,4-Dioxaspiro[4.5]dec-7-EN-8-YL)-1H-indole-5-carbonitrile

https://huagongshe.com/reaction/428487

Reaction equation

Participants

RoleNameHCIDCharge
ReactantIndole-5-carbonitrileHCID 27513—
Reactant3-(1,4-Dioxaspiro[4.5]dec-7-en-8-yl)-1H-indoleHCID 2763857—
Product3-(1,4-Dioxaspiro[4.5]dec-7-EN-8-YL)-1H-indole-5-carbonitrileHCID 1552197250%

Reaction Steps

This compound was prepared in the manner described above for intermediate 1a by replacing indole with 5-cyanoindole (29.98 g, 0.21 mol) to afford 29.32 g (50%) of the title compound as a white solid: mp 158-160° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06313126B1
Source datasetuspto-grants-2001_11
ORD IDord-5f0452df9b7342abbef63a84605d9bbb
Source noteuspto-grants-2001_11