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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 428489Generated: October 26, 2026

1H-Pyrrolo(2,3-b)pyridine → 3-(1,4-Dioxa-spiro[4,5]dec-7-en-8-yl)-1H-azaindole

https://huagongshe.com/reaction/428489

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1H-Pyrrolo(2,3-b)pyridineHCID 9222—
Reactant3-(1,4-Dioxaspiro[4.5]dec-7-en-8-yl)-1H-indoleHCID 2763857—
Product3-(1,4-Dioxa-spiro[4,5]dec-7-en-8-yl)-1H-azaindoleHCID 1841410168%

Reaction Steps

This compound was prepared in the manner described above for intermediate 1a by replacing indole with 7-azaindole (3.65 g, 31 mmol) in 68% yield (5.42 g) as a white solid: mp 162-165° C.; MS EI m/e 256 (M+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06313126B1
Source datasetuspto-grants-2001_11
ORD IDord-1ffe44d57c79475d86d945db8f5d5ee7
Source noteuspto-grants-2001_11