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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1735423Generated: October 27, 2026

Hydrochloric Acid → 6-(1,3-Dihydro-6-hydroxy-7-methyl-3-oxo-4-p-toluenesulfonyloxyisobenzofuran-5-yl)-4-methyl-4-hexenoic acid

https://huagongshe.com/reaction/1735423

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantEthyl AcetateHCID 8857—
ReactantLithium iodideHCID 66321—
ReactantMethyl 4'-TosylmycophenolateHCID 10529011—
Solvent2,4,6-TrimethylpyridineHCID 7953—
Product6-(1,3-Dihydro-6-hydroxy-7-methyl-3-oxo-4-p-toluenesulfonyloxyisobenzofuran-5-yl)-4-methyl-4-hexenoic acidHCID 53661077—

Reaction Steps

A solution of methyl (E) 6-(1,3-dihydro-6-methoxy-7-methyl-3-oxo-4-p-toluenesulfonyloxyisobenzofuran-5-yl)-4-methyl-4-hexenoate (28 g) in 2,4,6-collidine (100 ml) was heated to 65° C. and lithium iodide (50 g) was added. After 3 days the solution was added to ethyl acetate and dilute hydrochloric acid. The organic layer was dried and evaporated to afford (E) 6-(1,3-dihydro-6-hydroxy-7-methyl-3-oxo-4-p-toluenesulfonyloxyisobenzofuran-5-yl)-4-methyl-4-hexenoic acid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05536747
Source datasetuspto-grants-1996_07
ORD IDord-bb95181f3e9c4b2dbd85385f1787c19b
Source noteuspto-grants-1996_07