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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 126801Generated: October 30, 2026

Acetic Anhydride → 10-Acetoxy-5,5-dimethyl-8-(3-cyclopropyl-2-propyl)-5H-[1]benzopyrano[3,4-d]pyridine

https://huagongshe.com/reaction/126801

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AnhydrideHCID 7918—
Reactant5,5-dimethyl-10-hydroxy-8-(3-cyclopropyl-2-propyl)-5H-[1]benzopyrano[3,4-d]pyridineHCID 20287869—
SolventPyridineHCID 1049—
Product10-Acetoxy-5,5-dimethyl-8-(3-cyclopropyl-2-propyl)-5H-[1]benzopyrano[3,4-d]pyridineHCID 20287867—

Reaction Steps

10-Acetoxy-5,5-dimethyl-8-(3-cyclopropyl-2-propyl)-5H-[1]benzopyrano[3,4-d]pyridine is prepared by reacting 5,5-dimethyl-10-hydroxy-8-(3-cyclopropyl-2-propyl)-5H-[1]benzopyrano[3,4-d]pyridine and acetic anhydride in the presence of pyridine according to the method of Example 12.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04254116
Source datasetuspto-grants-1981_03
ORD IDord-3d551d15ab504b158560132b9fe615cd
Source noteuspto-grants-1981_03