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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2047090Generated: November 2, 2026

7-Chloro-5-(1,4-dioxaspiro[4.5]decan-8-yl)pyrazolo[1,5-a]pyrimidine → 7-Chloro-5-(1,4-dioxaspiro[4.4]nonan-7-yl)pyrazolo[1,5-a]pyrimidine

https://huagongshe.com/reaction/2047090

Reaction equation

Participants

RoleNameHCIDCharge
Reactant7-Chloro-5-(1,4-dioxaspiro[4.5]decan-8-yl)pyrazolo[1,5-a]pyrimidineHCID 86664781—
ReactantHCID 178515483HCID 178515483—
ReactantHCID 178515484HCID 178515484—
Product7-Chloro-5-(1,4-dioxaspiro[4.4]nonan-7-yl)pyrazolo[1,5-a]pyrimidineHCID 86664783—

Reaction Steps

7-Chloro-5-(1,4-dioxaspiro[4.4]nonan-7-yl)pyrazolo[1,5-a]pyrimidine is synthesized in a manner similar to the synthesis of 7-chloro-5-(1,4-dioxaspiro[4.5]decan-8-yl)pyrazolo[1,5-a]pyrimidine, but with 5-(1,4-dioxaspiro[4.4]nonan-7-yl)pyrazolo[1,5-a]pyrimidin-7-ol substituted for 5-(1,4-dioxaspiro[4.5]decan-8-yl)pyrazolo[1,5-a]pyrimidin-7-ol.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08591943B2
Source datasetuspto-grants-2013_11
ORD IDord-a5e1915446344d4f8dba07951c146221
Source noteuspto-grants-2013_11