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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 746661Generated: October 26, 2026

2,3-Dihydroxybutanedioic Acid → (R)-2-(3-(Diisopropylamino)-1-phenylpropyl)-4-methylphenol 2,3-dihydroxysuccinate

https://huagongshe.com/reaction/746661

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,3-Dihydroxybutanedioic AcidHCID 875—
ReactantTolterodineHCID 443879—
Solventtert-Butyl methyl etherHCID 15413—
Product(R)-2-(3-(Diisopropylamino)-1-phenylpropyl)-4-methylphenol 2,3-dihydroxysuccinateHCID 984778671.9%

Reaction Conditions

Temperature40 °C

Reaction Steps

Tolterodine free base (2.0 gm) is dissolved in methyl tert-butyl ether (25 ml), tartaric acid (1.2 gm) is added and the reaction mass is heated to 40° C. Then the contents are cooled to 25° C., maintained for 2 hours at 25° C. to 30° C. and filtered to give 2.1 gm of tolterodine tartrate form III.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07393874B2
Source datasetuspto-grants-2008_07
ORD IDord-f76e4e4203d24c6e953c60140ebe904d
Source noteuspto-grants-2008_07